Buy Real Time Clocks Products Online | Future Electronics
text.skipToContent text.skipToNavigation

Free shipping within the continental US over $50. Conditions apply

  1. home
  2. Semiconductors
  3. Real Time Clocks

Real Time Clocks

Results: 315
Download List
Part Details
Part Details Price (USD)
Global Stock
Lead Time
Date Code
Package
Package Style
Date Format
Time Format
Interface
Non-Volatile Memory Size
SRAM Size
Supply Voltage-Nom
Temperature Grade
Operating Temp Range
Storage Temperature Range
Moisture Sensitivity Level
Mounting Feature

Datasheet
3061896 AB0805-T3
Abracon
AB08 Series 1.7 to 3.6 V 32 kHz SMT Crystal Mode Real Time Clock Module - QFN-16
List
Min: 3,000
Mult. of: 3,000
ECAD Model:
More Info Increase Button Decrease Button
Qty
Unit Price
3,000
$0.99
72,000
Ready to Ship!
 26 Weeks 2301 Reel QFN-16 YY:MM:DD HH:MM:SS:hh I2C 256B 1.7V to 3.6V Industrial -40°C to +85°C -55°C to +125°C 1 Surface Mount

Datasheet
4005414 MCP79410T-I/SN
Microchip
MCP79410 Series 5.5 V 400 kHz SMT Battery-Backed I2C Clock/Calendar - MSOP-8
List
Min: 3,300
Mult. of: 3,300
ECAD Model:
Increase Button Decrease Button
Qty
Unit Price
3,300
$0.915
56,100
Ready to Ship!
 4 Weeks 2420 Reel SOIC-8 DW:DM:M:Y HH:MM:SS I2C 1kB 512b 1.8V to 5.5V Industrial -40°C to +85°C -65°C to +150°C Surface Mount

Datasheet
8574543 PCF8563T/F4,118
NXP
PCF8563 Series 1.8 - 5.5 V 250 mA Real-time Clock/Calendar - SOIC-8
List
Min: 2,500
Mult. of: 2,500
ECAD Model:
Increase Button Decrease Button
Qty
Unit Price
2,500
$0.60
5,000
$0.585
37,500
Ready to Ship!
 16 Weeks 2214 Reel SOIC-8 I2C 1.8V to 5.5V Industrial Surface Mount

Datasheet
2831170 PCF2123BS/1,518
NXP
PCF2123 Series 5.5 V 6.25 Mbit 3 Wire SPI Bus Real Time Clock/Calendar - HVQFN16
List
Min: 6,000
Mult. of: 6,000
ECAD Model:
More Info Increase Button Decrease Button
Qty
Unit Price
6,000
$0.575
30,000
Ready to Ship!
 16 Weeks 2405 Reel HVQFN-16 3-Wire SPI 1.1V to 5.5V Industrial Surface Mount

Datasheet
3331253 M41T81SMY6F
STMicroelectronics
SO18 .30 WITH EMBEDDED CRYSTAL
List
Min: 1,000
Mult. of: 1,000
ECAD Model:
Increase Button Decrease Button
Qty
Unit Price
1,000
$2.58
24,000
Ready to Ship!
 24 Weeks 2350 Reel SOX-18 DW:DM:M:Y HH:MM:SS:hh I2C / 2-Wire / Serial 20b 2.7V to 5.5V Industrial -40°C to +85°C -55°C to +125°C Surface Mount

Datasheet
8127124 STWD100YNYWY3F
STMicroelectronics
STWD100 Series 5.5 V Surface Mount Watchdog Timer Circuit - SOT23-5L
List
Min: 3,000
Mult. of: 3,000
ECAD Model:
More Info Increase Button Decrease Button
Qty
Unit Price
3,000
$0.475
6,000
$0.46
21,000
Ready to Ship!
 24 Weeks 2313 Reel SOT-23-5 (SOT-25) -0.3V to +7V -40°C to +125°C -55°C to +150°C 1 Surface Mount

Datasheet
2020872 M41T83SQA6F
STMicroelectronics
M41T83 Series 5.5 V Serial I2C Bus 32 kHz Real-Time Clock - QFN-16 (4x4)
List
Min: 1,000
Mult. of: 1,000
ECAD Model:
Increase Button Decrease Button
Qty
Unit Price
1,000
$1.69
2,000
$1.67
20,000
Ready to Ship!
 24 Weeks 2417 Reel QFN-16 DW:DM:M:Y HH:MM:SS:hh I2C 7B 3V to 5.5V Industrial -40°C to +85°C -55°C to +125°C 1 Surface Mount

Datasheet
2149043 STWD100NYWY3F
STMicroelectronics
STWD100 Series 5.5 V 13 uA Surface Mount Watchdog Timer Circuit - SOT-23-5
List
Min: 3,000
Mult. of: 3,000
ECAD Model:
More Info Increase Button Decrease Button
Qty
Unit Price
3,000
$0.42
6,000
$0.415
9,000
$0.41
18,000
Ready to Ship!
 24 Weeks 2505 Reel SOT-23-5 (SOT-25) -0.3V to +7V -40°C to +125°C -55°C to +150°C 1 Surface Mount

Datasheet
1738897 M41T81SM6F
STMicroelectronics
M41T81S Series 5.5 V I2C / 2-Wire / Serial SMT Real Time Clock - SOIC-8
List
Min: 2,500
Mult. of: 2,500
ECAD Model:
Increase Button Decrease Button
Qty
Unit Price
2,500
$1.28
17,500
Ready to Ship!
 24 Weeks 2350 Reel SOIC-8 DW:DM:M:Y HH:MM:SS:hh I2C / 2-Wire / Serial 20b 2.7V to 5.5V Industrial -40°C to +85°C -55°C to +125°C Surface Mount

Datasheet
6876965 M41T00M6F
STMicroelectronics
M41T00 Series 5.5 V I2C / 2-Wire / Serial Surface Mount Real Time Clock - SOIC-8
List
Min: 2,500
Mult. of: 2,500
ECAD Model:
Increase Button Decrease Button
Qty
Unit Price
2,500
$1.64
15,000
Ready to Ship!
 24 Weeks 2409 Reel SOIC-8 DW:DM:M:Y HH:MM:SS I2C / 2-Wire / Serial 2V to 5.5V Industrial -40°C to +85°C -55°C to +125°C Surface Mount

Datasheet
2152863 STWD100NWWY3F
STMicroelectronics
STWD100 Series 5 V 210 ms Open Drain Watchdog Timer Circuits - SOT-23-5
List
Min: 3,000
Mult. of: 3,000
ECAD Model:
More Info Increase Button Decrease Button
Qty
Unit Price
3,000
$0.395
6,000
$0.39
9,000
$0.385
15,000
Ready to Ship!
 24 Weeks 2420 Reel SOT-23-5 (SOT-25) -0.3V to +7V -40°C to +125°C -55°C to +150°C Surface Mount

Datasheet
9124718 STWD100YNWWY3F
STMicroelectronics
STWD100 Series 5.5 V 13 uA Surface Mount Watchdog Timer Circuit - SOT-23-5
List
Min: 3,000
Mult. of: 3,000
ECAD Model:
More Info Increase Button Decrease Button
Qty
Unit Price
3,000
$0.475
6,000
$0.46
15,000
Ready to Ship!
 24 Weeks 2235 Reel SOT-23-5 (SOT-25) -0.3V to +7V -40°C to +125°C -55°C to +150°C 1 Surface Mount

Datasheet
5040301 PCF8523TK/1,118
NXP
PCF8523 Series 5.5 V 1 Mbps I2C Interface Real Time Clock / Calendar - HVSON-8
List
Min: 6,000
Mult. of: 6,000
ECAD Model:
More Info Increase Button Decrease Button
Qty
Unit Price
6,000
$0.64
12,000
Ready to Ship!
 16 Weeks 2438 Reel HVSON-8 HH:MM:SS I2C 1V to 5.5V Industrial -40°C to +85°C -65°C to +150°C 1 Surface Mount

Datasheet
8909152 M48T35Y-70MH1F
STMicroelectronics
M48T35Y Series 256 Kb (32 K x 8) 5.5 V 70 ns Timekeeper® SRAM - SOH-28
List
Min: 936
Mult. of: 936
ECAD Model:
More Info Increase Button Decrease Button
Qty
Unit Price
936
$13.24
11,232
Ready to Ship!
 24 Weeks 2426 Reel SOH-28 Surface Mount

Datasheet
2002188 STWD100NYWY3F
STMicroelectronics
STWD100 Series 5.5 V 13 uA Surface Mount Watchdog Timer Circuit - SOT-23-5
List
Min: 3,000
Mult. of: 3,000
ECAD Model:
Increase Button Decrease Button
Qty
Unit Price
3,000
$0.42
6,000
$0.415
9,000
$0.41
9,000
Ready to Ship!
 24 Weeks 2439 Reel SOT-23-5 (SOT-25) -0.3V to +7V -40°C to +125°C -55°C to +150°C 1 Surface Mount

Datasheet
8188509 M41T00SM6F
STMicroelectronics
M41T00S Series 5.5 V I2C / 2-Wire / Serial SMT Real Time Clock - SOIC-8
List
Min: 2,500
Mult. of: 2,500
ECAD Model:
More Info Increase Button Decrease Button
Qty
Unit Price
2,500
$1.59
7,500
Ready to Ship!
 24 Weeks 2428 Reel SOIC-8 DW:DM:M:Y HH:MM:SS I2C / 2-Wire / Serial 8b 2V to 5.5V Industrial -40°C to +85°C -55°C to +125°C Surface Mount

Datasheet
9034382 M41T82SM6F
STMicroelectronics
M41T82 Series 3 to 5.5 V Battery Switchover Serial I2C RTC - SOIC-8
List
Min: 2,500
Mult. of: 2,500
ECAD Model:
Increase Button Decrease Button
Qty
Unit Price
2,500
$1.47
7,500
Ready to Ship!
 24 Weeks 2351 Reel SOIC-8 DW:DM:M:Y/Binary HH:MM:SS:hh/Binary I2C 32B 3V to 5.5V Industrial -40°C to +85°C -55°C to +125°C Surface Mount

Datasheet
5138870 PCF2123TS/1,118
NXP
PCF2123 Series 5.5 V Surface Mount SPI Real Time Clock/Calendar - TSSOP-14
List
Min: 2,500
Mult. of: 2,500
ECAD Model:
Increase Button Decrease Button
Qty
Unit Price
2,500
$0.625
5,000
$0.61
7,500
Ready to Ship!
 16 Weeks 2441 Reel TSSOP-14 DW:DM:M:Y/Binary HH:MM:SS/Binary 3-Wire SPI 1.1V to 5.5V Industrial -40°C to +85°C -65°C to +150°C Surface Mount

Datasheet
3063980 MCP79411T-I/MNY
Microchip
MCP79411 Series 5.5 V I2C 2-Wire Serial Real-Time Clock/Calendar - TDFN-8
List
Min: 3,300
Mult. of: 3,300
ECAD Model:
More Info Increase Button Decrease Button
Qty
Unit Price
3,300
$1.02
6,600
Ready to Ship!
 7 Weeks 2317 Reel TDFN-8 DW:DM:M:Y HH:MM:SS I2C 64B 1.8V to 5.5V Industrial -40°C to +85°C -65°C to +150°C Surface Mount

Datasheet
4097195 APX803S-26SA-7
Diodes Incorporated
APX803S Series 2.63 V 240 ms Open Drain Microprocessor Reset Circuit - SOT-23
List
Min: 3,000
Mult. of: 3,000
ECAD Model:
More Info Increase Button Decrease Button
Qty
Unit Price
3,000
$0.0729
9,000
$0.0711
12,000
$0.0706
30,000
$0.0691
45,000
$0.0676
6,000
Ready to Ship!
 8 Weeks 2338 Reel SOT-23 (SC-59,TO-236) Surface Mount

Datasheet
4223962 M41ST85WMX6TR
STMicroelectronics
M41ST Series 3.6 V I2C Serial RTC NVRAM / Microprocessor Supervisor - SOIC-28
List
Min: 1,000
Mult. of: 1,000
ECAD Model:
Increase Button Decrease Button
Qty
Unit Price
1,000
$3.82
6,000
Ready to Ship!
 24 Weeks 2416 Reel SOIC-28 DW:DM:M:Y HH:MM:SS:hh I2C / 2-Wire / Serial 44B 64b 2.7V to 3.6V Industrial -40°C to +85°C -55°C to +150°C Surface Mount

Datasheet
2015912 M41T83RMY6F
STMicroelectronics
M41T83 Series 5.5 V Serial I2C Bus Real Time Clock w/ Battery Switchover -SOX-18
List
Min: 1,000
Mult. of: 1,000
ECAD Model:
More Info Increase Button Decrease Button
Qty
Unit Price
1,000
$2.44
6,000
Ready to Ship!
 24 Weeks 2417 Reel SOX-18 DW:DM:M:Y HH:MM:SS:hh I2C / 2-Wire / Serial 7B 7b 2.7V to 5.5V Industrial -40°C to +85°C -55°C to +125°C Surface Mount

Datasheet
5002406 M41T82RM6F
STMicroelectronics
M41T82 Series 2.7 to 5.5 V Surface Mount Serial I2C bus Real-Time Clock - SOIC-8
List
Min: 2,500
Mult. of: 2,500
ECAD Model:
Increase Button Decrease Button
Qty
Unit Price
2,500
$1.43
5,000
Ready to Ship!
 24 Weeks 2441 Reel SOIC-8 DW:DM:M:Y HH:MM:SS:hh I2C / 2-Wire / Serial 7b 2.7V to 5.5V Industrial -40°C to +85°C -55°C to +125°C Surface Mount

Datasheet
1233089 M41T94MQ6F
STMicroelectronics
M41T94 Series 5.5 V SPI Surface Mount Real Time Clock - SOIC-16
List
Min: 2,500
Mult. of: 2,500
ECAD Model:
Increase Button Decrease Button
Qty
Unit Price
2,500
$2.15
5,000
Ready to Ship!
 24 Weeks 2408 Reel SOIC-16 DW:DM:M:Y HH:MM:SS:hh SPI 44B 8b 2.7V to 5.5V Industrial -40°C to +85°C -55°C to +125°C Surface Mount

Datasheet
8015934 PCF8563T/5,518
NXP
PCF8563 Series 1.8 - 5.5 V Real Time Clock / Calendar - SOIC-8
List
Min: 2,500
Mult. of: 2,500
ECAD Model:
Increase Button Decrease Button
Qty
Unit Price
2,500
$0.37
5,000
$0.365
7,500
$0.36
5,000
Ready to Ship!
 16 Weeks 2310 Reel SOIC-8 DW:DM:M:Y/Binary HH:MM:SS/Binary I2C 1.8V to 5.5V Industrial -40°C to +85°C -65°C to +150°C Surface Mount