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 ...

PCF2127AT 2Y-Cut

PCF2127AT 2Y

1+	3.52941
10+	3.17255
100+	2.59922
500+	2.21269
1000+	1.86612

Increments of 1

Leadtime
2-3 weeks

SRL-XW-U20

IC RTC CLK CAL I2C SPI 20-SOIC

Cut Tape CT

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

20-SOIC 0.295 , 7.50mm Width

20-SO

M41ST84YMQ6E

5P-TEV-R7

IC RTC CLK CALENDAR I2C 16-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

16-SOIC 0.154 , 3.90mm Width

16-SO

R39QF-LU2-8SJ

46-V3-UW

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

X1288V14-4.5A

Leadtime
2-3 weeks

H7-HX-I7

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

0°C ~ 70°C

Surface Mount

14-TSSOP 0.173 , 4.40mm Width

14-TSSOP

2K5PP-XNRS-6I

1+	9.90196
10+	9.40686
25+	8.68627
50+	8.25196
100+	7.46078

Increments of 1

Leadtime
2-3 weeks

0TMP-8DDB-1K

IC RTC CLK CALENDAR PAR 24-SOIC

Tube

Active

Clock Calendar

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

2KB

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

Surface Mount

24-SOIC 0.295 , 7.50mm Width

24-SOIC

DS1670E+

1+	9.17647
10+	8.71765
25+	8.04902
50+	7.64647
100+	6.92157

Increments of 1

20XLY-SX-YT

IC RTC SYSTEM CTRLR SER 20-TSSOP

Tube

Active

Portable System Controller

Alarm, Leap Year, Watchdog Timer

HH:MM:SS 12 24 hr

YY-MM-DD-dd

3-Wire Serial

2.97 V ~ 3.63 V

2.5 V ~ 3.7 V

100µA @ 3.3V

0°C ~ 70°C

Surface Mount

20-TSSOP 0.173 , 4.40mm Width

20-TSSOP

63C-WHO-RA

250+	5.48333
500+	4.99951
750+	4.61246
1250+	4.35441

Increments of 250

Leadtime
2-3 weeks

OO4V-0WG-5ZR

IC RTC CLK CALENDAR I2C 12-VSOJ

Tape & Reel TR

Active

Clock Calendar

Alarm

YY-MM-DD

I²C, 2-Wire Serial

1.6 V ~ 5.5 V

2.1µA ~ 3.4µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

12-TFSOJ 0.094 , 2.40mm Width

12-VSOJ

DS14285S T&R

Leadtime
2-3 weeks

O08Z-7VNB-XFV

IC RTC CLK CALENDAR PAR 24-SOIC

Tape & Reel TR

Obsolete

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 ~ 3.6 V

0.5µA @ 4.5V ~ 5.5V

0°C ~ 70°C

Surface Mount

24-SOIC 0.295 , 7.50mm Width

24-SOIC

RTC-72423A3: PURE SN

250+

5.83333

Increments of 250

Leadtime
2-3 weeks

SC-J6-2I4

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

WP9-8H4-U5G

1+	4.98039
10+	4.44314
25+	3.99882
100+	3.64333

Increments of 1

Leadtime
2-3 weeks

S55A5-N9SI-Z6

IC RTC CLK CALENDAR SPI 22-SON

Cut Tape CT

Active

Clock Calendar

Alarm, Leap Year, SRAM

128b 16 x 8

HH:MM:SS 24 hr

YY-MM-DD-dd

SPI

1.6 V ~ 5.5 V

0.8µA ~ 1.2µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

22-SMD 20 leads Flat Leads

22-SON

PCF85263ATT1 AJ-Cut

PCF85263ATT1 AJ

1+	1
10+	0.894118
100+	0.696765
500+	0.575588
1000+	0.454412

Increments of 1

Leadtime
2-3 weeks

HHDEI-7N-KY

IC RTC CLK CALENDAR I2C 10TSSOP

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-TFSOP, 10-MSOP 0.118 , 3.00mm Width

10-TSSOP

ISL1218IBZ-T

2500+

1.48647

Increments of 2500

Leadtime
2-3 weeks

RD5XU-7NUT-7Q

IC RTC CLK CALENDAR I2C 8-SOIC

Tape & Reel TR

Active

Clock Calendar

Alarm, Leap Year, SRAM

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

4µA ~ 6µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

8-SOIC 0.154 , 3.90mm Width

8-SOIC

Q7-RB-M8

1+	20.5098
10+	19.4843
25+	17.9902
50+	17.0908
100+	15.4608

Increments of 1

2SS55-BL8-8H

IC RTC PHANTOM PAR 20-TSSOP

Tube

Active

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

-40°C ~ 85°C

Surface Mount

20-TSSOP 0.173 , 4.40mm Width

20-TSSOP

15IQ Q8 K2L

200+

2.59804

Increments of 200

Leadtime
2 3 weeks

T0T-NIBX-AQJ

IC RTC CLK CALENDAR I2C 8 UMAX

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

1.3 V ~ 5.5 V

40°C ~ 85°C

Surface Mount

8 TSSOP, 8 MSOP 0.118 , 3.00mm Width

8 uMAX

DS1673E-3 T&R

4BM7H-UL0T-W67

IC RTC SYSTEM CTRLR SER 20-TSSOP

Tape & Reel TR

Obsolete

Portable System Controller

Alarm, Leap Year, Watchdog Timer

HH:MM:SS 12 24 hr

YY-MM-DD-dd

3-Wire Serial

2.7 V ~ 3.3 V

2.5 V ~ 3.7 V

100µA @ 3V

0°C ~ 70°C

Surface Mount

20-TSSOP 0.173 , 4.40mm Width

20-TSSOP

DS1340Z-3+T&R

2500+

1.548

Increments of 2500

Leadtime
2-3 weeks

PFA-YT-MA0

IC RTC CLK CALENDAR I2C 8-SOIC

Tape & Reel TR

Active

Clock Calendar

Leap Year, Trickle-Charger

HH:MM:SS 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7 V ~ 5.5 V

1.3 V ~ 3.7 V

125µA @ 3.3V

-40°C ~ 85°C

Surface Mount

8-SOIC 0.154 , 3.90mm Width

8-SOIC

9HS-TXJ-5DZ

Leadtime
2-3 weeks

GY-MBMJ-3C3

IC RTC CLK CALENDAR PAR 24-SOP

Cut Tape CT

Obsolete

Clock Calendar

Leap Year

HH:MM:SS 12 24 hr

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

1.8µA ~ 3µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

24-SOIC 0.311 , 7.90mm Width

24-SOP

6TAJ-WM-8XV

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

Increments of 1

Leadtime
2-3 weeks

NHC9S-R4-7N

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

NPB5-SXNL-1D

Leadtime
2-3 weeks

GTE-CC-EJI

IC RTC CLK CALENDAR I2C 8-UTDFN

Cut Tape CT

Obsolete

Clock Calendar

Alarm, Leap Year

HH:MM:SS 12 24 hr

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 3.6 V

0.65µA @ 1.8V

-40°C ~ 85°C

Surface Mount

8-UFDFN

LP-Q9T-PH

3EK-0BT7-OX

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

-40°C ~ 85°C

Surface Mount

8-TSSOP 0.173 , 4.40mm Width

8-TSSOP

DS1315S-33+

1+	18.1275
10+	17.2206
25+	15.8922
50+	15.0975
100+	13.6668

Increments of 1

Leadtime
2-3 weeks

ME-YK-BPJ

IC RTC PHANTOM PAR 16-SOIC

Tube

Active

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

Surface Mount

16-SOIC 0.295 , 7.50mm Width

16-SOIC

MCP79401T-I ST

2500+

0.833088

Increments of 2500

Leadtime
2-3 weeks

VQ-RV2U-YL2

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

DS1673E-3+T&R

2500+

4.32

Increments of 2500

6Y1-V0W-QTW

IC RTC SYSTEM CTRLR SER 20-TSSOP

Tape & Reel TR

Active

Portable System Controller

Alarm, Leap Year, Watchdog Timer

HH:MM:SS 12 24 hr

YY-MM-DD-dd

3-Wire Serial

2.7 V ~ 3.3 V

2.5 V ~ 3.7 V

100µA @ 3V

0°C ~ 70°C

Surface Mount

20-TSSOP 0.173 , 4.40mm Width

20-TSSOP

EBXF-UY-HH

250+	2.55737
500+	2.29471
750+	2.07353
1250+	1.93529
2500+	1.83853

Increments of 250

Leadtime
2-3 weeks

NW-H92C-B6G

IC RTC CLK CALENDAR I2C 14-SOP

Tape & Reel TR

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

1337AGDVGI

288+

1.86275

Increments of 288

Leadtime
2-3 weeks

ZHX2-2U-W53

IC RTC CLK CALENDAR I2C 8-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

1.8 V ~ 5.5 V

0.3µA @ 1.3V ~ 1.8V

-40°C ~ 85°C

Surface Mount

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

8-TSSOP

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