SN54LV123A, SN74LV123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS SCLS393O - APRIL 1998 - REVISED OCTOBER 2005 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 VCC 1Rext/Cext 1Cext 1Q 2Q 2CLR 2B 2A 1B 1CLR 1Q 2Q 2Cext 2Rext/Cext 1 16 15 1Rext/Cext 14 1Cext 2 3 13 1Q 12 2Q 4 5 11 2CLR 10 2B 6 7 8 9 SN54LV123A . . . FK PACKAGE (TOP VIEW) 1CLR 1Q NC 2Q 2Cext 4 3 2 1 20 19 18 5 17 6 16 7 15 8 14 9 10 11 12 13 1Cext 1Q NC 2Q 2CLR 2R ext /Cext GND NC 2A 2B 1A 1B 1CLR 1Q 2Q 2Cext 2Rext/Cext GND Operation Retriggerable for Very Long Output Pulses, up to 100% Duty Cycle Overriding Clear Terminates Output Pulse Glitch-Free Power-Up Reset on Outputs Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II ESD Protection Exceeds JESD 22 - 2000-V Human-Body Model (A114-A) - 200-V Machine Model (A115-A) - 1000-V Charged-Device Model (C101) SN74LV123A . . . RGY PACKAGE (TOP VIEW) SN54LV123A . . . J OR W PACKAGE SN74LV123A . . . D, DB, DGV, NS, OR PW PACKAGE (TOP VIEW) VCC D D 2A D D D D 1A D D <0.8 V at VCC = 3.3 V, TA = 25C Typical VOHV (Output VOH Undershoot) >2.3 V at VCC = 3.3 V, TA = 25C Support Mixed-Mode Voltage Operation on All Ports Schmitt-Trigger Circuitry on A, B, and CLR Inputs for Slow Input Transition Rates Edge Triggered From Active-High or Active-Low Gated Logic Inputs GND D D Ioff Supports Partial-Power-Down Mode 1B 1A NC VCC 1R ext /C ext D 2-V to 5.5-V VCC Operation D Max tpd of 11 ns at 5 V D Typical VOLP (Output Ground Bounce) NC - No internal connection description/ordering information The 'LV123A devices are dual retriggerable monostable multivibrators designed for 2-V to 5.5-V VCC operation. These edge-triggered multivibrators feature output pulse-duration control by three methods. In the first method, the A input is low and the B input goes high. In the second method, the B input is high and the A input goes low. In the third method, the A input is low, the B input is high, and the clear (CLR) input goes high. The output pulse duration is programmable by selecting external resistance and capacitance values. The external timing capacitor must be connected between Cext and Rext/Cext (positive) and an external resistor connected between Rext/Cext and VCC. To obtain variable pulse durations, connect an external variable resistance between Rext/Cext and VCC. The output pulse duration also can be reduced by taking CLR low. Pulse triggering occurs at a particular voltage level and is not directly related to the transition time of the input pulse. The A, B, and CLR inputs have Schmitt triggers with sufficient hysteresis to handle slow input transition rates with jitter-free triggering at the outputs. Once triggered, the basic pulse duration can be extended by retriggering the gated low-level-active (A) or high-level-active (B) input. Pulse duration can be reduced by taking CLR low. The input/output timing diagram illustrates pulse control by retriggering the inputs and early clearing. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Copyright (c) 2005, Texas Instruments Incorporated UNLESS OTHERWISE NOTED this document contains PRODUCTION DATA information current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 1 SN54LV123A, SN74LV123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS SCLS393O - APRIL 1998 - REVISED OCTOBER 2005 description/ordering information (continued) During power up, Q outputs are in the low state, and Q outputs are in the high state. The outputs are glitch free, without applying a reset pulse. These devices are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down. Pin assignments for these devices are identical to those of the 'AHC123A and 'AHCT123A devices for interchangeability, when allowed. ORDERING INFORMATION QFN - RGY SN74LV123ARGYR Tube of 40 SN74LV123AD Reel of 2500 SN74LV123ADR SOP - NS Reel of 2000 SN74LV123ANSR 74LV123A SSOP - DB Reel of 2000 SN74LV123ADBR LV123A Tube of 90 SN74LV123APW Reel of 2000 SN74LV123APWR Reel of 250 SN74LV123APWT TVSOP - DGV Reel of 2000 SN74LV123ADGVR LV123A CDIP - J Tube of 25 SNJ54LV123AJ SNJ54LV123AJ CFP - W Tube of 150 SNJ54LV123AW SNJ54LV123AW LCCC - FK Tube of 55 SNJ54LV123AFK SNJ54LV123AFK TSSOP - PW -55C 55 C to 125 125C C LV123A LV123A LV123A Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. FUNCTION TABLE (each multivibrator) INPUTS OUTPUTS CLR A B Q Q L X X L H X L H L H X 2 TOP-SIDE MARKING Reel of 1000 SOIC - D -40C 40 C to 85C 85 C ORDERABLE PART NUMBER PACKAGE TA H X X L H L H H L H These outputs are based on the assumption that the indicated steady-state conditions at the A and B inputs have been set up long enough to complete any pulse started before the setup. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 SN54LV123A, SN74LV123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS SCLS393O - APRIL 1998 - REVISED OCTOBER 2005 logic diagram, each multivibrator (positive logic) Rext/Cext A Cext B Q CLR R Q input/output timing diagram trr A B CLR Rext/Cext Q Q tw tw POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 tw + trr 3 SN54LV123A, SN74LV123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS SCLS393O - APRIL 1998 - REVISED OCTOBER 2005 absolute maximum ratings over operating free-air temperature (unless otherwise noted) Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5 V to 7 V Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5 V to 7 V Voltage range applied to any output in the high-impedance or power-off state, VO (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5 V to 7 V Output voltage range in high or low state, VO (see Notes 1 and 2) . . . . . . . . . . . . . . . . . -0.5 V to VCC + 0.5 V Output voltage range in power-off state, VO (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5 V to 7 V Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 mA Output clamp current, IOK (VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -50 mA Continuous output current, IO (VO = 0 to VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 mA Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA Package thermal impedance, JA (see Note 3): D package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73C/W (see Note 3): DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82C/W (see Note 3): DGV package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120C/W (see Note 3): NS package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64C/W (see Note 3): PW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108C/W (see Note 4): RGY package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39C/W Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65C to 150C Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output current ratings are observed. 2. This value is limited to 5.5 V maximum. 3. The package thermal impedance is calculated in accordance with JESD 51-7. 4. The package thermal impedance is calculated in accordance with JESD 51-5. 4 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 SN54LV123A, SN74LV123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS SCLS393O - APRIL 1998 - REVISED OCTOBER 2005 recommended operating conditions (see Note 5) SN54LV123A VCC Supply voltage VCC = 2 V VIH High level input voltage High-level MIN MAX 2 5.5 1.5 Low level input voltage Low-level VI Input voltage VO Output voltage VCC x 0.7 VCC x 0.7 VCC = 4.5 V to 5.5 V VCC x 0.7 VCC x 0.7 0.5 External timing resistance Cext External timing capacitance t/VCC Power-up ramp rate TA Operating free-air temperature 0.5 VCC x 0.3 VCC x 0.3 VCC = 3 V to 3.6 V VCC x 0.3 VCC x 0.3 VCC x 0.3 5.5 0 5.5 0 VCC 0 V VCC V -50 -50 A -2 -2 VCC = 2.3 V to 2.7 V VCC = 3 V to 3.6 V -6 -6 -12 -12 50 50 VCC = 2.3 V to 2.7 V 2 2 VCC = 3 V to 3.6 V 6 6 12 12 VCC = 2 V 5k 5k VCC 3 V 1k 1k No restriction No restriction 1 -55 V VCC x 0.3 0 VCC = 4.5 V to 5.5 V Rext V V VCC = 2.3 V to 2.7 V VCC = 2 V Low level output current Low-level 5.5 VCC x 0.7 VCC = 4.5 V to 5.5 V IOL 2 UNIT 1.5 VCC x 0.7 VCC = 2 V High level output current High-level MAX VCC = 2.3 V to 2.7 V VCC = 4.5 V to 5.5 V IOH MIN VCC = 3 V to 3.6 V VCC = 2 V VIL SN74LV123A -40 A mA pF 1 125 mA ms/V 85 C NOTE 5: Unused Rext/Cext terminals should be left unconnected. All remaining unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 5 SN54LV123A, SN74LV123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS SCLS393O - APRIL 1998 - REVISED OCTOBER 2005 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) SN54LV123A PARAMETER TEST CONDITIONS VOH VCC Rext/Cext II ICC ICC 2.3 V 2 2 IOH = -6 mA 3V 2.48 2.48 4.5 V 3.8 TYP MAX V 3.8 2 V to 5.5 V 0.1 0.1 IOL = 2 mA 2.3 V 0.4 0.4 IOL = 6 mA 3V 0.44 0.44 4.5 V 0.55 0.55 2 V to 5.5 V 2.5 2.5 1 1 VI = 5 5.5 5 V or GND Quiescent VI = VCC or GND, IO = 0 VI = VCC or GND, Rext/Cext = 0.5 VCC 0 to 5.5 V 1 1 5.5 V 20 20 2.3 V 220 220 3V 280 280 4.5 V 650 650 5.5 V 975 975 VI or VO = 0 to 5.5 V 0 5 3.3 V 1.9 1.9 5V 1.9 1.9 VI = VCC or GND UNIT VCC-0.1 IOL = 50 A A B, A, B and d CLR Ci VCC-0.1 0 Ioff MIN 2 V to 5.5 V VI = 5.5 V or GND Active state (per circuit) SN74LV123A MAX IOH = -2 mA IOL = 12 mA TYP IOH = -50 A IOH = -12 mA VOL MIN V A A A A A pF This test is performed with the terminal in the off-state condition. timing requirements over recommended operating free-air temperature range, VCC = 2.5 V 0.2 V (unless otherwise noted) (see Figure 1) TEST CONDITIONS TA = 25C MIN TYP SN54LV123A MAX MIN MAX SN74LV123A MIN MAX UNIT CLR 6 6.5 6.5 A or B trigger 6 6.5 6.5 94 ns 2 ms tw Pulse duration trr Pulse retrigger time Rext = 1 k Cext = 100 pF Cext = 0.01 mF ns See retriggering data in the application information section. timing requirements over recommended operating free-air temperature range, VCC = 3.3 V 0.3 V (unless otherwise noted) (see Figure 1) TEST CONDITIONS TA = 25C MIN TYP MIN MAX SN74LV123A MIN CLR 5 5 5 A or B trigger 5 5 5 tw Pulse duration trr Pulse retrigger time Rext = 1 k MAX UNIT ns Cext = 100 pF 76 ns Cext = 0.01 mF 1.8 ms See retriggering data in the application information section. PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. 6 SN54LV123A MAX POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 SN54LV123A, SN74LV123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS SCLS393O - APRIL 1998 - REVISED OCTOBER 2005 timing requirements over recommended operating free-air temperature range, VCC = 5 V 0.5 V (unless otherwise noted) (see Figure 1) TEST CONDITIONS TA = 25C MIN TYP SN54LV123A MAX MIN MAX SN74LV123A MIN MAX UNIT CLR 5 5 5 A or B trigger 5 5 5 59 ns 1.5 ms tw Pulse duration trr Pulse retrigger time Rext = 1 k Cext = 100 pF Cext = 0.01 mF ns See retriggering data in the application information section. switching characteristics over recommended operating VCC = 2.5 V 0.2 V (unless otherwise noted) (see Figure 1) PARAMETER tpd tpd FROM (INPUT) TO (OUTPUT) A or B Q or Q CLR Q or Q CLR trigger TEST CONDITIONS TA = 25C MIN temperature SN54LV123A MAX MIN MAX MIN MAX 14.5* 31.4* 1* 37* 1 37 13* 25* 1* 29.5* 1 29.5 Q or Q 15.1* 33.4* 1* 39* 1 39 A or B Q or Q 16.6 36 1 42 1 42 CLR Q or Q 14.7 32.8 1 34.5 1 34.5 CLR trigger Q or Q 17.4 38 1 44 1 44 197 260 CL = 15 pF p CL = 50 pF p Q or Q tw range, SN74LV123A TYP CL = 50 pF, Cext = 28 pF, Rext = 2 k tw free-air 320 UNIT ns ns 320 ns CL = 50 pF, Cext = 0.01 F, Rext = 10 k 90 100 110 90 110 90 110 ms CL = 50 pF, Cext = 0.1 F, Rext = 10 k 0.9 1 1.1 0.9 1.1 0.9 1.1 ms 1 CL = 50 pF % * On products compliant to MIL-PRF-38535, this parameter is not production tested. t = Duration of pulse at Q and Q outputs w t = Output pulse-duration variation (Q and Q) between circuits in same package w PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 7 SN54LV123A, SN74LV123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS SCLS393O - APRIL 1998 - REVISED OCTOBER 2005 switching characteristics over recommended operating VCC = 3.3 V 0.3 V (unless otherwise noted) (see Figure 1) PARAMETER tpd tpd FROM (INPUT) TO (OUTPUT) A or B Q or Q CLR Q or Q CLR trigger free-air TA = 25C TEST CONDITIONS MIN temperature SN54LV123A SN74LV123A TYP MAX MIN MAX MIN MAX 10.2* 20.6* 1* 24* 1 24 9.3* 15.8* 1* 18.5* 1 18.5 Q or Q 10.6* 22.4* 1* 26* 1 26 A or B Q or Q 11.8 24.1 1 27.5 1 27.5 CLR Q or Q 10.5 19.3 1 22 1 22 CLR trigger Q or Q 12.3 25.9 1 29.5 1 29.5 182 240 CL = 15 pF p CL = 50 pF p CL = 50 pF, Cext = 28 pF, Rext = 2 k tw Q or Q tw range, 300 UNIT ns ns 300 ns CL = 50 pF, Cext = 0.01 F, Rext = 10 k 90 100 110 90 110 90 110 ms CL = 50 pF, Cext = 0.1 F, Rext = 10 k 0.9 1 1.1 0.9 1.1 0.9 1.1 ms 1 CL = 50 pF % * On products compliant to MIL-PRF-38535, this parameter is not production tested. t = Duration of pulse at Q and Q outputs w t = Output pulse-duration variation (Q and Q) between circuits in same package w switching characteristics over recommended operating VCC = 5 V 0.5 V (unless otherwise noted) (see Figure 1) PARAMETER tpd tpd FROM (INPUT) TO (OUTPUT) A or B Q or Q CLR Q or Q CLR trigger TA = 25C TEST CONDITIONS MIN SN54LV123A MIN MAX MIN MAX 7.1* 12* 1* 14* 1 14 6.5* 9.4* 1* 11* 1 11 Q or Q 7.4* 12.9* 1* 15* 1 15 A or B Q or Q 8.3 14 1 16 1 16 CLR Q or Q 7.4 11.4 1 13 1 13 CLR trigger Q or Q 8.7 14.9 1 17 1 17 167 200 CL = 15 pF p CL = 50 pF p Q or Q range, SN74LV123A MAX 240 UNIT ns ns 240 ns CL = 50 pF, Cext = 0.01 F, Rext = 10 k 90 100 110 90 110 90 110 ms CL = 50 pF, Cext = 0.1 F, Rext = 10 k 0.9 1 1.1 0.9 1.1 0.9 1.1 ms tw 1 * On products compliant to MIL-PRF-38535, this parameter is not production tested. t = Duration of pulse at Q and Q outputs w t = Output pulse-duration variation (Q and Q) between circuits in same package w PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. 8 temperature TYP CL = 50 pF, Cext = 28 pF, Rext = 2 k tw free-air POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 % SN54LV123A, SN74LV123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS SCLS393O - APRIL 1998 - REVISED OCTOBER 2005 operating characteristics, TA = 25C PARAMETER Cpd TEST CONDITIONS Power dissipation capacitance pF CL = 50 pF, f = 10 MHz VCC TYP 3.3 V 44 5V 49 UNIT pF PARAMETER MEASUREMENT INFORMATION From Output Under Test Test Point tw VCC CL (see Note A) Inputs or Outputs 50% VCC 50% VCC 0V LOAD CIRCUIT VOLTAGE WAVEFORMS PULSE DURATION VCC Input A (see Note B) 50% VCC 0V VCC Input B (see Note B) 50% VCC 50% VCC 0V 50% VCC tPLH 0V tPLH VOH In-Phase Output 50% VCC In-Phase Output VOL VOH 50% VCC VOL tPHL 50% VCC tPHL tPHL Out-of-Phase Output VCC Input CLR (see Note B) Out-of-Phase Output VOH 50% VCC VOL tPLH 50% VCC VOH 50% VCC VOL VOLTAGE WAVEFORMS DELAY TIMES VOLTAGE WAVEFORMS DELAY TIMES NOTES: A. CL includes probe and jig capacitance. B. All input pulses are supplied by generators having the following characteristics: PRR 1 MHz, ZO = 50 , tr + 3 ns, tf + 3 ns. C. The outputs are measured one at a time, with one input transition per measurement. Figure 1. Load Circuit and Voltage Waveforms POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 9 SN54LV123A, SN74LV123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS SCLS393O - APRIL 1998 - REVISED OCTOBER 2005 APPLICATION INFORMATION OUTPUT PULSE DURATION vs EXTERNAL TIMING CAPACITANCE 1.00E+07 VCC = 3 V TA = 25C 1.00E+06 t w - Output Pulse Duration - ns t w - Output Pulse Duration - ns 1.00E+07 OUTPUT PULSE DURATION vs EXTERNAL TIMING CAPACITANCE RT = 1 M 1.00E+05 RT = 100 k 1.00E+04 RT = 10 k 1.00E+03 VCC = 4.5 V TA = 25C 1.00E+06 RT = 1 M 1.00E+05 RT = 100 k 1.00E+04 RT = 10 k 1.00E+03 RT = 1 k 1.00E+02 101 RT = 1 k 102 103 104 105 1.00E+02 101 Figure 2 10 103 104 105 CT - External Timing Capacitance - pF CT - External Timing Capacitance - pF 102 Figure 3 Operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 SN54LV123A, SN74LV123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS SCLS393O - APRIL 1998 - REVISED OCTOBER 2005 APPLICATION INFORMATION 1.00E+09 VCC = 5 V TA = 25C 1.00E+08 RT = 200k t w - Output Pulse Duration - ns 1.00E+07 RT = 150k 1.00E+06 RT = 80k 1.00E+05 RT = 10k 1.00E+04 RT = 5k 1.00E+03 1.00E+02 RT = 1k 1.00E+01 1.00E+00 1 102 10 103 104 105 106 107 CT - External Timing Capacitance - pF Figure 4. Output Pulse Duration vs External Timing Capacitance 14% Variation in Output Pulse Duration 12% 10% tw = 866 ns at: VCC = 5 V RT = 10 k CT = 50 pF TA = 25C VCC = 2.5 V VCC = 3 V VCC = 3.5 V 8% VCC = 4 V 6% VCC = 5 V 4% VCC = 6 V VCC = 7 V 2% 0% -2% -4% -6% -60 -40 -20 0 20 40 60 80 100 120 140 160 180 Temperature - C Figure 5. Variations in Output Pulse Duration vs Temperature Operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 11 SN54LV123A, SN74LV123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS SCLS393O - APRIL 1998 - REVISED OCTOBER 2005 APPLICATION INFORMATION OUTPUT PULSE-DURATION CONSTANT vs SUPPLY VOLTAGE MINIMUM TRIGGER TIME vs VCC CHARACTERISTICS 10.00 1.20 Output Pulse-Duration Constant - K t rr - Minimum Retrigger Time - s RT = 1 k TA = 25C CT = 0.01 F 1.00 CT = 1000 pF 0.10 CT = 100 pF 0.01 0 1 2 3 4 5 1.15 RT = 10 k TA = 25C tW = K x C T x R T 1.10 CT = 1000 pF 1.05 CT = 0.01 F 1.00 0.95 0.90 1.5 6 CT = 0.1 F 2 2.5 3 3.5 4 4.5 5 VCC - Supply Voltage - V VCC - Supply Voltage - V DISTRIBUTION OF UNITS vs OUTPUT PULSE DURATION CT - External Capacitor Value - F For Capacitor Values of 0.001 F or Greater, K = 1.0 (K is Independent of R) 0.0001 TA = 25C VCC = 5 V 0.00001 2.50 3.00 3.50 4.00 4.50 Multiplier Factor - K Relative Frequency of Occurance EXTERNAL CAPACITANCE vs MULTIPLIER FACTOR 1.00 1.50 2.00 VCC = 5 V TA = 25C CT = 50 pF RT = 10 kW Mean = 856 ns Median = 856 ns Std. Dev. = 3.5 ns -3 Std. Dev. +3 Std. Dev. Median 99% of Data Units tw - Output Pulse Duration Figure 8 12 6 Figure 7 Figure 6 0.001 5.5 Figure 9 Operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 SN54LV123A, SN74LV123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS SCLS393O - APRIL 1998 - REVISED OCTOBER 2005 APPLICATION INFORMATION caution in use To prevent malfunctions due to noise, connect a high-frequency capacitor between VCC and GND, and keep the wiring between the external components and Cext and Rext/Cext terminals as short as possible. power-down considerations Large values of Cext can cause problems when powering down the 'LV123A devices because of the amount of energy stored in the capacitor. When a system containing this device is powered down, the capacitor can discharge from VCC through the protection diodes at pin 2 or pin 14. Current through the input protection diodes must be limited to 30 mA; therefore, the turn-off time of the VCC power supply must not be faster than t = VCC x Cext/30 mA. For example, if VCC = 5 V and Cext = 15 pF, the VCC supply must turn off no faster than t = (5 V) x (15 pF)/30 mA = 2.5 ns. Usually, this is not a problem because power supplies are heavily filtered and cannot discharge at this rate. When a more rapid decrease of VCC to zero occurs, the 'LV123A devices can sustain damage. To avoid this possibility, use external clamping diodes. output pulse duration The output pulse duration, tw, is determined primarily by the values of the external capacitance (CT) and timing resistance (RT). The timing components are connected as shown in Figure 10. VCC RT CT To Rext/Cext Terminal To Cext Terminal Figure 10. Timing-Component Connections The pulse duration is given by: tw + K RT CT (1) if CT is 1000 pF, K = 1.0 or if CT is <1000 pF, K can be determined from Figure 8 where: tw RT CT K = pulse duration in ns = external timing resistance in k = external capacitance in pF = multiplier factor Equation 1 and Figure 3 can be used to determine values for pulse duration, external resistance, and external capacitance. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 13 SN54LV123A, SN74LV123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS SCLS393O - APRIL 1998 - REVISED OCTOBER 2005 APPLICATION INFORMATION retriggering data The minimum input retriggering time (tMIR) is the minimum time required after the initial signal before retriggering the input. After tMIR, the device retriggers the output. Experimentally, it also can be shown that to retrigger the output pulse, the two adjacent input signals should be tMIR apart, where tMIR = 0.30 x tw. The retrigger pulse duration is calculated as shown in Figure 11. tMIR Input tRT = tw + tPLH = (K x RT x CT) + tPLH tRT tw tPLH Output Where: tMIR = Minimum Input Retriggering Time tPLH = Propagation Delay tRT = Retrigger Time tw = Output Pulse Duration Before Retriggering Figure 11. Retrigger Pulse Duration The minimum value from the end of the input pulse to the beginning of the retriggered output should be approximately 15 ns to ensure a retriggered output (see Figure 12). Input tMRT Output tMRT = Minimum Time Between the End of the Second Input Pulse and the Beginning of the Retriggered Output tMRT = 15 ns Figure 12. Input/Output Requirements 14 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 PACKAGE OPTION ADDENDUM www.ti.com 22-Dec-2009 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty SN74LV123AD ACTIVE SOIC D 16 SN74LV123ADBR ACTIVE SSOP DB SN74LV123ADBRE4 ACTIVE SSOP SN74LV123ADBRG4 ACTIVE SN74LV123ADE4 40 Lead/Ball Finish MSL Peak Temp (3) Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM DB 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SSOP DB 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM ACTIVE SOIC D 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123ADG4 ACTIVE SOIC D 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123ADGVR ACTIVE TVSOP DGV 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123ADGVRE4 ACTIVE TVSOP DGV 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123ADGVRG4 ACTIVE TVSOP DGV 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123ADR ACTIVE SOIC D 16 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123ADRE4 ACTIVE SOIC D 16 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123ADRG4 ACTIVE SOIC D 16 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123ANSR ACTIVE SO NS 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123ANSRE4 ACTIVE SO NS 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123ANSRG4 ACTIVE SO NS 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123APW ACTIVE TSSOP PW 16 90 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123APWE4 ACTIVE TSSOP PW 16 90 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123APWG4 ACTIVE TSSOP PW 16 90 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123APWR ACTIVE TSSOP PW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123APWRE4 ACTIVE TSSOP PW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123APWRG4 ACTIVE TSSOP PW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123APWT ACTIVE TSSOP PW 16 250 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123APWTE4 ACTIVE TSSOP PW 16 250 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123APWTG4 ACTIVE TSSOP PW 16 250 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LV123ARGYR ACTIVE VQFN RGY 16 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR Addendum-Page 1 PACKAGE OPTION ADDENDUM www.ti.com 22-Dec-2009 Orderable Device Status (1) Package Type Package Drawing SN74LV123ARGYRG4 ACTIVE VQFN RGY Pins Package Eco Plan (2) Qty 16 3000 Green (RoHS & no Sb/Br) Lead/Ball Finish CU NIPDAU MSL Peak Temp (3) Level-2-260C-1 YEAR (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis. OTHER QUALIFIED VERSIONS OF SN74LV123A : SN74LV123A-Q1 * Automotive: * Enhanced Product: SN74LV123A-EP NOTE: Qualified Version Definitions: - Q100 devices qualified for high-reliability automotive applications targeting zero defects * Automotive * Enhanced Product - Supports Defense, Aerospace and Medical Applications Addendum-Page 2 PACKAGE MATERIALS INFORMATION www.ti.com 14-Jul-2012 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant 6.6 2.5 12.0 16.0 Q1 SN74LV123ADBR SSOP DB 16 2000 330.0 16.4 8.2 SN74LV123ADGVR TVSOP DGV 16 2000 330.0 12.4 6.8 4.0 1.6 8.0 12.0 Q1 SN74LV123ANSR SO NS 16 2000 330.0 16.4 8.2 10.5 2.5 12.0 16.0 Q1 SN74LV123APWR TSSOP PW 16 2000 330.0 12.4 7.0 5.6 1.6 8.0 12.0 Q1 SN74LV123APWR TSSOP PW 16 2000 330.0 12.4 6.9 5.6 1.6 8.0 12.0 Q1 SN74LV123APWRG4 TSSOP PW 16 2000 330.0 12.4 6.9 5.6 1.6 8.0 12.0 Q1 SN74LV123APWT TSSOP PW 16 250 330.0 12.4 6.9 5.6 1.6 8.0 12.0 Q1 SN74LV123ARGYR VQFN RGY 16 3000 330.0 12.4 3.8 4.3 1.5 8.0 12.0 Q1 Pack Materials-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 14-Jul-2012 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) SN74LV123ADBR SSOP DB 16 2000 367.0 367.0 38.0 SN74LV123ADGVR TVSOP DGV 16 2000 367.0 367.0 35.0 SN74LV123ANSR SO NS 16 2000 367.0 367.0 38.0 SN74LV123APWR TSSOP PW 16 2000 364.0 364.0 27.0 SN74LV123APWR TSSOP PW 16 2000 367.0 367.0 35.0 SN74LV123APWRG4 TSSOP PW 16 2000 367.0 367.0 35.0 SN74LV123APWT TSSOP PW 16 250 367.0 367.0 35.0 SN74LV123ARGYR VQFN RGY 16 3000 367.0 367.0 35.0 Pack Materials-Page 2 MECHANICAL DATA MSSO002E - JANUARY 1995 - REVISED DECEMBER 2001 DB (R-PDSO-G**) PLASTIC SMALL-OUTLINE 28 PINS SHOWN 0,38 0,22 0,65 28 0,15 M 15 0,25 0,09 8,20 7,40 5,60 5,00 Gage Plane 1 14 0,25 A 0-8 0,95 0,55 Seating Plane 2,00 MAX 0,10 0,05 MIN PINS ** 14 16 20 24 28 30 38 A MAX 6,50 6,50 7,50 8,50 10,50 10,50 12,90 A MIN 5,90 5,90 6,90 7,90 9,90 9,90 12,30 DIM 4040065 /E 12/01 NOTES: A. B. C. D. All linear dimensions are in millimeters. This drawing is subject to change without notice. Body dimensions do not include mold flash or protrusion not to exceed 0,15. Falls within JEDEC MO-150 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All semiconductor products (also referred to herein as "components") are sold subject to TI's terms and conditions of sale supplied at the time of order acknowledgment. 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