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 ...

D6NQN-05V-U8

8A7S-NB8-0RU

IC RTC CLK CALENDAR PAR 28-SOIC

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

3 V ~ 3.6 V

2.5 V ~ 3.7 V

4mA @ 3V ~ 3.6V

0°C ~ 70°C

Surface Mount

28-SOIC 0.295 , 7.50mm Width

28-SOIC

1KNDQ-C3-DRZ

288+

2.23087

Increments of 288

Leadtime
2-3 weeks

L2-KCKK-89I

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

PCF2123TS 1,112

Leadtime
2-3 weeks

XJ-GB-4SE

IC RTC CLK CALENDAR SPI 14-TSSOP

Tube

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

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

ENNRE-RJLA-IM

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

RTC-72423B0: PURE SN

1000+

4.63235

Increments of 1000

Leadtime
2-3 weeks

RRMH-3SM-YBL

IC RTC CLK CALENDAR PAR 24-SOP

Tape & Reel TR

Active

Clock Calendar

Leap Year

HH:MM:SS 12 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

5µA ~ 10µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

24-SOIC 0.311 , 7.90mm Width

24-SOP

MCP795B21T-I ST

6M-YXB-EXV

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

DS1337U+

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

Increments of 1

6PS2-2N-RC

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

JUNJ-7VHX-SI

Leadtime
2-3 weeks

GL75-W4QT-B2

IC RTC CLK CALENDAR SER 12-VSOJ

Tape & Reel TR

Obsolete

Clock Calendar

Alarm, Leap Year

HH:MM:SS 24 hr

YY-MM-DD-dd

3-Wire Serial

1.6 V ~ 5.5 V

0.7µA ~ 0.9µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

12-TFSOJ 0.094 , 2.40mm Width

12-VSOJ

RX-8801JE:UA3 ROHS-Cut

RX-8801JE:UA3 ROHS

Leadtime
2-3 weeks

MA-ONE0-SBS

IC RTC CLK CALENDAR I2C 20-VSOJ

Cut Tape CT

Obsolete

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

20-LSSOJ 0.213 , 5.40mm Width

20-VSOJ

PCF8564ACX9 B 1,02

Leadtime
2-3 weeks

ZWWC-90U-3VD

IC RTC CLK CALENDAR I2C DIE

Tape & Reel TR

Obsolete

Clock Calendar

Alarm, Leap Year, Square Wave Output, Watchdog Timer

HH:MM:SS 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

1 V ~ 5.5 V

0.6µA ~ 0.75µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

Die

M3OGM-WA-Q6T

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

Increments of 1

Leadtime
2-3 weeks

LUE2-X6-GN9

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

Q3G-KC-DV

Leadtime
2-3 weeks

X0F-1P6R-G3D

IC RTC CLK CALENDAR I2C 28-SOIC

Tube

Obsolete

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

4.5 V ~ 5.5 V

2.5 V ~ 3.5 V

1mA @ 4.5V ~ 5.5V

-40°C ~ 85°C

Surface Mount

28-SOIC 0.295 , 7.50mm Width

28-SOX

DZ0O9-KGDY-6OF

Leadtime
2-3 weeks

IJ-G0B-7DP

IC RTC PHANTOM PAR 16-DIP

Tube

Phantom Time Chip

Leap Year

HH:MM:SS:hh 12 24 hr

YY-MM-DD-dd

Parallel

3 V ~ 3.6 V

2.5 V ~ 3.7 V

1.1mA @ 3.3V

0°C ~ 70°C

Through Hole

16-DIP 0.300 , 7.62mm

16-PDIP

DS1501YE

Leadtime
2-3 weeks

AB-9IH-GFJ

IC RTC CLK CALENDAR PAR 28-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

28-TSSOP 0.465 , 11.80mm Width

28-TSOP

M48T201V-85MH1F

936+

8.42564

Increments of 936

226

226KK-VR-CQ

IC RTC CLK CALENDAR PAR 44-SOH

Tape & Reel TR

Timekeeper®

Active

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

DS1307Z+T&R-Cut

DS1307Z+T&R

1+	3.20588
10+	3.02549
25+	2.42
50+	2.29902
100+	2.11755

Increments of 1

81GXY-N3ZE-QT7

IC RTC CLK CALENDAR I2C 8-SOIC

Cut Tape CT

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

Surface Mount

8-SOIC 0.154 , 3.90mm Width

8-SOIC

ISL12027IB27Z-T

2500+

2.13843

Increments of 2500

Leadtime
2-3 weeks

IZA7-HZ-XK0

IC RTC CLK CALENDAR I2C 8-SOIC

Tape & Reel TR

Last Time Buy

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

8-SOIC 0.154 , 3.90mm Width

8-SOIC

DS17887-3-IND

Leadtime
2-3 weeks

DQ56Q-QF97-U9

IC RTC CLK CALENDAR PAR 24-EDIP

Tube

Obsolete

Clock Calendar

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

8KB

HH:MM:SS 12 24 hr

YY-MM-DD-dd

Parallel

2.7 V ~ 3.7 V

2.5 V ~ 3.7 V

2mA @ 2.7V ~ 3.7V

-40°C ~ 85°C

Through Hole

24-DIP Module 0.600 , 15.24mm

24-EDIP

RTC-8564JE:B3:ROHS

250+	3.13776
500+	2.81549
750+	2.54412
1250+	2.37451
2500+	2.25578

Increments of 250

Leadtime
2-3 weeks

SR-LB1-RIP

IC RTC CLK CALENDAR I2C 20-VSOJ

Tape & Reel TR

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

20-LSSOJ 0.213 , 5.40mm Width

20-VSOJ

LKB-8L-SD8

1+	7.37255
10+	6.66274
100+	5.51637

Increments of 1

Leadtime
2-3 weeks

QKPDF-M2BN-RO7

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

AB0813-T3

Leadtime
2-3 weeks

KJ3FI-6U-8S

IC RTC CLK CALENDAR SPI 16-QFN

Tape & Reel TR

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

PA SV D3

3000+

1.56

Increments of 3000

39MJ2-G2FE-LA

IC RTC CLK CALENDAR I2C 8 UMAX

Tape & Reel TR

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 ~ 5.5 V

100µA @ 200µA @ 1.89V ~ 5.5V

40°C ~ 85°C

Surface Mount

8 TSSOP, 8 MSOP 0.118 , 3.00mm Width

8 uMAX

KX-T22-RF

Leadtime
2-3 weeks

YZPBZ-YY-SPM

IC RTC CLK CALENDAR SPI 20-TSSOP

Tube

Obsolete

Clock Calendar

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

96B

HH:MM:SS 12 24 hr

YY-MM-DD-dd

SPI

2 V ~ 5.5 V

25.3µA ~ 81µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

20-TSSOP 0.173 , 4.40mm Width

20-TSSOP

PT7C4307WE

600+

0.808431

Increments of 600

Leadtime
2-3 weeks

GS3WZ-Y36V-Y00

IC RTC CLK CALENDAR I2C 8-SOIC

Tube

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

5YY-3KQ-J9K

2500+	0.452941
5000+	0.430294
12500+	0.414118

Increments of 2500

Leadtime
2-3 weeks

ZCM-GTQ5-DL

IC RTC CLK CALENDAR I2C 8TSSOP

Tape & Reel TR

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

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