74LVC2G34
DUAL BUFFER
74LVC2G34
Document number: DS35165 Rev. 4 - 2 1 of 11
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NEW PRODUCT
Description
The 74LVC2G34 is a dual buffer gate with standard push -
pull outputs. The device is designed for operation with a
power supply range of 1.65V to 5.5V. The inputs are tolerant
to 5.5V allowing this device to be used in a mixed voltage
environment. The device is fully specified for partial power
down applications using IOFF. The IOFF circuitry disables the
output preventing damaging current backflow when the
device is powered down.
The gate performs the positive Boolean function:
AY =
Pin Assignments
Features
Wide Supply Voltage Range from 1.65V to 5.5V
±24mA Output Drive at 3.0V
CMOS low power consumption
IOFF Supports Partial-Power-Down Mode Operation
Inputs accept up to 5.5V
ESD Protection Tested per JESD 22
o Exceeds 200-V Machine Mod el (A11 5-A)
o Exceeds 2000-V Human Body Model (A114-A)
o Exceeds 1000-V Charged Device Model (C101)
Latch-Up Exceeds 100mA per JESD 78, Class II
Range of Package Options
SOT26, SOT363, DFN1410, and DFN1010 Available in
“Green” Molding Compound (no Br, Sb)
Lead Free Finish/ RoHS Com pliant (Note 1)
Applications
Voltage Level Shifting
General Purpose Logic
Power Down Signal Isolation
Wide array of products such as:
o PCs, networking, notebooks, netbooks, PDAs
o Computer peripherals, hard drives, CD/DVD ROM
o TV, DVD, DVR, set top box
o Cell Phones, Personal Navigation / GPS
o MP3 players ,Cameras, Video Recorders
Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
74LVC2G34
DUAL BUFFER
74LVC2G34
Document number: DS35165 Rev. 4 - 2 2 of 11
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© Diodes Incorporated
NEW PRODUCT
Pin Descriptions
Pin Name Pin NO. Description
1A 1 Data Input
GND 2 Ground
2A 3 Data Input
2Y 4 Data Output
VCC 5 Supply Voltage
1Y 6 Data Output
Logic Diagram
161Y
1A
342Y
2A
Function Table
Inputs Output
A Y
H H
L L
74LVC2G34
DUAL BUFFER
74LVC2G34
Document number: DS35165 Rev. 4 - 2 3 of 11
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© Diodes Incorporated
NEW PRODUCT
Absolute Maximum Ratings (Note 2)
Symbol Description Rating Unit
ESD HBM Human Body Model ESD Protection 2 KV
ESD CDM Charged Device Model ESD Protection 1 KV
ESD MM Machine Model ESD Protection 200 V
VCC Supply Voltage Range -0.5 to 6.5 V
VI Input Voltage Range -0.5 to 6.5 V
VO Voltage applied to output in high impedance or IOFF state -0.5 to 6.5 V
VO Voltage applied to output in high or low state. -0.3 to VCC +0.5 V
IIK Input Clamp Current VI<0 -50 mA
IOK Output Clamp Current -50 mA
IO Continuous output current ±50 mA
Continuous current through Vdd or GND ±100 mA
TJ Operating Junction Temperature -40 to 150 °C
TSTG Storage Temperature -65 to 150 °C
Notes: 2. Stresses beyond the absolute maximum may result in immediate failure or reduced reliability. These are stress values and device operation should
be within recommend values.
Recommended Operating Conditions (Note 3)
Symbol Parameter Min Max Unit
VCC Operating Voltage Operating 1.65 5.5 V
Data retention only 1.5 V
VIH High-level Input Voltage
VCC = 1.65V to 1.95V 0.65 X VCC
V
VCC = 2.3V to 2.7V 1.7
VCC = 3V to 3.6V 2
VCC = 4.5V to 5.5V 0.7 X VCC
VIL Low-level input voltage
VCC = 1.65V to 1.95V 0.35 X VCC
V
VCC = 2.3V to 2.7V 0.7
VCC = 3V to 3.6V 0.8
VCC = 4.5V to 5.5V 0.3 X VCC
VI Input Voltage 0 5.5 V
VO Output Voltage 0 VCC V
IOH High-level outp ut current
VCC = 1.65V -4
mA
VCC = 2.3V -8
VCC = 3V -16
-24
VCC = 4.5V -32
IOL Low-level output current
VCC = 1.65V 4
mA
VCC = 2.3V 8
VCC = 3V 16
24
VCC = 4.5V 32
74LVC2G34
DUAL BUFFER
74LVC2G34
Document number: DS35165 Rev. 4 - 2 4 of 11
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© Diodes Incorporated
NEW PRODUCT
Recommended Operating Conditions (cont.) (Note 3)
Symbol Parameter Min Max Unit
Δt/ΔV Input transition rise or fall
rate
VCC = 1.8V ± 0.15V, 2.5V ± 0.2V 20
ns/V
VCC = 3.3V ± 0.3V 10
VCC = 5V ± 0.5V 5
TA Operating free-air
temperature -40 125 ºC
Notes: 3. Unused inputs should be held at VCC or Ground.
Electrical Characteristics
Symbol Parameter Test Conditions VCC 40ºC to 85ºC -40ºC to 125ºC
Min Max Min Max Unit
VOH High Level Output
Voltage
IOH = -100μA 1.65V to 5.5V VCC – 0.1 VCC – 0.1
V
IOH = -4mA 1.65V 1.2 0.95
IOH = -8mA 2.3V 1.9 1.7
IOH = -16mA 3V 2.4 1.9
IOH = -24mA 2.3 2.0
IOH = -32mA 4.5V 3.8 3.4
VOL Low Level Output
Voltage
IOL = 100μA 1.65V to 5.5V 0.1 0.1
V
IOL = 4mA 1.65V 0.45 0.70
IOL = 8mA 2.3V 0.3 0.45
IOL = 16mA 3V 0.4 0.60
IOL = 24mA 0.55 0.80
IOL = 32mA 4.5V 0.55 0.80
II Input Current VI = 5.5 V or GND 0 to 5.5V ± 5 ± 20 μA
IOFF Power Down
Leakage Current VI or VO = 5.5V 0 ± 10 ± 20 μA
ICC Supply Current VI = 5.5V of GND
IO=0 1.65V to 5.5V 10 40 μA
ΔICC Additional Supply
Current Input at VCC –0.6V 3V to 5.5V 500 5000 μA
74LVC2G34
DUAL BUFFER
74LVC2G34
Document number: DS35165 Rev. 4 - 2 5 of 11
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© Diodes Incorporated
NEW PRODUCT
Package Characteristics (All typical values are at VCC = 3.3V, TA = 25°C)
Symbol Parameter Test Conditions VCC Min Typ. Max Unit
CI Input Capacitance VI = VCC – or GND 3.3
3.5 pF
θJA Thermal Resistance
Junction-to-Ambient
SOT26
(Note 4)
204
oC/W
SOT363 371
DFN1410 430
DFN1010 510
θJC Thermal Resistance
Junction-to-Case
SOT26
(Note 4)
52
oC/W
SOT363 143
DFN1410
190
DFN1010
250
Notes: 4. Test condition for SOT26, SOT363, DFN1410 and DFN1010 : Device mounted on FR-4 substrate PC board, 2oz copper, with minimum
recommended pad layout.
74LVC2G34
DUAL BUFFER
74LVC2G34
Document number: DS35165 Rev. 4 - 2 6 of 11
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NEW PRODUCT
Switching Characteristics
TA = -40°C to 85°C, CL = 30 or 50pF (see Figure 1)
Parameter From
(Input) TO
(OUTPUT)
VCC = 1.8V
± 0.15V VCC = 2.5V
± 0.2V VCC = 3.3V
± 0.3V VCC = 5V
± 0.5V Unit
Min Max Min Max Min Max Min Max
tpd A Y 0.5 8.6
0.5 4.4 0.5 4.1
0.5 3.2 ns
TA = -40 °C to 125 °C, CL = 30 or 50pF (see Figure 1)
Parameter From
(Input) TO
(OUTPUT)
VCC = 1.8V
± 0.15V VCC = 2.5V
± 0.2V VCC = 3.3V
± 0.3V VCC = 5V
± 0.5V Unit
Min Max Min Max Min Max Min Max
tpd A Y 0.5 10.8
0.5 5.5 0.5 5.1
0.5 4.0 ns
Operating Characteristics
TA = 25ºC
Parameter Test
Conditions VCC = 1.8V VCC = 2.5V VCC = 3.3V VCC = 5V Unit
Typ. Typ. Typ. Typ.
Cpd Power dissipation
capacitance f = 10 MHz 17 19 20 21 pF
74LVC2G34
DUAL BUFFER
74LVC2G34
Document number: DS35165 Rev. 4 - 2 7 of 11
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NEW PRODUCT
Parameter Measurement Information
VCC Inputs VM CL RL
VI tr/tf
1.8V±0.15V VCC 2ns VCC/2 30 pF 1 K
2.5V±0.2V VCC 2ns VCC/2 30 pF 500
3.3V±0.3V 3 V 2.5ns 1.5 V 50 pF 500
5V±0.5V VCC 2.5ns VCC/2 50 pF 500
Voltage Waveform Pulse Duration
Voltage Waveform Propagation Delay Times
Inverting and Non Inverting Outputs
Figure 1. Load Circuit and Voltage Waveforms
Notes: A. Includes test lead and test apparatus capacitance.
B. All pulses are supplied at pulse repetition rate 10 MHz.
C. Inputs are measured separately one transition per measurement.
D. tPLH and tPHL are the same as tPD.
74LVC2G34
DUAL BUFFER
74LVC2G34
Document number: DS35165 Rev. 4 - 2 8 of 11
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NEW PRODUCT
Ordering Information
Device Package
Code Packaging
(Note 5) 7” Tape and Reel
Quantity Part Number Suffix
74LVC2G34W6-7 W 6 SOT26 3000/Tape & Reel -7
74LVC2G34DW- 7 DW SOT363 3000/Tape & Reel -7
74LVC2G34FW4-7 FW4 DFN1010 5000/Tape & Reel -7
74LVC2G34FZ4-7 FZ4 DFN1410 5000/Tape & Reel -7
Notes: 5. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf
6. The taping orientation is located on our website at http://www.diodes.com/datasheets/ap02007.pdf
Marking Information
(1) SOT26, SOT363
Part Number Package Identification Code
74LVC2G34W6 SOT26 Z7
74LVC2G34DW SOT363 Z7
(2) DFN1010, DFN1410
Part Number Package Identification Code
74LVC2G34FW4 DFN1010 Z7
74LVC2G34FZ4 DFN14010 Z7
74LVC2G34
DUAL BUFFER
74LVC2G34
Document number: DS35165 Rev. 4 - 2 9 of 11
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NEW PRODUCT
Package Outline Dimensions (All Dimensions in mm)
(1) Package Type: SOT26
(2) Package Type: SOT363
C
L
C
L
0.10/0.30
1.15/1.35
2.0/2.2
0.65Bsc.
1.8/2.2
0/0.1 0.9/1.0
1.10Max.
0.1/0.22
"A"
Detail"A" Gauge Plane
0.25/0.40
C
L
C
L
1.9
C
L
6x-0.60
6x-0.42
4x-0.65
0.40/0.45 Land Pattern Recommendation
(unit:mm)
0.25
/
PIN 1
74LVC2G34
DUAL BUFFER
74LVC2G34
Document number: DS35165 Rev. 4 - 2 10 of 11
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© Diodes Incorporated
NEW PRODUCT
Package Outline Dimensions (All Dimensions in mm)
(3) Package Type: DFN1010
Bottom View
Side View
0.40Max.
0/0.05
0.13Typ.
6x-
0.05 C
0.08 C
C
Seating Plan e
A
0.95/1.05
0.95/1.05
0.07Typ.
0.08 C
2x- 0.14/0.20(6x)
0.35Typ.
2X-
B
0.08 C
0.07 CAB
Pin1
Top View
Land Pattern R ecommendation
(unit:mm)
0.35/0.45(6x)
0.15Min.
0.05/0.15
Pin1
0.35Typ.
0.20(6x)
0.45(6x)
0.235
0.15Min.
0.15
(4) Package Type DFN1410
Bottom View
Side View
1.35/1.45
0.95/1.05
0.50Typ.
6x-0.25/0.35
0.40Max.
0.13Typ.
(Pin #1 ID)
0.10 C
0.08 C Seating Plane
A
B
C
0.10 CAB
0.25 A
2X- 0.25 B
2X-
0.10(4x)
6x-
0/0.05
6x-0.15/0.25
0.075¡ Ó0.030
C0.1x45¢X
Top View
(mm)
Land Pattern Recommendation
6x-0.35
0.550
6x-0.25
4x-0.50Typ.
74LVC2G34
DUAL BUFFER
74LVC2G34
Document number: DS35165 Rev. 4 - 2 11 of 11
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© Diodes Incorporated
NEW PRODUCT
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