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 ...

C64-JDS5-SWX

5NW-J70M-KP

IC RTC EVENT REC I2C 8-SOIC

Tube

Obsolete

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

PT7C4337ZEEX

3000+

0.576471

Increments of 3000

4P-PQ3-1O

IC RTC CLK CALENDAR I2C 8TDFN

Tape & Reel TR

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

0.8µA @ 1.3V ~ 1.8V

-40°C ~ 85°C

Surface Mount

8-WFDFN Exposed Pad

8-TDFN 2x3

ISL12029IVZ-T

4UW-U7F-36

IC RTC CLK CALENDAR I2C 14-TSSOP

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

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

G59-X0FD-HU

2500+

1.32

Increments of 2500

Leadtime
2 3 weeks

LY4-MNV0-37

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

DP8570AVX

750+

22.7132

Increments of 750

Leadtime
2-3 weeks

HV-O1KH-1KM

IC RTC TCP PAR 28-PLCC

Tape & Reel TR

Not For New Designs

Timer Clock Peripheral TCP

Alarm, Leap Year

44B

HH:MM:SS:hh 12 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.2 V ~ 5.1 V

1µA @ 5V

-40°C ~ 85°C

Surface Mount

28-LCC J-Lead

28-PLCC 11.51x11.51

JFH-8ZFK-3U

1+	1.2549
10+	1.12647
100+	0.877941
500+	0.725235
1000+	0.572559

Increments of 1

Leadtime
2-3 weeks

NT8WU-OK-ZA

IC RTC CLK CALENDAR I2C 8-SOIC

Cut Tape CT

Active

Clock Calendar

Alarm, Leap Year, Watchdog Timer

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

1.6 V ~ 5.5 V

1.8 V ~ 5.5 V

0.5µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

8-SOIC 0.154 , 3.90mm Width

8-SO

BQ4847YMT

Leadtime
2-3 weeks

G329-BU-NJ

IC RTC CLK CALENDAR PAR 28-DIP

Tube

Obsolete

Clock Calendar

Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer

HH:MM:SS 12 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.3 V ~ 4 V

0°C ~ 70°C

Through Hole

28-DIP Module 0.61 , 15.49mm

28-DIP Module 18.42x38.8

RX-8801SA:UB3 PURE SN-Cut

RX-8801SA:UB3 PURE SN

1+	8.07843
10+	7.27059
25+	6.62431
100+	5.97804

Increments of 1

Leadtime
2-3 weeks

0BQR-LN8-VS

IC RTC CLK CALENDAR I2C 14-SOP

Cut Tape CT

Active

Clock Calendar

Alarm, Leap Year

HH:MM:SS 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

1.6 V ~ 5.5 V

2.8µA ~ 3.4µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

14-SOIC 0.209 , 5.30mm Width

14-SOP

DS1500Y

Leadtime
2-3 weeks

PGZ-C0-SR

IC RTC CLK CALENDAR PAR 32-DIP

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

32-DIP Module 0.600 , 15.24mm

32-EDIP

DS17887-5IND+

28+

26.451

Increments of 28

Leadtime
2-3 weeks

LG-0FS-ALE

IC RTC CLK CALENDAR PAR 24-EDIP

Tube

Active

Clock Calendar

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

8KB

HH:MM:SS 12 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.5 V ~ 3.7 V

3mA @ 4.5V ~ 5.5V

-40°C ~ 85°C

Through Hole

24-DIP Module 0.600 , 15.24mm

24-EDIP

BQ3285LFSS-A1TRG4

2500+

3.0264

Increments of 2500

Leadtime
2-3 weeks

GIPG-1I6-VQJ

IC RTC CLK CALENDAR PAR 24-QSOP

Tape & Reel TR

Last Time Buy

Clock Calendar

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

242B

HH:MM:SS 12 24 hr

YY-MM-DD-dd

Parallel

2.7 V ~ 5.5 V

2.4 V ~ 4 V

100µA @ 3V

0°C ~ 70°C

Surface Mount

24-SSOP 0.154 , 3.90mm Width

24-SSOP QSOP

DS1685EN-3+

1+	6.7451
10+	6.40784
25+	5.92157
50+	5.62549
100+	5.08824

Increments of 1

8OUSG-53-KVA

IC RTC CLK CALENDAR PAR 24-TSSOP

Tube

Active

Clock Calendar

Alarm, NVSRAM, Square Wave Output, Y2K

242B

HH:MM:SS 12 24 hr

YY-MM-DD-dd

Parallel

2.7 V ~ 3.7 V

2.5 V ~ 3.7 V

2mA @ 3V

-40°C ~ 85°C

Surface Mount

24-TSSOP 0.173 , 4.40mm Width

24-TSSOP

1339AC-31SRGI8

1000+

1.92157

Increments of 1000

12B2M-DKOC-XCO

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

M41ST85WMX6TR-Cut

M41ST85WMX6TR

1+	6.14706
10+	5.52255
100+	4.525
500+	3.85208

Increments of 1

Leadtime
2-3 weeks

LS7BL-FTM-K9

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-SOIC 0.295 , 7.50mm Width

28-SOX

X1288S16I-2.7T1

Leadtime
2-3 weeks

BYUZ-9Z-3VZ

IC RTC CLK CALENDAR I2C 16-SOIC

Tape & Reel TR

Obsolete

Clock Calendar

Alarm, Leap Year, Supervisor, Watchdog Timer

HH:MM:SS:hh 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

16-SOIC 0.295 , 7.50mm Width

16-SOIC

5J-UAJ3-Y51

2500+

3.672

Increments of 2500

Leadtime
2 3 weeks

QQ-RFS-2L

IC RTC CLK CALENDAR I2C 8 SOIC

Tape & Reel TR

Active

Clock Calendar

Alarm, Leap Year, Square Wave Output, SRAM

236B

HH:MM:SS 12 24 hr

YY MM DD dd

I²C, 2 Wire Serial

2.3 V ~ 4.5 V

175µA @ 2.3V ~ 4.5V

40°C ~ 85°C

Surface Mount

8 SOIC 0.154 , 3.90mm Width

8 SOIC

DS1248Y-100IND

Leadtime
2-3 weeks

UV5T-TAQT-58

IC RTC PHANTOM PAR 32-DIP

Tube

Obsolete

Phantom Time Chip

NVSRAM

128KB

HH:MM:SS:hh 12 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

7mA @ 3.3V

-40°C ~ 85°C

Through Hole

32-DIP Module 0.600 , 15.24mm

32-EDIP

DS1683S+T&R-Cut

DS1683S+T&R

1+	4.37255
10+	4.12549
25+	3.3
50+	3.1351
100+	2.88755

Increments of 1

Leadtime
2-3 weeks

LL-6ADC-BD1

IC RTC ELAPSED CNT I2C 8-SOIC

Cut Tape CT

Active

Elapsed Time Counter

Alarm, EEPROM

16B

Binary

I²C, 2-Wire Serial

2.5 V ~ 5.5 V

-40°C ~ 85°C

Surface Mount

8-SOIC 0.154 , 3.90mm Width

8-SOIC

DS1338U-18+

1+	3.30392
10+	3.13922
25+	2.90196
50+	2.75686
100+	2.4902

Increments of 1

Leadtime
2-3 weeks

H115-ELM-K1P

IC RTC CLK CALENDAR I2C 8-USOP

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

1.71 V ~ 5.5 V

1.3 V ~ 3.7 V

100µA @ 1.89V

-40°C ~ 85°C

Surface Mount

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

8-uMAX

DS12885Q+

1+	7.64706
10+	7.26471
25+	6.70588
50+	6.37059
100+	5.76471

Increments of 1

8DX1-0H-KZU

IC RTC CLK CALENDAR PAR 28-PLCC

Tube

Active

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

15mA @ 4.5V ~ 5.5V

0°C ~ 70°C

Surface Mount

28-LCC J-Lead

28-PLCC 11.51x11.51

OGH0N-LG-IAV

250+

2.98333

Increments of 250

5Y-7ML-LJO

IC RTC CLK CALENDAR I2C 22-SON

Tube

Active

Clock Calendar

Alarm, Y2K

HH:MM:SS

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

0.7µA ~ 0.8µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

22-SMD 20 leads Flat Leads

22-SON

PCF2123BS 1,512

1+	1.15686
10+	1.02647
25+	0.927451
100+	0.811667
250+	0.712235

Increments of 1

Leadtime
2-3 weeks

BGJAI-5H6B-DEH

IC RTC CLK CALENDAR SPI 16-HVQFN

Tube

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

16-VFQFN Exposed Pad

16-HVQFN 3x3

EJ-4KL-6DT

Leadtime
2-3 weeks

N8-ZXSY-ODT

IC RTC CLK CALENDAR I2C 8-TSSOP

Tube

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

0°C ~ 70°C

Surface Mount

8-TSSOP 0.173 , 4.40mm Width

8-TSSOP

RX-8581SA:B3:ROHS

250+	2.68431
500+	2.40863
750+	2.17647
1250+	2.03137
2500+	1.9298

Increments of 250

86-3U-QH6

IC RTC CLK CALENDAR I2C 14-SOP

Tape & Reel TR

Active

Clock Calendar

Alarm, Leap Year

HH:MM:SS 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

0.8µA ~ 1.2µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

14-SOIC 0.209 , 5.30mm Width

14-SOP

AYYR0 R388 9LR

Leadtime
2 3 weeks

QWF60-MLY3-TZ

IC RTC CLK CALENDAR I2C 16 SOIC

Tube

Obsolete

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

16 SOIC 0.295 , 7.50mm Width

16 SOIC

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