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 ...

EGSGG 2QT 3G

2500+	0.672549
5000+	0.638922
12500+	0.614902

Increments of 2500

Leadtime
2 3 weeks

0M-ZJH-R9

IC RTC CLK CALENDAR I2C 8 SOIC

Tape & Reel TR

Active

Clock Calendar

Alarm, Leap Year, NVSRAM, Square Wave Output

56B

HH:MM:SS 12 24 hr

YY MM DD dd

I²C, 2 Wire Serial

4.5 V ~ 5.5 V

2 V ~ 3.5 V

1.5mA @ 4.5V ~ 5.5V

40°C ~ 85°C

Surface Mount

8 SOIC 0.154 , 3.90mm Width

8 SOIC

DS1673S-5+

1+	9.51961
10+	9.04412
25+	8.35294
50+	7.93529
100+	7.17647

Increments of 1

9V-E2-MPY

IC RTC SYSTEM CTRLR SER 20-SOIC

Tube

Active

Portable System Controller

Alarm, Leap Year, Watchdog Timer

HH:MM:SS 12 24 hr

YY-MM-DD-dd

3-Wire Serial

4.5 V ~ 5.5 V

2.5 V ~ 3.7 V

300µA @ 5V

0°C ~ 70°C

Surface Mount

20-SOIC 0.295 , 7.50mm Width

20-SOIC

QHX8V-5Q9-XH

Leadtime
2-3 weeks

QCJK-1Z-ZWW

IC RTC CLK CALENDAR I2C 8-SOIC

Tape & Reel TR

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

8-SOIC 0.154 , 3.90mm Width

8-SOIC

RA-4565SA:B3 ROHS

8O6H-NFQ-Z88

IC RTC CLK CALENDAR SER 14-SOP

Tape & Reel TR

Automotive, AEC-Q200

Obsolete

Clock Calendar

Alarm, Leap Year

HH:MM:SS 24 hr

YY-MM-DD-dd

4-Wire Serial

1.6 V ~ 5.5 V

1.6µA ~ 2µA @ 3V ~ 5V

-40°C ~ 125°C

Surface Mount

14-SOIC 0.209 , 5.30mm Width

14-SOP

DS1386P-32-120+

Leadtime
2-3 weeks

HELZX-7B-376

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

RA-4565SA:B3 ROHS

Leadtime
2-3 weeks

Y60J-ARI-SU

IC RTC CLK CALENDAR SER 14-SOP

Tape & Reel TR

Automotive, AEC-Q200

Obsolete

Clock Calendar

Alarm, Leap Year

HH:MM:SS 24 hr

YY-MM-DD-dd

4-Wire Serial

1.6 V ~ 5.5 V

1.6µA ~ 2µA @ 3V ~ 5V

-40°C ~ 125°C

Surface Mount

14-SOIC 0.209 , 5.30mm Width

14-SOP

DS1307+

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

Increments of 1

8DY-V7G2-M0W

IC RTC CLK CALENDAR I2C 8-DIP

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

4.5 V ~ 5.5 V

2 V ~ 3.5 V

200µA @ 5V

0°C ~ 70°C

Through Hole

8-DIP 0.300 , 7.62mm

8-PDIP

RX-4045NB:AA3

250+	3.21031
500+	2.88059
750+	2.60294
1250+	2.42941
2500+	2.30794

Increments of 250

Leadtime
2-3 weeks

B281-2BRO-OII

IC RTC CLK CALENDAR SPI 22-SON

Tape & Reel TR

Active

Clock Calendar

Alarm, Leap Year

HH:MM:SS 12 24 hr

YY-MM-DD-dd

SPI

1.7 V ~ 5.5 V

1.2µA ~ 1.8µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

22-LFDFN

22-SON 5x6

M48T18-100PC1

1+	15.9412
10+	14.6529
100+	12.3752
500+	11.0086

Increments of 1

Leadtime
2-3 weeks

L7-69D-O0R

IC RTC CLK CALENDAR PAR 28DIP

Tube

Timekeeper®

Active

Clock Calendar

Leap Year, Watchdog Timer

HH:MM:SS 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

3mA @ 4.5V ~ 5.5V

0°C ~ 70°C

Through Hole

28-DIP Module 0.600 , 15.24mm

28-PCDIP, CAPHAT®

IP4K-SXSJ-43R

Leadtime
2-3 weeks

WM9-TYQP-JOH

IC RTC CLK CALENDAR SPI 28-SOIC

Tape & Reel TR

Obsolete

Clock Calendar

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

44B

HH:MM:SS:hh 24 hr

YY-MM-DD-dd

SPI

2.7 V ~ 3.6 V

2.5 V ~ 3.5 V

1.4mA @ 2.7V ~ 3.6V

-40°C ~ 85°C

Surface Mount

28-SOIC 0.295 , 7.50mm Width

28-SOX

QU5-4PQ6-7H

Leadtime
2-3 weeks

PF-VX20-PTT

IC RTC CLK CALENDAR PAR 24-SOIC

Tube

Clock Calendar

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

4KB

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

0°C ~ 70°C

Surface Mount

24-SOIC 0.295 , 7.50mm Width

24-SOIC

DS12885QN T&R

Leadtime
2-3 weeks

TVWT-NNXO-K3

IC RTC CLK CALENDAR PAR 28-PLCC

Tape & Reel TR

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

Surface Mount

28-LCC J-Lead

28-PLCC 11.51x11.51

DS1286I

Leadtime
2-3 weeks

ONK-L3-Y18

IC RTC CLK CALENDAR PAR 28-EDIP

Tube

Obsolete

Clock Calendar

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

50B

HH:MM:SS:hh 12 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.4 V ~ 3.5 V

7mA @ 5V

-40°C ~ 85°C

Through Hole

28-DIP Module 0.61 , 15.49mm 23 Leads

28-EDIP

MCP79400T-I ST

2500+

0.757353

Increments of 2500

Leadtime
2-3 weeks

NDV-DV-H6

IC RTC CLK CALENDAR I2C 8-TSSOP

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 0.173 , 4.40mm Width

8-TSSOP

EJ-4KL-6DT

Leadtime
2-3 weeks

RSO-14-UY2

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

X1228V14IZ-2.7A

8I-JX-KCY

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

-40°C ~ 85°C

Surface Mount

14-TSSOP 0.173 , 4.40mm Width

14-TSSOP

DS1554P-70IND

Leadtime
2-3 weeks

UANOC-IZZ-4A

IC RTC CLK CALENDAR PAR 34-PCM

Tube

Clock Calendar

Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K

32KB

HH:MM:SS 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

6mA @ 5V

-40°C ~ 85°C

Surface Mount

34-PowerCap™ Module

34-PowerCap Module

DS1500YE

Leadtime
2-3 weeks

FF-EU0F-FK

IC RTC CLK CALENDAR PAR 32-TSOP

Tray

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

Surface Mount

32-LFSOP 0.724 , 18.40mm Width

32-TSOP

DS1337

Leadtime
2-3 weeks

LH4B-48-BFC

IC RTC CLK CALENDAR I2C 8-DIP

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

Through Hole

8-DIP 0.300 , 7.62mm

8-PDIP

PCF85263ATT AJ-Cut

PCF85263ATT AJ

1+	0.970588
10+	0.863725
100+	0.673529
500+	0.556412
1000+	0.439265

Increments of 1

65M-QTT-QT

IC RTC CLK CALENDAR I2C 8TSSOP

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

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

8-TSSOP

PT7C4337UE

700+

0.707843

Increments of 700

88FQ-3S-EG2

IC RTC CLK CALENDAR I2C 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

0.8µA @ 1.3V ~ 1.8V

-40°C ~ 85°C

Surface Mount

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

8-MSOP

X1288S16-4.5AT1

8EBW-LVNG-RZW

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

4.5 V ~ 5.5 V

1.8 V ~ 5.5 V

10µA ~ 20µA @ 2.7V ~ 5V

0°C ~ 70°C

Surface Mount

16-SOIC 0.295 , 7.50mm Width

16-SOIC

BB-LT-WA2

Leadtime
2-3 weeks

N2YCN-YP-9A

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 ~ 5V

-40°C ~ 85°C

Surface Mount

14-SOIC 0.154 , 3.90mm Width

14-SOIC

C64-JDS5-SWX

Leadtime
2-3 weeks

VU4J-X8-RI

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

MCP7940NT-I MNY

3300+

0.727059

Increments of 3300

Leadtime
2-3 weeks

AK-Z5Q-L0Y

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

1.3 V ~ 5.5 V

1.2µA @ 3.3V

-40°C ~ 85°C

Surface Mount

8-WFDFN Exposed Pad

8-TDFN 2x3

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