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 ...

DS1344E-3+T&R-Cut

DS1344E-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

O6UAG-J7PM-M2

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

GMSO-LSXS-J51

Leadtime
2-3 weeks

PH-A3L-FOB

IC RTC CLK CALENDAR PAR 28-TSOP

Tape & Reel TR

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

-40°C ~ 85°C

Surface Mount

28-TSSOP 0.465 , 11.80mm Width

28-TSOP

PCF8593T 1,112

Leadtime
2-3 weeks

T3XX-WOI-OJ

IC RTC CLK CALENDAR I2C 8-SOIC

Tube

Clock Calendar

Alarm, NVSRAM

HH:MM:SS:hh 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

2.5 V ~ 6 V

8µA ~ 15µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

8-SOIC 0.154 , 3.90mm Width

8-SO

X1228V14

3EE-U1-B19

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 ~ 5V

0°C ~ 70°C

Surface Mount

14-TSSOP 0.173 , 4.40mm Width

14-TSSOP

KPMYL TAV CFX

1+	1.03922
10+	0.923529
25+	0.834118
100+	0.729804
250+	0.640471

Increments of 1

1Q-YB-K3L

IC RTC CLK CALENDAR I2C 8TSSOP

Cut Tape CT

Active

Clock Calendar

Alarm, Leap Year

HH:MM:SS 12 24 hr

YY MM DD dd

I²C, 2 Wire Serial

1.8 V ~ 5.5 V

1µA ~ 1.35µA @ 3V ~ 5.5V

40°C ~ 85°C

Surface Mount

8 TSSOP 0.173 , 4.40mm Width

8 TSSOP B

X1288V14-2.7A

Leadtime
2-3 weeks

ZMF-T84C-R4K

IC RTC CLK CALENDAR I2C 14-TSSOP

Tube

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

0°C ~ 70°C

Surface Mount

14-TSSOP 0.173 , 4.40mm Width

14-TSSOP

MCP795B21T-I ST

Leadtime
2-3 weeks

KMR1-ZT1X-MM

IC RTC CLK CALENDAR SPI 14-TSSOP

Tape & Reel TR

Obsolete

Clock Calendar

Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer

64B

HH:MM:SS:hh 12 24 hr

YY-MM-DD-dd

SPI

1.8 V ~ 5.5 V

1.3 V ~ 5.5 V

1µA @ 1.8V ~ 5.5V

-40°C ~ 85°C

Surface Mount

14-TSSOP 0.173 , 4.40mm Width

14-TSSOP

DS1500Y

Leadtime
2-3 weeks

S8RAI-NQK0-61X

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

DS1556W-120IND+

22+

44.1845

Increments of 22

8G78-9YML-2D1

IC RTC CLK CALENDAR PAR 32-EDIP

Tube

Active

Clock Calendar

Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K

128KB

HH:MM:SS 24 hr

YY-MM-DD-dd

Parallel

2.97 V ~ 3.63 V

4mA @ 3.3V

-40°C ~ 85°C

Through Hole

32-DIP Module 0.600 , 15.24mm

32-EDIP

ISL12028AIV27Z-T

Leadtime
2-3 weeks

SL-KQ-EK

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

DS1391U-33+

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

Increments of 1

Leadtime
2-3 weeks

DPFRC-F8TH-1C

IC RTC CLK CALENDAR SPI 10-USOP

Tube

Active

Clock Calendar

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

HH:MM:SS:hh 12 24 hr

YY-MM-DD-dd

SPI

2.97 V ~ 5.5 V

1.3 V ~ 5.5 V

175µA @ 2.97V ~ 5.5V

-40°C ~ 85°C

Surface Mount

10-TFSOP, 10-MSOP 0.118 , 3.00mm Width

10-uMAX

BB-E7-36Z

Leadtime
2-3 weeks

S5UTU-SVH1-2Q

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

X1288V14I

Leadtime
2-3 weeks

OVX-57-WR9

IC RTC CLK CALENDAR I2C 14-TSSOP

Tube

Obsolete

Clock Calendar

Alarm, Leap Year, Supervisor, Watchdog Timer

HH:MM:SS:hh 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

-40°C ~ 85°C

Surface Mount

14-TSSOP 0.173 , 4.40mm Width

14-TSSOP

XPKQ-9BVZ-IO

1+	6.92157
10+	6.57549
25+	6.06863
50+	5.76529
100+	5.21569

Increments of 1

Leadtime
2-3 weeks

Y2S9G-PHB-LDM

IC RTC CLK CALENDAR PAR 24-DIP

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

-40°C ~ 85°C

Through Hole

24-DIP 0.600 , 15.24mm

24-PDIP

PCF2127T 2Y

1000+	2.01765
2000+	1.91676
5000+	1.84471

Increments of 1000

Leadtime
2-3 weeks

00S-KD32-V2P

IC RTC CLK CAL I2C SPI 16-SOIC

Tape & Reel TR

Active

Clock Calendar

Alarm, Leap Year, Square Wave Output, SRAM, TCXO Crystal, Watchdog Timer

512B

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 4.2 V

1.5µA @ 3.3V

-40°C ~ 85°C

Surface Mount

16-SOIC 0.295 , 7.50mm Width

16-SO

PCF85263ATL AX-Cut

PCF85263ATL AX

1+	0.911765
10+	0.819608
100+	0.638725
500+	0.527627
1000+	0.416549

Increments of 1

2R0-2N-A9G

IC RTC CLK CALENDAR I2C 10DFN

Cut Tape CT

Active

Clock Calendar

Alarm, Leap Year, Watchdog Timer

HH:MM:SS:hh 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

0.9 V ~ 5.5 V

0.885µA @ 3.3V

-40°C ~ 85°C

Surface Mount

10-XFDFN Exposed Pad

10-DFN 2.6x2.6

RX-8035SA:B0

1000+

1.87647

Increments of 1000

Leadtime
2-3 weeks

0GHT-TYXC-0FR

IC RTC EVENT REC I2C 14-SOP

Tape & Reel TR

Active

Time Event Recorder

Alarm

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

2.4 V ~ 5.5 V

1 V ~ 5.5 V

2.5µA @ 3V

-40°C ~ 85°C

Surface Mount

14-SOIC, Non-Standard

14-SOP

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

LL-1S-JB

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

X1288V14-2.7

Leadtime
2-3 weeks

T8-ZS3-DQ

IC RTC CLK CALENDAR I2C 14-TSSOP

Tube

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

0°C ~ 70°C

Surface Mount

14-TSSOP 0.173 , 4.40mm Width

14-TSSOP

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

J6Q6-JJB6-IZC

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

O2 JJCI NTI

2500+

3.0264

Increments of 2500

Leadtime
2 3 weeks

KNY-VU-7C

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

PT7C43390LE

700+

0.707843

Increments of 700

7TE-UVI-LH

IC RTC CLK CALENDAR I2C TSSOP

Tube

Active

Clock Calendar

Alarm, Leap Year, Square Wave Output

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

1.3 V ~ 5.5 V

0.65µA ~ 0.7µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

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

8-TSSOP

DS1672-3+

250+

1.98384

Increments of 250

Leadtime
2-3 weeks

CT-LR-EEM

IC RTC BINARY CNT I2C 8-DIP

Tube

Active

Binary Counter

Trickle-Charger

Binary

I²C, 2-Wire Serial

2.7 V ~ 3.3 V

1.3 V ~ 3.63 V

500µA @ 3.3V

-40°C ~ 85°C

Through Hole

8-DIP 0.300 , 7.62mm

8-PDIP

V6-QIJ5-6C

Leadtime
2-3 weeks

Y5Z7-N8V-BH

IC RTC PHANTOM PAR 16-DIP

Tube

Phantom Time Chip

Leap Year

HH:MM:SS:hh 12 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.5 V ~ 3.7 V

1.3mA @ 5V

-40°C ~ 85°C

Through Hole

16-DIP 0.300 , 7.62mm

16-PDIP

MCP7940N-E SN

1+	0.803922
25+	0.747451
100+	0.706863

Increments of 1

Leadtime
2-3 weeks

SNT1-8ZD1-YB

IC RTC CLK CALENDAR I2C 8-SOIC

Tube

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

1.3 V ~ 5.5 V

1.2µA @ 3.3V

-40°C ~ 125°C

Surface Mount

8-SOIC 0.154 , 3.90mm Width

8-SOIC

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