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 ...

DS1243Y-120+

1+	31.3725
10+	29.8029
25+	27.511
50+	26.1353
100+	23.6501

Increments of 1

3EZU4-0L-4J

IC RTC PHANTOM PAR 28-DIP

Tube

Active

Phantom Time Chip

Leap Year

HH:MM:SS:hh 12 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

7mA @ 3.3V

0°C ~ 70°C

Through Hole

28-DIP Module 0.600 , 15.24mm

28-EDIP

M41T0DS6F

99B3I-YZ4-T0C

IC RTC CLK CALENDAR I2C 8-TSSOP

Tube

Obsolete

Clock Calendar

HH:MM:SS

YY-MM-DD-dd

I²C, 2-Wire Serial

2 V ~ 5.5 V

1.2µA ~ 31µA @ 3V ~ 5.5V

-40°C ~ 85°C

Surface Mount

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

RX-8025SA:AA:ROHS

250+

2.41914

Increments of 250

Leadtime
2-3 weeks

FI-UYIZ-JJ

IC RTC CLK CALENDAR I2C 14-SOP

Tube

Active

Clock Calendar

Alarm, Leap Year

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

1.7 V ~ 5.5 V

1.2µA ~ 1.8µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

14-SOIC 0.209 , 5.30mm Width

14-SOP

CDP68HC68T1M96

Leadtime
2-3 weeks

GQQU6-3T3-RO

IC RTC CLK CALENDAR SPI 20-SOIC

Tape & Reel TR

Obsolete

Clock Calendar

Alarm, Leap Year, Square Wave Output, Watchdog Timer

32B

HH:MM:SS 12 24 hr

YY-MM-DD-dd

SPI

3 V ~ 6 V

2.2 V ~ 6 V

20µA ~ 500µA @ 5V

-40°C ~ 85°C

Surface Mount

20-SOIC 0.295 , 7.50mm Width

20-SOIC

M48T201V-85MH1E

41-RPO-TA1

IC RTC CLK CALENDAR PAR 44-SOH

Tube

Timekeeper®

Obsolete

Clock Calendar

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

HH:MM:SS 24 hr

YY-MM-DD-dd

Parallel

3 V ~ 3.6 V

2mA @ 3V ~ 3.6V

0°C ~ 70°C

Surface Mount

44-BSOP 0.337 , 8.56mm Width requires SNAPHAT

44-SOH

1R7F-QBH-ED

1+	7.37255
10+	6.66274
100+	5.51637

Increments of 1

9NF2Y-5NT-FGM

IC RTC CLK CALENDAR I2C 28-SOIC

Cut Tape CT

Active

Clock Calendar

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

44B

HH:MM:SS:hh 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7 V ~ 3.6 V

2.5 V ~ 3.5 V

0.5mA @ 2.7V ~ 3.6V

-40°C ~ 85°C

Surface Mount

28-SOP 0.350 , 8.89mm Width with SNAPHAT Sockets

28-SOH

M48T02-70PC1

1+	12.4314
10+	11.4265
100+	9.65059
500+	8.58486
1000+	7.87438

Increments of 1

Leadtime
2-3 weeks

P5R5-I37-TDF

IC RTC CLK CALENDAR PAR 24DIP

Tube

Timekeeper®

Active

Clock Calendar

Leap Year

HH:MM:SS 24 hr

YY-MM-DD-dd

Parallel

4.75 V ~ 5.5 V

3mA @ 4.7V ~ 5.5V

0°C ~ 70°C

Through Hole

24-DIP Module 0.600 , 15.24mm

24-PCDIP, CAPHAT®

DS1742-100+

Leadtime
2-3 weeks

O8-SMX-NEF

IC RTC CLK CALENDAR PAR 24-EDIP

Tube

Obsolete

Clock Calendar

Leap Year, NVSRAM, Y2K

2KB

HH:MM:SS 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

3mA @ 5V

0°C ~ 70°C

Through Hole

24-DIP Module 0.600 , 15.24mm

24-EDIP

PRO3D-JG9Y-BI1

Leadtime
2-3 weeks

K8R7Q-U9-TA6

IC RTC CLK CALENDAR I2C 14-SOIC

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-SOIC 0.154 , 3.90mm Width

14-SOIC

AB-RTCMC-32.768KHZ-IBO5-S3-T-Cut

AB-RTCMC-32.768KHZ-IBO5-S3-T

1+	4.7451
10+	4.49608
50+	4.24608
100+	3.99627
500+	3.87135

Increments of 1

Leadtime
2-3 weeks

X1G-1BO4-HQ

IC RTC CLK CALEND I2C 10CLCC ULP

Cut Tape CT

Active

Clock Calendar

Alarm, Square Wave Output, SRAM, Trickle Charge, Watchdog Timer

512B

HH:MM:SS:hh 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

1.5 V ~ 3.6 V

1.4 V ~ 3.6 V

0.29µA ~ 0.33µA @ 1.8V ~ 3V

-40°C ~ 85°C

Surface Mount

Module

BQ4822YMA-70

Leadtime
2-3 weeks

HHY3-AE3-4E

IC RTC CLK CALENDAR PAR 28-DIP

Tray

Obsolete

Clock Calendar

Alarm, Leap Year, Supervisor, Watchdog Timer

HH:MM:SS:hh 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

6mA @ 2.2 V ~ 5.8 V

0°C ~ 70°C

Through Hole

28-DIP Module 0.61 , 15.49mm

28-DIP Module 18.42x37.72

XH6-ZE-W5

288+

2.23087

Increments of 288

Leadtime
2-3 weeks

ZUY44-MJ4H-LIB

IC RTC CLK CALENDAR I2C 8-MSOP

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-TSSOP

M41T81M6F-Cut

M41T81M6F

1+	2.34314
10+	2.10882
100+	1.6949
500+	1.39253
1000+	1.1538

Increments of 1

Leadtime
2-3 weeks

CB-6PC-TM3

IC RTC CLK CALENDAR I2C 8-SOIC

Cut Tape CT

Active

Clock Calendar

Alarm, Leap Year, Square Wave Output, Watchdog Timer

HH:MM:SS:hh 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

2 V ~ 5.5 V

2.5 V ~ 3.5 V

100µA @ 2V ~ 5.5V

-40°C ~ 85°C

Surface Mount

8-SOIC 0.154 , 3.90mm Width

8-SO

GH-V5-3XP

Leadtime
2-3 weeks

AU0-2I3-70K

IC RTC TEMP REC SER 16-SOIC

Tape & Reel TR

Obsolete

Temperature Recorder

Alarm, Leap Year, Unique ID, Y2K

32B

HH:MM:SS 12 24 hr

YY-MM-DD-dd

3-Wire Serial

4 V ~ 5.5 V

2.7 V ~ 4.95 V

0.5µA @ 5V

-40°C ~ 85°C

Surface Mount

16-SOIC 0.295 , 7.50mm Width

16-SOIC

G6HO-PKK9-SH

1+	6.57843
10+	6.25
25+	5.76471
50+	5.47647
100+	4.96078

Increments of 1

Leadtime
2-3 weeks

A5-CS65-UI

IC RTC EVENT REC I2C 8-SOIC

Tube

Active

Time Event Recorder

Alarm, Leap Year, NVSRAM, Y2K

32B

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

4.5 V ~ 5.5 V

2.6 V ~ 3.5 V

-40°C ~ 85°C

Surface Mount

8-SOIC 0.209 , 5.30mm Width

8-SO

M48T86PC1

Leadtime
2-3 weeks

XO8L-3RAT-WR

IC RTC CLK CALENDAR PAR 24-DIP

Tube

Obsolete

Clock Calendar

Alarm, Leap Year, NVSRAM, Square Wave Output

114B

HH:MM:SS 12 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

15mA @ 4.5V ~ 5.5V

0°C ~ 70°C

Through Hole

24-DIP Module 0.600 , 15.24mm

24-PCDIP, CAPHAT®

DS1685EN-5 T&R

3N6RG-E7GB-889

IC RTC CLK CALENDAR PAR 24-TSSOP

Tape & Reel TR

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

Surface Mount

24-TSSOP 0.173 , 4.40mm Width

24-TSSOP

CG1-SNKQ-HD

1000+

1.92157

Increments of 1000

Leadtime
2-3 weeks

OAU6-QML-RED

IC RTC CLK CALENDAR I2C 16-SOIC

Tape & Reel TR

Active

Clock Calendar

Alarm, Leap Year, Square Wave Output, Trickle-Charger

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7 V ~ 5.5 V

1.3 V ~ 3.7 V

200µA @ 3.63V ~ 5.5V

-40°C ~ 85°C

Surface Mount

16-SOIC 0.295 , 7.50mm Width

16-SOIC

GQD-MWQO-EW

1+	0.77451
10+	0.683333
100+	0.523726
500+	0.41402
1000+	0.331216

Increments of 1

Leadtime
2-3 weeks

NPRX-QVE-PF

IC RTC CLK CALENDAR I2C 10-SON

Cut Tape CT

Active

Clock Calendar

Alarm, Leap Year, Square Wave Output

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

0.9 V ~ 5.5 V

0.6µA @ 3.3V

-40°C ~ 85°C

Surface Mount

10-XFDFN Exposed Pad

10-DFN 2.6x2.6

DS1553WP-120+

1+	27.6667
10+	26.2833
25+	24.2549
50+	23.0422
100+	20.8529

Increments of 1

Leadtime
2-3 weeks

SE-OA-OT

IC RTC CLK CALENDAR PAR 34-PCM

Tube

Active

Clock Calendar

Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K

8KB

HH:MM:SS 24 hr

YY-MM-DD-dd

Parallel

2.97 V ~ 3.63 V

2mA @ 3.3V

0°C ~ 70°C

Surface Mount

34-PowerCap™ Module

34-PowerCap Module

BQ4285S-SB2G4

75+

7.43228

Increments of 75

Leadtime
2-3 weeks

AY-8G2V-08

IC RTC CLK CALENDAR PAR 24-SOIC

Tube

Last Time Buy

Clock Calendar

Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output

114B

HH:MM:SS 12 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.5 V ~ 4 V

0°C ~ 70°C

Surface Mount

24-SOIC 0.295 , 7.50mm Width

24-SOIC

5I-36-EXN

1000+

3.37647

Increments of 1000

81J9Y-00XY-QMU

IC RTC CLK CALENDAR I2C 20-SOIC

Tape & Reel TR

Active

Clock Calendar

Alarm, Daylight Savings, Leap Year, SRAM

128B

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

14µA ~ 15µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

20-SOIC 0.295 , 7.50mm Width

20-SOIC

0BX9-EX66-UHM

7OZ8-OJ-YV

IC RTC CLK CALENDAR I2C 8-SOIC

Tape & Reel TR

Obsolete

Clock Calendar

Alarm, Leap Year, Supervisor, Watchdog Timer

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

4.5 V ~ 5.5 V

1.8 V ~ 5.5 V

10µA ~ 20µA @ 2.7V ~ 5V

0°C ~ 70°C

Surface Mount

8-SOIC 0.154 , 3.90mm Width

8-SOIC

DS1318E+T&R-Cut

DS1318E+T&R

1+	3.95098
10+	3.72549
25+	2.98039
50+	2.83333
100+	2.60784

Increments of 1

Leadtime
2-3 weeks

PO-NWAO-TX

IC RTC ELAPSED CNT PAR 24-TSSOP

Cut Tape CT

Active

Elapsed Time Counter

Alarm, Square Wave Output

Binary

Parallel

3 V ~ 3.6 V

1.6 V ~ 3.7 V

150µA @ 3V ~ 3.6V

-40°C ~ 85°C

Surface Mount

24-TSSOP 0.173 , 4.40mm Width

24-TSSOP

DS1343E-3+T&R-Cut

DS1343E-3+T&R

1+	4.52941
10+	4.27549
25+	3.42
50+	3.24902
100+	2.99255

Increments of 1

Leadtime
2-3 weeks

V0C-05N1-D1B

IC RTC CLK CALENDAR SPI 20-TSSOP

Cut Tape CT

Active

Clock Calendar

Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger

96B

HH:MM:SS 12 24 hr

YY-MM-DD-dd

SPI

2.7 V ~ 5.5 V

1.3 V ~ 5.5 V

-40°C ~ 85°C

Surface Mount

20-TSSOP 0.173 , 4.40mm Width

20-TSSOP

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