Clock/Timing - Real Time Clocks

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Manufacturer	Packaging	Series	Part Status	Type	Features	Memory Size	Time Format	Date Format	Interface	Voltage - Supply	Voltage - Supply, Battery	Current - Timekeeping (Max)	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package

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Supplier Part Number

Manufacturer Part Number

Price

Stock

Manufacturer

Description

Packaging

Series

Part Status

Type

Features

Memory Size

Time Format

Date Format

Interface

Voltage - Supply

Voltage - Supply, ...

Current - Timekeeping ...

Operating Temperature ...

Mounting Type

Package / Case

Supplier Device Package ...

DS1305E+T&R-Cut

DS1305E+T&R

1+	4.98039
10+	4.7
25+	3.76
50+	3.57196
100+	3.29

Increments of 1

2BB1K-FHD-0Q0

IC RTC CLK CALENDAR SPI 20-TSSOP

Cut Tape CT

Active

Clock Calendar

Alarm, Leap Year, NVSRAM, Trickle-Charger

96B

HH:MM:SS 12 24 hr

YY-MM-DD-dd

SPI

2 V ~ 5.5 V

25.3µA ~ 81µA @ 2V ~ 5V

0°C ~ 70°C

Surface Mount

20-TSSOP 0.173 , 4.40mm Width

20-TSSOP

AB0813-T3-Cut

AB0813-T3

2Z-IG-5W

IC RTC CLK CALENDAR SPI 16-QFN

Cut Tape CT

Obsolete

Clock Calendar

Alarm, Leap Year, SRAM, Trickle-Charger

64B

HH:MM:SS:hh

YY-MM-DD-dd

SPI

1.7 V ~ 3.6 V

1.5 V ~ 3.6 V

0.17µA ~ 0.22µA @ 1.8V ~ 3V

-40°C ~ 85°C

Surface Mount

16-VFQFN Exposed Pad

16-QFN 3x3

S-35391A-I8T1U-Cut

S-35391A-I8T1U

1+	1.53922
10+	1.36176
25+	1.2298
100+	1.07618
250+	0.944431

Increments of 1

Leadtime
2-3 weeks

RD-RBCU-N5C

IC RTC CLK CALENDAR I2C SNT-8A

Cut Tape CT

Active

Clock Calendar

Alarm, Leap Year

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

1.3 V ~ 5.5 V

14µA ~ 30µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

8-SMD, Flat Lead

SNT-8A

FDWL-PFVX-124

3300+

0.585686

Increments of 3300

Leadtime
2-3 weeks

GEWE-Z08-XV

IC RTC CLK CALENDAR I2C 8-TDFN

Tape & Reel TR

Active

Clock Calendar

Alarm, Leap Year, Square Wave Output, SRAM

64B

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

1µA @ 5.5V

-40°C ~ 85°C

Surface Mount

8-WFDFN Exposed Pad

8-TDFN 2x3

DS1386P-32-120+

Leadtime
2-3 weeks

L3BA0-GXN3-H0

IC RTC CLK CALENDAR PAR 32-PCM

Tube

Obsolete

Clock Calendar

Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer

32KB

HH:MM:SS:hh 12 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

4mA @ 5V

0°C ~ 70°C

Surface Mount

34-PowerCap™ Module

34-PowerCap Module

MCP79400T-I MS

2500+

0.757353

Increments of 2500

3U-FONO-HO1

IC RTC CLK CALENDAR I2C 8-MSOP

Tape & Reel TR

Active

Clock Calendar

Alarm, Leap Year, Square Wave Output, SRAM, Unique ID

64B

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

1.3 V ~ 5.5 V

1.2µA Typ @ 3.3V

-40°C ~ 85°C

Surface Mount

8-TSSOP, 8-MSOP 0.118 , 3.00mm Width

8-MSOP

LP-Q9T-PH

Leadtime
2-3 weeks

XLJU-5Y-BY

IC RTC CLK CALENDAR I2C 8-TSSOP

Tape & Reel TR

Obsolete

Clock Calendar

Alarm, Leap Year

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7 V ~ 5.5 V

1.8 V ~ 5.5 V

10µA ~ 20µA @ 2.7V ~ 5V

-40°C ~ 85°C

Surface Mount

8-TSSOP 0.173 , 4.40mm Width

8-TSSOP

1338-31DVGI

384+

1.62745

Increments of 384

Leadtime
2-3 weeks

GX-DO-D7

IC RTC CLK CALENDAR I2C 8-TSSOP

Tube

Active

Clock Calendar

Leap Year, NVSRAM, Square Wave Output

56B

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

3.3 V ~ 5.5 V

1.3 V ~ 3.7 V

5µA @ 3.63V ~ 5.5V

-40°C ~ 85°C

Surface Mount

8-TSSOP, 8-MSOP 0.118 , 3.00mm Width

8-MSOP

X1228S14IZ-2.7

8ZWQW-CTX0-T1

IC RTC CLK CALENDAR I2C 14SOIC

Tube

Obsolete

Clock Calendar

Alarm, Leap Year, Supervisor, Watchdog Timer

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7 V ~ 5.5 V

1.8 V ~ 5.5 V

10µA ~ 20µA @ 2.7V ~ 5V

-40°C ~ 85°C

Surface Mount

14-SOIC 0.154 , 3.90mm Width

14-SOIC

PXM6-79P0-J9

1+	2.80392
10+	2.51961
100+	2.06471
500+	1.75765
1000+	1.48235

Increments of 1

Leadtime
2-3 weeks

WR5ZH-KFU-LL5

IC RTC CLK CALENDAR I2C 8-MSOP

Tube

Active

Clock Calendar

Alarm, Leap Year, SRAM

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7 V ~ 5.5 V

1.8 V ~ 5.5 V

4µA ~ 6µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

8-TSSOP, 8-MSOP 0.118 , 3.00mm Width

8-MSOP

RX-4571SA:B3 PURE SN

250+	2.2309
500+	2.00176
750+	1.80882
1250+	1.68824
2500+	1.60382

Increments of 250

Leadtime
2-3 weeks

XJWRL-0WCW-2MX

IC RTC CLK CALENDAR SER 14-SOP

Tape & Reel TR

Active

Clock Calendar

Alarm, Leap Year

HH:MM:SS 24 hr

YY-MM-DD-dd

3-Wire Serial

1.6 V ~ 5.5 V

0.95µA ~ 1µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

14-SOIC 0.209 , 5.30mm Width

14-SOP

M41T94MQ6E

Leadtime
2-3 weeks

LXC-7Q-CM

IC RTC CLK CALENDAR SPI 16-SOIC

Tube

Obsolete

Clock Calendar

Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer

44B

HH:MM:SS:hh 24 hr

YY-MM-DD-dd

SPI

2.7 V ~ 5.5 V

2.5 V ~ 3.5 V

1.4mA @ 2.7V ~ 5.5V

-40°C ~ 85°C

Surface Mount

16-SOIC 0.154 , 3.90mm Width

16-SO

30PIO MN HR

1+	1.7549
10+	1.57843
100+	1.26902
500+	1.04263
1000+	0.863892

Increments of 1

Leadtime
2 3 weeks

FMU-Q7UA-93P

IC RTC CLK CALENDAR SPI 14 TSSOP

Cut Tape CT

Active

Clock Calendar

Alarm, Leap Year, Square Wave Output, Watchdog Timer

HH:MM:SS 12 24 hr

YY MM DD dd

SPI

1.6 V ~ 5.5 V

30.3µA @ 2V ~ 5V

40°C ~ 125°C

Surface Mount

14 TSSOP 0.173 , 4.40mm Width

14 TSSOP

4UMC2 SO60 4OM

2500+	1.64294
5000+	1.58118

Increments of 2500

Leadtime
2 3 weeks

VL-X3T-ZH

IC RTC CLK CALENDAR I2C 8 TSSOP

Tape & Reel TR

Active

Clock Calendar

Alarm, Leap Year

HH:MM:SS 12 24 hr

YY MM DD dd

I²C, 2 Wire Serial

2.7 V ~ 5.5 V

1.8 V ~ 5.5 V

10µA ~ 20µA @ 2.7V ~ 5.5V

40°C ~ 85°C

Surface Mount

8 TSSOP 0.173 , 4.40mm Width

8 TSSOP

DS1687-5IND+

1+	16.6176
10+	15.7863
25+	14.5686
50+	13.8402
100+	12.5197

Increments of 1

Leadtime
2-3 weeks

SV5-8ZQ-DX

IC RTC CLK CALENDAR PAR 24-EDIP

Tube

Active

Clock Calendar

Alarm, NVSRAM, Square Wave Output, Y2K

242B

HH:MM:SS 12 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.5 V ~ 3.7 V

3mA @ 5V

-40°C ~ 85°C

Through Hole

24-DIP Module 0.600 , 15.24mm

24-EDIP

DQ7-ME-BM8

1+	2.55882
10+	2.43137
25+	2.2451
50+	2.13294
100+	1.93137

Increments of 1

Leadtime
2-3 weeks

O0F5J-4B-JO

IC RTC CLK CALENDAR I2C 8-USOP

Tube

Active

Clock Calendar

Alarm, Leap Year, Square Wave Output

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

0.6µA @ 1.3V ~ 1.8V

-40°C ~ 85°C

Surface Mount

8-TSSOP, 8-MSOP 0.118 , 3.00mm Width

8-uMAX

1L-5SK-MN2

1+	1.7451
10+	1.57059
100+	1.26255
500+	1.03731
1000+	0.85949

Increments of 1

Leadtime
2-3 weeks

E8-IOF2-95

IC RTC CLK CALENDAR I2C 16-QFN

Cut Tape CT

Timekeeper®

Active

Clock Calendar

Alarm, Leap Year, Watchdog Timer

HH:MM:SS:hh 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

1.3 V ~ 4.4 V

0.7µA ~ 0.95µA @ 1.3V ~ 4.4V

-40°C ~ 85°C

Surface Mount

16-VFQFN Exposed Pad

16-QFN 3x3

WY-80-ENZ

1+	1.33333
10+	1.19118
100+	0.92902
500+	0.767451
1000+	0.605882

Increments of 1

Leadtime
2-3 weeks

VFC09-QP-U8

IC RTC CLK CALENDAR I2C 8-SOIC

Cut Tape CT

Active

Clock Calendar

Alarm, Leap Year, Watchdog Timer

HH:MM:SS 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

0.6µA ~ 0.75µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

8-SOIC 0.154 , 3.90mm Width

8-SO

DS1682S

Leadtime
2-3 weeks

SS3G-6HG-UZ

IC RTC ELAPSED CNT I2C 8-SOIC

Tube

Active

Elapsed Time Counter

Alarm, EEPROM

10B

Binary

I²C, 2-Wire Serial

2.5 V ~ 5.5 V

4µA ~ 15µA @ 3V ~ 5.5V

-40°C ~ 85°C

Surface Mount

8-SOIC 0.154 , 3.90mm Width

8-SOIC

ISL12026AIVZ

960+

2.05059

Increments of 960

Leadtime
2-3 weeks

H75-OKZ-4HI

IC RTC CLK CALENDAR I2C 8-TSSOP

Tube

Active

Clock Calendar

Alarm, Leap Year

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7 V ~ 5.5 V

1.8 V ~ 5.5 V

10µA ~ 20µA @ 2.7V ~ 5.5V

-40°C ~ 85°C

Surface Mount

8-TSSOP 0.173 , 4.40mm Width

8-TSSOP

NFZ4 6HGQ U54

Leadtime
2 3 weeks

CI-2GK-ST

IC RTC CLK CALENDAR I2C 14 TSSOP

Tube

Obsolete

Clock Calendar

Alarm, Leap Year, Supervisor, Watchdog Timer

HH:MM:SS 12 24 hr

YY MM DD dd

I²C, 2 Wire Serial

2.7 V ~ 5.5 V

1.8 V ~ 5.5 V

10µA ~ 20µA @ 2.7V ~ 5.5V

40°C ~ 85°C

Surface Mount

14 TSSOP 0.173 , 4.40mm Width

14 TSSOP

DS1305E T&R

Leadtime
2-3 weeks

NFA-IO-411

IC RTC CLK CALENDAR SPI 20-TSSOP

Tape & Reel TR

Obsolete

Clock Calendar

Alarm, Leap Year, NVSRAM, Trickle-Charger

96B

HH:MM:SS 12 24 hr

YY-MM-DD-dd

SPI

2 V ~ 5.5 V

25.3µA ~ 81µA @ 2V ~ 5V

0°C ~ 70°C

Surface Mount

20-TSSOP 0.173 , 4.40mm Width

20-TSSOP

G59-X0FD-HU

2500+

1.32

Increments of 2500

Leadtime
2 3 weeks

OC-1IG-7J

IC RTC BINARY CNT I2C 8 SOIC

Tape & Reel TR

Active

Binary Counter

Trickle Charger

Binary

I²C, 2 Wire Serial

2.97 V ~ 3.63 V

1.3 V ~ 3.63 V

500µA @ 3.63V

40°C ~ 85°C

Surface Mount

8 SOIC 0.154 , 3.90mm Width

8 SOIC

LTV 4AQ1 I1

2BI-PX2-C0

IC RTC CLK CALENDAR PAR 28 EDIP

Tube

Obsolete

Clock Calendar

Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K

256B

HH:MM:SS 24 hr

YY MM DD dd

Parallel

4.5 V ~ 5.5 V

2.5 V ~ 3.7 V

5mA @ 4.5V ~ 5.5V

0°C ~ 70°C

Through Hole

28 DIP Module 0.600 , 15.24mm

28 EDIP

PCF2123TS 1,118-Cut

PCF2123TS 1,118

1+	1.19608
10+	1.07255
100+	0.836078
500+	0.690706
1000+	0.545294

Increments of 1

1G-SM3D-KC

IC RTC CLK CALENDAR SPI 14-TSSOP

Cut Tape CT

Active

Clock Calendar

Alarm, Leap Year, Square Wave Output, Watchdog Timer

HH:MM:SS 12 24 hr

YY-MM-DD-dd

SPI

1.6 V ~ 5.5 V

0.33µA ~ 0.38µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

14-TSSOP 0.173 , 4.40mm Width

14-TSSOP

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