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 ...

X1226S8

7FZO-PYEP-WWY

IC RTC CLK CALENDAR I2C 8-SOIC

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-SOIC 0.154 , 3.90mm Width

8-SOIC

ISL12029IB27Z

Leadtime
2-3 weeks

G9XA0-XZ-H6G

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

DS1501WZ+T&R

1000+

4.632

Increments of 1000

Leadtime
2-3 weeks

AF1S-78L-33

IC RTC CLK CALENDAR PAR 28-SOIC

Tape & Reel TR

Active

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

B32NU-HV1-P4

2500+

3.672

Increments of 2500

Leadtime
2-3 weeks

XJ7G-1Z-HJ

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

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

VH-D61T-5N

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

M41T00M6F

2500+	1.08
5000+	1.04

Increments of 2500

Leadtime
2-3 weeks

GJHSV-H4-F4

IC RTC CLK CALENDAR I2C 8-SOIC

Tape & Reel TR

Active

Clock Calendar

Leap Year

HH:MM:SS

YY-MM-DD-dd

I²C, 2-Wire Serial

2 V ~ 5.5 V

2.5 V ~ 3.5 V

70µA @ 2V ~ 5.5V

-40°C ~ 85°C

Surface Mount

8-SOIC 0.154 , 3.90mm Width

8-SO

PT7C433833UE

1+	1.46078
10+	1.30196
100+	1.01471
500+	0.838235
1000+	0.661765

Increments of 1

Leadtime
2-3 weeks

AGW5-NSWH-QUJ

IC RTC CLK CALENDAR I2C MSOP

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

2.7 V ~ 5.5 V

1.5 V ~ 3.7 V

125µA @ 2.7V ~ 5.5V

-40°C ~ 85°C

Surface Mount

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

8-MSOP

RX-8025SA:AA3:ROHS-Cut

RX-8025SA:AA3:ROHS

1+	3.9902
10+	3.5598
25+	3.20353
100+	2.91882

Increments of 1

Leadtime
2-3 weeks

SP8-X1UG-PI

IC RTC CLK CALENDAR I2C 14-SOP

Cut Tape CT

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

DS1339U-3+

1+	3.48039
10+	3.30686
25+	3.04902
50+	2.89667
100+	2.62745

Increments of 1

Leadtime
2-3 weeks

TR-DZ9M-IB

IC RTC CLK CALENDAR I2C 8-USOP

Tube

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

150µA @ 3.3V

-40°C ~ 85°C

Surface Mount

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

8-uMAX

PCF8593T 1,118-Cut

PCF8593T 1,118

1+	2.86275
10+	2.57549
100+	2.07049
500+	1.70108
1000+	1.40946

Increments of 1

Leadtime
2-3 weeks

JDU2A-Y9U-RN

IC RTC CLK CALENDAR I2C 8-SOIC

Cut Tape CT

Active

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

EOPV2 9Q9 3T8

1+	3.31373
10+	3.12549
25+	2.5
50+	2.3751
100+	2.18755

Increments of 1

Leadtime
2 3 weeks

AP-0D-58T

IC RTC CLK CALENDAR SPI 10 MSOP

Cut Tape CT

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

DS2415P+T&R

Leadtime
2-3 weeks

FI-P34Q-9F0

IC RTC BINARY CNT SER 6-TSOC

Tape & Reel TR

Binary Counter

Unique ID

Binary

1-Wire® Serial

2.5 V ~ 5.5 V

0.25µA ~ 0.45µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

6-LSOJ 0.148 , 3.76mm Width

6-TSOC

X1205V8T1

Leadtime
2-3 weeks

NJUUX-BJWI-QWX

IC RTC CLK CALENDAR I2C 8-TSSOP

Tape & Reel TR

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

ISL12025IBZ

1+	4.70588
10+	4.22353
100+	3.46029
500+	2.94569
1000+	2.48431

Increments of 1

Leadtime
2-3 weeks

AKA2-5OP-VGB

IC RTC CLK CALENDAR I2C 8-SOIC

Tube

Last Time Buy

Clock Calendar

Alarm, Leap Year, Supervisor, Unique ID, 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

1339C-31SRI

184+

3.63774

Increments of 184

Leadtime
2-3 weeks

M38-UD1-IK

IC RTC CLK CALENDAR I2C 16-SOIC

Tube

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

3.3 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

SNWLD-3C0L-PZ2

Leadtime
2-3 weeks

QI-89-7EZ

IC RTC CLK CALENDAR PAR 32-EDIP

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

Through Hole

32-DIP Module 0.600 , 15.24mm

32-EDIP

M48T37V-10MH6F-Cut

M48T37V-10MH6F

Leadtime
2-3 weeks

K4-ZPQW-M0O

IC RTC CLK CALENDAR PAR 44-SOH

Cut Tape CT

Timekeeper®

Obsolete

Clock Calendar

Alarm, Leap Year, Watchdog Timer

HH:MM:SS 24 hr

YY-MM-DD-dd

Parallel

3 V ~ 3.6 V

2mA @ 3V ~ 3.6V

-40°C ~ 85°C

Surface Mount

44-BSOP 0.337 , 8.56mm Width requires SNAPHAT

44-SOH

3MAOK-ACE-UY

Leadtime
2-3 weeks

A8-QR-7NN

IC RTC CLK CALENDAR I2C 8-SOIC

Tape & Reel TR

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-SOIC 0.154 , 3.90mm Width

8-SOIC

DS1746-70+

1+	40.9118
10+	38.8667
25+	35.8726
50+	34.0788
100+	30.8432

Increments of 1

5VCUK-UXG-RZ7

IC RTC CLK CALENDAR PAR 32-EDIP

Tube

Active

Clock Calendar

Leap Year, NVSRAM, Y2K

128KB

HH:MM:SS 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

4mA @ 5V

0°C ~ 70°C

Through Hole

32-DIP Module 0.600 , 15.24mm

32-EDIP

DS1511Y

Leadtime
2-3 weeks

JPG-UYXG-EMZ

IC RTC CLK CALENDAR PAR 28-EDIP

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

28-DIP Module 0.600 , 15.24mm

28-EDIP

BQ3285LDSS

100+

4.67333

Increments of 100

51CZ-UJGC-2Y

IC RTC CLK CALENDAR PAR 24-QSOP

Tube

Last Time Buy

Clock Calendar

Alarm, Daylight Savings, NVSRAM

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

DS1305EN+T&R

2500+

2.48402

Increments of 2500

2LOH-CI-WFP

IC RTC CLK CALENDAR SPI 20-TSSOP

Tape & Reel TR

Active

Clock Calendar

Alarm, Leap Year, NVSRAM, 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

PT7C4563LEX

2500+

0.54902

Increments of 2500

Leadtime
2-3 weeks

VHJKI-LM6I-ZB5

REAL-TIME CLOCK MODULE I2C BUS

Active

CG1-SNKQ-HD

1000+

1.92157

Increments of 1000

Leadtime
2-3 weeks

KO2-JX8-OAO

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

34LBI-RP7-L3

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

Increments of 1

Leadtime
2 3 weeks

4E-5TTD-PG6

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

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