AB-RTCMC32.768KHZEOA9S3DB - ABRACON

AB-RTCMC-32.768kHz-EOA9-S3

DTCXO Temperature Compensated Real-Time-Clock Module with SPI bus

3.7 x 2.5 x 0.9 mm

Moisture Sensitivity Level: MSL=1

APPLICATIONS:

FEATURES:

STANDARD SPECIFICATIONS:

• RTC module with built-in “Tuning Fork” crystal oscillating at 32.768 kHz

• Factory calibrated, all built-in Temperature Compensation circuitry Time accuracy

Option A & B. See Part Identification on page 7 for details

• Ultra low power consumption: 800nA typ @ VDD = 3.0V / Tamb = 25°C

• Wide clock operating voltage: 1.3 – 5.5V

• Wide interface operating voltage: 1.4 – 5.5V

• Extended operating temperature range: -40°C to +125°C

• SPI serial interface with fast mode SCL clock frequency of 1 MHz

• Provides year, month, day, weekday, hours, minutes and seconds

• Highly versatile alarm and timer functions

• Integrated Low-Voltage Detector, Power-On Reset and Self-Recovery System

• Main Power Supply to Backup Battery switchover circuitry with Trickle Charger

• Programmable CLKOUT pins for peripheral devices (32.768 kHz / 1024 Hz / 32 Hz / 1 Hz)

• Small and compact package size: 3.7 x 2.5 x 0.9 mm. RoHS-compliant and 100% leadfree

RoHS/RoHS II compliant

• Wide range in communication & measuring equipment

• Commercial & Industrial applications

• Automotive electronics applications

• Wireless communications

• PDA and Palm Pilots

• Credit Cards with Security Technology

Absolute Maximum Ratings

Parameters Min.Typ.Max. Units Notes

Supply Voltage (VDD) GND-0.3 +6.0 V >GND / <VDD

Supply Current (IDD; ISS) -50 +50 mA VDD Pin

Input Voltage (VI) GND-0.3 VDD +0.3 V Input Pin

Output Voltage (VO) GND-0.5 VDD +0.5 V CLKOUT/INT

DC Input Current (II) -10 +10 mA

DC Output Current (IO) -10 +10 mA

Total Power Dissipation (PTOT) 300 mW

Operating Temperature Range (TOPR) -40 +125 ºC

Storage Temperature (TSTO) -55 +125 ºC Stored as bare product

Frequency and Time Characteristics

VDD=3.0V; VSS=0V; TAMB=+25°C; fOSC=32.768kHz

Parameters Min.Typ.Max. Units Notes

32.768kHz Oscillator Characteristics

Frequency Accuracy (∆F/F) ±10 ±20 ppm FCLKOUT=32.768kHz;

TAMB=+25°C; VDD=3.0V

Frequency vs Voltage (∆F/V) ±0.5 ±1.0 ppm/V TAMB=+25°C;

VDD=1.4~5.5V

Frequency vs Temperature (∆F/TOPR) -0.035ppm/°C2 (TOPR-TO)2 ±10% ppm TOPR=-40~+125°C;

VDD=3.0V

Turnover Temperature (TO) +20 +25 +30 °C

mpp 3+ 3- )raey tsrif( gnigA TAMB=+25°C

Start-up Time Voltage(VSTART)

Start-up Time (TSTART) 0.5 3 s TAMB=-40 ~ +85°C

1 3 TAMB=-40 ~ +125°C

CLKOUT duty cycle 40 50 60 % FCLKOUT=32.768kHz;

TAMB=+25°C

LLC

ABRACON IS

ISO9001-2015

CERTIFIED

5101 Hidden Creek Ln Spicewood TX 78669

Phone: 512-371-6159 | Fax: 512-351-8858

For terms and conditions of sales, please visit:

www.abracon.com

REVISED: 11.28.2018

AB-RTCMC-32.768kHz-EOA9-S3

3.7 x 2.5 x 0.9 mm

RoHS/RoHS II compliant

DTCXO Temperature Compensated Real-Time-Clock Module with SPI bus

(Continued)

Parameters Min.Typ.Max. Units Notes

Time accuracy, DTCXO Digitally Temperature Compensated

Time Accuracy

Option: A

(∆t/t)

TAMB=+25°C ±1 ±3

ppm

TAMB=0 ~ +50°C ±2 ±4

TAMB=-10 ~ +65°C ±3 ±5

TAMB=-40 ~ +85°C ±4 ±6

TAMB=-40 ~ +125°C ±5 ±8

Time Accuracy

Option: B

(∆t/t)

TAMB=+25°C ±1 ±3

ppm

TAMB=0 ~ +50°C ±3 ±5

TAMB=-10 ~ +65°C ±5 ±10

TAMB=-40 ~ +85°C ±10 ±25

TAMB=-40 ~ +125°C ±15 ±30

Parameters Min.Typ.Max. Units Notes

Supplies

Supply Voltage (VDD) 1.4 5.5 V

Time-keeping mode

I2C bus reduced speed

2.1 5.5 I2C bus full speed

Minimum Supply Voltage Detection

(VLOW1) 1.8 2.1 V TAMB=-40 ~ +125°C

Minimum Supply Voltage Detection

(VLOW2) 1.0 1.4 V TAMB=-40 ~ +125°C

Main Supply to Backup Supply Switchover

Hysteresis (VHYST) 20 mV VDD to VBACK = 3.0V

Supply Current

IDD (VBACK=0V)

IBACK (VDD=0V)

VDD=1.4V

TAMB= -40°C ~ +85°C 0.6 1.5

µA

SPI bus inactive

CLKOUT disabled

VBACK= 0V

VDD= 0V

VDD=1.4V

TAMB= -40°C ~ +125°C 4.6

VDD=3.3V

TAMB= -40°C ~ +85°C 0.8 2.0

VDD=3.3V

TAMB= -40°C ~ +125°C 5.2

VDD=5.0V

TAMB= -40°C ~ +85°C 0.9 2.2

VDD=5.0V

TAMB= -40°C ~ +125°C 5.5

Static Characteristics

VDD=1.4~5.5V; VSS=0V; TAMB=-40°C ~+125°C; fOSC=32.768kHz

LLC

ABRACON IS

ISO9001-2015

CERTIFIED

5101 Hidden Creek Ln Spicewood TX 78669

Phone: 512-371-6159 | Fax: 512-351-8858

For terms and conditions of sales, please visit:

www.abracon.com

REVISED: 11.28.2018

AB-RTCMC-32.768kHz-EOA9-S3

3.7 x 2.5 x 0.9 mm

RoHS/RoHS II compliant

DTCXO Temperature Compensated Real-Time-Clock Module with SPI bus

(Continued)

Parameters Min.Typ.Max. Units Notes

Supply Current

(IDD)

SCL= 200kHz

VDD = 1.4V

TAMB= -40°C ~ +85°C

µA SPI bus active

CLKOUT disabled

SCL= 200kHz

VDD = 1.4V

TAMB= -40°C ~ +125°C

SCL= 1MHz

VDD = 3.3V

TAMB= -40°C ~ +85°C

SCL= 1MHz

VDD = 3.3V

TAMB= -40°C ~ +125°C

SCL= 1MHz

VDD = 5.0V

TAMB= -40°C ~ +85°C

SCL= 1MHz

VDD = 5.0V

TAMB= -40°C ~ +125°C

Current

Consumption

(IDD32K)

VDD=5.0V 2.5 3.4

µA

SPI bus inactive

CLKOUT =32.768kHz

CLOAD =7.5pF

VDD=3.3V 1.5 2.2

VDD=1.4V 1.1 1.6

Input

LOW Level Input Voltage (VIL) 20%* VDD V VDD = 1.4 ~ 5.5VDD

Pins:SCL,SDI,CLKOE,CE

HIGH Level Input Voltage (VIH) 80%* VDD V

Input Leakage

Current (IL)

Tamb=-40 ~+85°C -1 +1 µA VSS>VI<VDD

Tamb=-40 ~+125°C -1.5 +1.5

Input Capacitance (CI Fp 7 )

LLC

ABRACON IS

ISO9001-2015

CERTIFIED

5101 Hidden Creek Ln Spicewood TX 78669

Phone: 512-371-6159 | Fax: 512-351-8858

For terms and conditions of sales, please visit:

www.abracon.com

REVISED: 11.28.2018

AB-RTCMC-32.768kHz-EOA9-S3

DTCXO Temperature Compensated Real-Time-Clock Module with SPI bus

3.7 x 2.5 x 0.9 mm

RoHS/RoHS II compliant

(Continued)

Parameters Min.Typ.Max. Units Notes

Output

HIGH Level

Output Voltage

(VOH)

VDD = 1.4V; IOH = 0.1mA 1.0

VDD = 3.3V; IOH = 1.5mA 2.7

VDD = 5.0V; IOH = 2.0mA 4.5

LOW Level

Output Voltage

(VOL)

VDD = 1.4V; IOL = 0.4mA 0.2

VDD = 3.3V; IOL = 1.5mA 0.25

VDD = 5.0V; IOL = 5.0mA 0.8

HIGH Level

Output Current

(IOH)

VOH = 4.5V/ VDD = 5V 2.0 mA

LOW Level

Output Current

(IOL)

VOL = 0.8V/ VDD = 5V -5.0 mA

Output

Leakage

Current (ILO)

VO = VDD or VSS

TAMB= -40°C ~ +85°C -1 0 +1

µA

VO = VDD or VSS

TAMB= -40°C ~ +125°C -1.5 0 +1.5

Operating Temperature Range

Operating Temperature Range (TOPR) -40 +125 °C

EEPROM Characteristics

Read Voltage

(VRea

) TAMB= -40°C ~ +125°C 1.4 V

Programming

Voltage (VPro

) TAMB= -40°C ~ +125°C 2.2 V

EEPROM

Programming

Time (TProg)

TAMB= -40°C ~ +125°C

1 Byte EEPROM User 35

TAMB= -40°C ~ +125°C

1 Byte EEPROM Control 100

TAMB= -40°C ~ +125°C

2-4 Byte EEPROM Control 135

EEPROM

Write/Erase

Cycles (VHYST)

VDD to VBACK = 3.0V 5000 Cycles

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ABRACON IS

ISO9001-2015

CERTIFIED

5101 Hidden Creek Ln Spicewood TX 78669

Phone: 512-371-6159 | Fax: 512-351-8858

For terms and conditions of sales, please visit:

www.abracon.com

REVISED: 11.28.2018

AB-RTCMC-32.768kHz-EOA9-S3

DTCXO Temperature Compensated Real-Time-Clock Module with SPI bus

3.7 x 2.5 x 0.9 mm

RoHS/RoHS II compliant

(Continued)

Parameters Min.Typ.Max. Units Notes

Trickle Charger

Current Limiting

Resistors

R80K 80

kΩ

VDD = 5.0V

VBACK = 3.0V

TAMB= 25°C

R20k 20

5 k5R

R1.5k 1.5

Thermometer

Precision (TE)

TAMB= -40°C ~ +85°C ±4 °C

TAMB= -40°C ~ +125°C ±6

SPI Interface Dynamic Characteristics

VSS=0V; TAMB=-40°C ~+125°C; All timing values are valid within the operating supply voltage range and references to VIL and

VIH with an input voltage swing from VSS and VDD.

Parameters Symbol Notes

VDD=1.6V VDD=2.4V VDD=3.3V VDD=5.0V

Units

Min. Max. Min. Max. Min. Max. Min. Max.

SCL Clock Frequency fclk (SCL) 0.2 0.6 1.0 1.0 MHz

SCL Time tSCL 5 1.7 1 1 µs

Clock HIGH Time tclk(H) 1500 700 400 400 ns

Clock LOW Time tclk(L) 1500 700 400 400 ns

Rise Time tr For SCL signal 800 800 200 200 ns

Fall Time tf For SCL signal 800 800 200 200 ns

CE Setup Time tsu(CE) 100 100 100 100 ns

CE Hold Time th(CE) 500 300 200 200 ns

CE Recovery Time trec(CE) 400 300 200 200 ns

CE Pulse Width tw(CE) Measured after valid

subaddress is received 0.49 0.49 0.49 0.49 s

Setup Time tsu Setup time for SDI data 20 20 20 20 ns

Hold Time th Hold time for SDI data 500 300 200 200 ns

SDO Read Delay Time td(R)SDO Bus load = 50pF 1300 650 350 350 ns

SDO Disable Time tdis(SDO)

No load value;

bus will be held up by

bus-capacitance;

use RC time constant

with application values

200 100 50 50 ns

Transition Time SDI to

SDO tt(SDI-SDO) Prepare for 0s to avoid

bus conflict 0 0 0 0 ns

LLC

ABRACON IS

ISO9001-2015

CERTIFIED

5101 Hidden Creek Ln Spicewood TX 78669

Phone: 512-371-6159 | Fax: 512-351-8858

For terms and conditions of sales, please visit:

www.abracon.com

REVISED: 11.28.2018

AB-RTCMC-32.768kHz-EOA9-S3

DTCXO Temperature Compensated Real-Time-Clock Module with SPI bus

3.7 x 2.5 x 0.9 mm

RoHS/RoHS II compliant

PART IDENTIFICATION:

Interface Timing Characteristics

AB-RTCMC-32.768 kHz-EOA9-S3-

Table 1. Time accuracy, DTCXO Digitally Temperature Compensated

Parameters Min.Typ.Max. Units

Time Accuracy

Option: A

TAMB=+25°C ±1 ±3

ppm

TAMB=0 ~ +50°C ±2 ±4

TAMB=-10 ~ +65°C ±3 ±5

TAMB=-40 ~ +85°C ±4 ±6

TAMB=-40 ~ +125°C ±5 ±8

Time Accuracy

Option: B

TAMB=+25°C ±1 ±3

ppm

TAMB=0 ~ +50°C ±3 ±5

TAMB=-10 ~ +65°C ±5 ±10

TAMB=-40 ~ +85°C ±10 ±25

TAMB=-40 ~ +125°C ±15 ±30

Packaging

Blank: Bulk

T: 1000pcs/reel

Timing Accuracy

A: see Table 1 below

B: see Table 1 below

Operating Temp.

Range

D: -40 ~ +85°C

H: -40 ~ +125°C

LLC

ABRACON IS

ISO9001-2015

CERTIFIED

5101 Hidden Creek Ln Spicewood TX 78669

Phone: 512-371-6159 | Fax: 512-351-8858

For terms and conditions of sales, please visit:

www.abracon.com

REVISED: 11.28.2018

AB-RTCMC-32.768kHz-EOA9-S3

3.7 x 2.5 x 0.9 mm

RoHS/RoHS II compliant

DTCXO Temperature Compensated Real-Time-Clock Module with SPI bus

Recommended Land Pattern

OUTLINE DIMENSIONS:

Dimensions: mm

PIN DESCRIPTION:

Pin No. Pin Name Function

1 CLKOE CLKOUT enable/disable pin; enable is active HIGH; tie to GND when not using

CLKOUT

2 VDD Positive supply voltage; positive or negative steps in supply voltage may affect oscillator

performance, recommend 10 nF decoupling capacitor close to device

3 CLKOUT Clock Output pin; CLKOUT or INT function can be selected.(Control_1; bit7; Clk/Int)

CLKOUT output push-pull / INT function open-drain requiring pull-up resistor

4 SCL Serial Clock Input pin; may float when CE inactive

5 SDO Serial Data Output pin; push-pull; high-impedance when not driving; can be connected to

SDI for single-wire data line.

6 VSS Ground

7 INT Interrupt output pin; open-drain; active LOW

8 CE Chip Enable input; active HIGH

9 VBACKUP Backup Supply Voltage; tie to GND when not using backup supply voltage

10 SDI Serial Data Input pin; may float when CE inactive

LLC

ABRACON IS

ISO9001-2015

CERTIFIED

5101 Hidden Creek Ln Spicewood TX 78669

Phone: 512-371-6159 | Fax: 512-351-8858

For terms and conditions of sales, please visit:

www.abracon.com

REVISED: 11.28.2018

AB-RTCMC-32.768kHz-EOA9-S3

3.7 x 2.5 x 0.9 mm

RoHS/RoHS II compliant

DTCXO Temperature Compensated Real-Time-Clock Module with SPI bus

BLOCK DIAGRAM:

Maximum Reflow Conditions in accordance with IPC/JEDEC J-STD-020C “Pb-free”

Temperature Conditions Units

Average Ramp-up Rate (TSmax to TP)3°C/second max °C/s

Ramp Down Rate (Tcool)6°C/second max °C/s

Time 25°C to Peak Temperature (T to-peak)8 minutes max m

Preheat

Temperature Min (TSmin)150 °C

Temperature Max (TSmax)200 °C

Time Tsmin to Tsmax (ts) ces 081 ~ 06

Time Above Liquidus

Temperature Liquidus (TL)217 °C

Time above Liquidus (tL)60 ~150 sec

Peak Temperature

Peak Temperature (TP)260 °C

Time within 5°C of Peak Temperature (tP)20 ~ 40 sec

RECOMMENDED REFLOW PROFILE:

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ABRACON IS

ISO9001-2015

CERTIFIED

5101 Hidden Creek Ln Spicewood TX 78669

Phone: 512-371-6159 | Fax: 512-351-8858

For terms and conditions of sales, please visit:

www.abracon.com

REVISED: 11.28.2018

AB-RTCMC-32.768kHz-EOA9-S3

3.7 x 2.5 x 0.9 mm

TAPE & REEL:

T = 1000pcs/reel

Dimension: mm

Dimension : mm

RoHS/RoHS II compliant

DTCXO Temperature Compensated Real-Time-Clock Module with SPI bus

ATTENTION: -

tions. Abracon’s products are not speciﬁcally designed for Military, Aviation, Aerospace, Life-dependent Medical applications or any application requiring high reliability

where component failure could result in loss of life and/or property. For applications requiring high reliability and/or presenting an extreme operating environment,

written consent and authorization from Abracon LLC is required. Please contact Abracon LLC for more information.

LLC

ABRACON IS

ISO9001-2015

CERTIFIED

5101 Hidden Creek Ln Spicewood TX 78669

Phone: 512-371-6159 | Fax: 512-351-8858

For terms and conditions of sales, please visit:

www.abracon.com

REVISED: 11.28.2018