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Real Time Clocks

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Part Details Web Price (USD)
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Mounting Feature

Datasheet
4019343 M41T81SM6F
STMicroelectronics
M41T81S Series 5.5 V I2C / 2-Wire / Serial SMT Real Time Clock - SOIC-8
List
Min: 1
Mult. of: 1
More Info Increase Button Decrease Button
  • 1: $2.36
  • 250: $1.62
  • 500: $1.54
  • 750: $1.50
  • 1,500: $1.43
1,753 10 Weeks 1907 Cut Tape
Available in Mini-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
6084587 DS1302+
Maxim Integrated
DS1302 Series 5.5 V Through Hole Trickle-Charge Timekeeping Chip - PDIP-8
List
Min: 1
Mult. of: 1
Increase Button Decrease Button
  • 1: $2.96
  • 30: $2.84
  • 75: $2.74
  • 200: $2.65
  • 400: $2.58
1,398 6 Weeks 1822 Tube PDIP-8 DW:DM:M:Y HH:MM:SS 3-Wire 31B 2V to 5.5V Commercial 0°C to 70°C -55°C to +125°C 1 Through Hole

Datasheet
6001043 MCP79410-I/SN
Microchip
MCP79410 Series 5.5 V I2C™ Real-Time Clock/Calendar with EEPROM SRAM-SOIC-8
List
Min: 1
Mult. of: 1
Increase Button Decrease Button
  • 1: $0.90
  • 26: $0.83
  • 100: $0.79
1,373 12 Weeks 1846 Tube SOIC-8 DW:DM:M:Y HH:MM:SS I2C 1kB 64b 1.8V to 5.5V Industrial -40°C to +85°C -65°C to +150°C Surface Mount

Datasheet
8005119 M41T81M6F
STMicroelectronics
M41T Series 2 V Surface Mount Serial I2C Real Time Clock with Alarm - SOIC-8
List
Min: 1
Mult. of: 1
Increase Button Decrease Button
  • 1: $2.43
  • 250: $1.63
  • 500: $1.55
  • 750: $1.51
  • 1,500: $1.43
1,193 10 Weeks 1905 Cut Tape
Available in Mini-Reel
 SOIC-8 DW:DM:M:Y/Binary HH:MM:SS:hh/Binary Serial 20B 2V to 5.5V Industrial -40°C to +85°C -55°C to +125°C Surface Mount

Datasheet
4001704 PCF8563TS/4,118
NXP
PCF8563 Series 1.8 to 5.5 V 250 mA SMT Real-Time Clock/Calendar - TSSOP-8
List
Min: 1
Mult. of: 1
More Info Increase Button Decrease Button
  • 1: $1.33
  • 250: $0.86
  • 500: $0.815
  • 750: $0.79
  • 1,500: $0.75
1,132 7 Weeks 1808 Cut Tape
Available in Mini-Reel
 TSSOP-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

Datasheet
List
Min: 1,000
Mult. of: 1,000
Increase Button Decrease Button
  • 1,000: $2.38
1,000 7 Weeks 1937 Reel SOIC-16 DW:DM:M:Y HH:MM:SS I2C 1.8V to 4.2V Industrial -40°C to +85°C -55°C to +85°C 3 Surface Mount

Datasheet
3084625 DS1501WZN+T&R
Maxim Integrated
DS1501 Series 3.6V 256 Bytes SRAM Y2K-Compliant Watchdog Real-Time Clock-SOIC-28
List
Min: 1,000
Mult. of: 1,000
More Info Increase Button Decrease Button
  • 1,000: $5.96
1,000 6 Weeks 1816 Reel SOIC-28 DW:DM:M:Y HH:MM:SS Parallel 256B 3V to 3.6V Industrial -40°C to +85°C -55°C to +125°C 1 Surface Mount

Datasheet
4084563 DS1685EN-3+T&R
Maxim Integrated
DS1685 Series 5.5 V Parallel Surface Mount Real Time Clock- TSSOP-24
List
Min: 1,000
Mult. of: 1,000
Increase Button Decrease Button
  • 1,000: $3.56
1,000 7 Weeks 1929 Reel TSSOP-24 DW:DM:M:Y HH:MM:SS Parallel 242B 2.7V to 3.7V Industrial -40°C to +85°C -55°C to +125°C 1 Surface Mount

Datasheet
5084548 DS1340C-33#T&R
Maxim Integrated
DS1340 Series 3V I2C / Serial Surface Mount RTC with Trickle Charger - SOIC-16
List
Min: 1,000
Mult. of: 1,000
Increase Button Decrease Button
  • 1,000: $3.02
1,000 6 Weeks 1850 Reel SOIC-16 DW:DM:M:Y HH:MM:SS I2C 2.97V to 5.5V Industrial -40°C to +85°C -55°C to +125°C 1 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
Increase Button Decrease Button
  • 1,000: $3.64
1,000 25 Weeks 1943 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
Increase Button Decrease Button
  • 1,000: $2.11
1,000 25 Weeks 1928 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
8993883 M41T83RQA6F
STMicroelectronics
M41T83 Series 5.5 V Serial I2C Bus RTC with Battery Switchover - VFQFPN-16
List
Min: 1,000
Mult. of: 1,000
Increase Button Decrease Button
  • 1,000: $1.58
1,000 10 Weeks 1941 Reel VFQFPN-16 DW:DM:M:Y/Binary HH:MM:SS:hh/Binary I2C 7B 2.7V to 5.5V Industrial -40°C to +85°C -55°C to +125°C Surface Mount

Datasheet
3205416 M41T93ZQA6F
STMicroelectronics
M41T93 Series 5.5 V Serial SPI Bus RTC With Battery Switchover-QFN-16
List
Min: 1,000
Mult. of: 1,000
More Info Increase Button Decrease Button
  • 1,000: $1.58
1,000 10 Weeks 1913 Reel QFN-16 DW:DM:M:Y HH:MM:SS:hh SPI 7B 7b 2.38V to 5.5V Industrial -40°C to +85°C -55°C to +125°C Surface Mount

Datasheet
6114652 RX8804CE:XA3
Epson Electronics America
RX8804 Series 5.5 V 1.6 µA Real Time Clock Module - SMD-10
List
Min: 250
Mult. of: 250
Increase Button Decrease Button
  • 250: $3.37
1,000 N/A 1933 Reel SMD-1 I2C 1.6V to 5.5V -40°C to +105°C Surface Mount

Datasheet
7114652 RX8804CE:XB3
Epson Electronics America
RX8804 Series 5.5 V 1.6 µA Real Time Clock Module - SMD-10
List
Min: 250
Mult. of: 250
Increase Button Decrease Button
  • 250: $1.46
1,000 N/A 1845 Reel I2C 1.5V to 5.5V -40°C to +105°C 1 Surface Mount

Datasheet
List
Min: 1,000
Mult. of: 1,000
More Info Increase Button Decrease Button
  • 1,000: $1.33
1,000 1910 Reel

Datasheet
1101078 8P34S1208NBGI8
Renesas
IDT8Pxx Series 1.89 V 1.2 GHz 1:8 LVDS Output 1.8 V Fanout Buffer - VFQFPN-28
List
Min: 1
Mult. of: 1
More Info Increase Button Decrease Button
  • 1: $11.41
  • 5: $9.20
  • 10: $8.38
  • 15: $7.94
  • 25: $7.41
988 1714 Cut Tape VFQFPN-28 Surface Mount

Datasheet
8065980 M41ST85WMH6F
STMicroelectronics
M41ST Series 3.3 V I2C Serial RTC NVRAM / Microprocessor Superviser - SOH-28
List
Min: 936
Mult. of: 936
More Info Increase Button Decrease Button
  • 936: $4.46
936 1904 Reel SOH-28 DW:DM:M:Y/Binary HH:MM:SS:hh/Binary I2C 44B 512b 2.7V to 3.6V Industrial -40°C to +85°C -40°C to +85°C Surface Mount

Datasheet
6027802 ISL1208IU8Z
Renesas
ISL1208 Series 2.7 - 5.5 V 2 Byte Ram I2C® Real Time Clock/Calendar - MSOP-8
List
Min: 1
Mult. of: 1
Increase Button Decrease Button
  • 1: $2.38
  • 240: $1.60
  • 320: $1.57
  • 800: $1.46
  • 1,200: $1.42
803 5-10 Days 1228 Tube MSOP-8 DW:DM:M:Y HH:MM:SS I2C 2B 2.7V to 5.5V Industrial -40°C to +85°C -65°C to +150°C Surface Mount

Datasheet
2084603 DS1306E+
Maxim Integrated
DS1306 Series 5.5 V Serial / 3-Wire / SPI Through Hole Real Time Clock-TSSOP-20
List
Min: 1
Mult. of: 1
Increase Button Decrease Button
  • 1: $5.00
  • 20: $4.51
  • 50: $4.26
  • 125: $4.02
  • 300: $3.80
638 6 Weeks 1919 Tube TSSOP-20 DW:DM:M:Y HH:MM:SS SPI 96B 2V to 5.5V Commercial 0°C to 70°C -55°C to +125°C 1 Surface Mount

Datasheet
5027801 ISL12022IBZ
Renesas
ISL12022 Series 2.7 - 5.5 V I2C 128 Bytes SRAM Real Time Clock - SOIC-8
List
Min: 1
Mult. of: 1
Increase Button Decrease Button
  • 1: $4.41
  • 196: $3.25
  • 294: $3.18
  • 392: $3.13
  • 490: $3.09
634 6 Weeks 1817 Tube SOIC-8 DW:DM:M:Y HH:MM:SS I2C 128B 2.7V to 5.5V Industrial -40°C to +85°C -65°C to +150°C Surface Mount

Datasheet
9084628 DS1501YZ+
Maxim Integrated
DS1501 Series 5 V Y2K-Compliant Watchdog Real-Time Clock - SOIC-28
List
Min: 25
Mult. of: 25
More Info Increase Button Decrease Button
  • 25: $7.91
  • 50: $7.74
  • 75: $7.65
  • 100: $7.58
625 6 Weeks 1749 Tube SOIC-28 DW:DM:M:Y HH:MM:SS Parallel 256B 4.5V to 5.5V Commercial 0°C to 70°C -55°C to +125°C 1 Surface Mount

Datasheet
8084574 DS12885QN+
Maxim Integrated
DS12885 Series 5.5V Parallel Surface Mount Real Time Clock - PLCC-28
List
Min: 1
Mult. of: 1
Increase Button Decrease Button
  • 1: $7.61
  • 15: $6.97
  • 30: $6.71
  • 100: $6.28
  • 200: $6.05
613 6 Weeks 1608 Tube PLCC-28 DW:DM:M:Y HH:MM:SS Parallel 114B 4.5V to 5.5V Industrial -40°C to +85°C -55°C to +125°C 1 Surface Mount

Datasheet
1084580 DS12887+
Maxim Integrated
DS12887 Series 5.5V Parallel Through Hole Real Time Clock - DIP-24
List
Min: 1
Mult. of: 1
Increase Button Decrease Button
  • 1: $9.37
  • 10: $8.54
  • 25: $8.09
  • 75: $7.59
  • 150: $7.29
504 6 Weeks 1807 Tube DW:DM:M:Y HH:MM:SS 114B 4.5V to 5.5V Commercial 0°C to 70°C -40°C to +85°C Through Hole

Datasheet
5517073 M48T58Y-70PC1
STMicroelectronics
M48T58Y Series 64 Kb (8 K x 8) 5 V 70 ns Timekeeper® SRAM - PCDIP-28
List
Min: 12
Mult. of: 12
Increase Button Decrease Button
  • 12: $14.85
  • 24: $14.48
  • 36: $14.27
  • 48: $14.13
492 25 Weeks 1846 Tube PCDIP-28 Through Hole