Real Time Clocks

Photo Mfr. Part # Availability Quantity Datasheet Series Package/Case Packaging Product Status Programmable Type Features Memory Size Time Format Date Format Interface Voltage - Supply Voltage - Supply, Battery Current - Timekeeping (Max) Operating Temperature Mounting Type Grade Qualification Supplier Device Package
M41T83RMY6F

M41T83RMY6F

IC RTC CLK/CALENDAR I2C 18SOX

STMicroelectronics

9,375
RFQ
Datasheet - 18-SOX, 18-SOIC with Crystal (7.5mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer 7B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 2V ~ 5.5V 10µA @ 5.5V -40°C ~ 85°C Surface Mount - - 18-SOX
ISL12026IBZ-T

ISL12026IBZ-T

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

4,713
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-SOIC
ISL12026IBZ

ISL12026IBZ

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

3,970
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-SOIC
PCF2129AT/2,518

PCF2129AT/2,518

IC RTC CLOCK/CALENDAR I2C 20SO

NXP USA Inc.

770
RFQ
Datasheet - 20-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 4.2V 1.8V ~ 4.2V 1.5µA @ 3.3V -40°C ~ 85°C Surface Mount - - 20-SO
PCF2129T/2,518

PCF2129T/2,518

IC RTC CLOCK/CALENDAR I2C 16SO

NXP USA Inc.

3,571
RFQ
Datasheet - 16-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 4.2V 1.8V ~ 4.2V 1.5µA @ 3.3V -40°C ~ 85°C Surface Mount - - 16-SO
M41T11MH6F

M41T11MH6F

IC RTC CLK/CALENDAR I2C 28SOH

STMicroelectronics

4,125
RFQ
Datasheet - 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tape & Reel (TR) Active Not Verified Clock/Calendar Leap Year, NVSRAM 56B HH:MM:SS YY-MM-DD-dd I2C, 2-Wire Serial 2V ~ 5.5V 2.5V ~ 3.5V 70µA @ 2V ~ 5.5V -40°C ~ 85°C Surface Mount - - 28-SOH
ISL12022IBZ

ISL12022IBZ

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

5,814
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Active Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, SRAM 128B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 14µA ~ 15µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 8-SOIC
M41T94MH6F

M41T94MH6F

IC RTC CLK/CALENDAR SPI 28SOH

STMicroelectronics

8,289
RFQ
Datasheet - 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer 44B HH:MM:SS:hh (24 hr) YY-MM-DD-dd SPI 2.7V ~ 5.5V 2.5V ~ 3.5V 1.4mA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 28-SOH
ISL12020MIRZ

ISL12020MIRZ

IC RTC CLK/CALENDAR I2C 20DFN

Renesas Electronics Corporation

498
RFQ
Datasheet - 20-PowerLFDFN Tube Active Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, SRAM 128B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 14µA ~ 15µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 20-DFN (5.5x4)
M41ST87WMX6TR

M41ST87WMX6TR

IC RTC CLOCK/CALENDAR I2C 28SO

STMicroelectronics

4,044
RFQ
Datasheet - 28-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer 128B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 3.6V 2.5V ~ 3.6V 0.5mA @ 2.7V ~ 3.6V -40°C ~ 85°C Surface Mount - - 28-SO
M48T58Y-70MH1F

M48T58Y-70MH1F

IC RTC CLK/CALENDAR PAR 28SOH

STMicroelectronics

1,799
RFQ
Datasheet Timekeeper® 28-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets Tape & Reel (TR) Active Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 3mA @ 4.5V ~ 5.5V 0°C ~ 70°C Surface Mount - - 28-SOH
M48T02-70PC1

M48T02-70PC1

IC RTC CLK/CALENDAR PAR 24DIP

STMicroelectronics

1,001
RFQ
Datasheet Timekeeper® 24-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.75V ~ 5.5V - 3mA @ 4.7V ~ 5.5V 0°C ~ 70°C Through Hole - - 24-PCDIP, CAPHAT®
M48T08Y-10MH1F

M48T08Y-10MH1F

IC RTC CLK/CALENDAR PAR 28SOH

STMicroelectronics

2,086
RFQ
Datasheet Timekeeper® 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tape & Reel (TR) Active Not Verified Clock/Calendar Leap Year, Watchdog Timer - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 3mA @ 4.5V ~ 5.5V 0°C ~ 70°C Surface Mount - - 28-SOH
M48T35Y-70MH1F

M48T35Y-70MH1F

IC RTC CLK/CALENDAR PAR 28SOH

STMicroelectronics

1,093
RFQ
Datasheet Timekeeper® 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tape & Reel (TR) Active Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 2mA @ 4.75V ~ 5.5V 0°C ~ 70°C Surface Mount - - 28-SOH
M48T37V-10MH1F

M48T37V-10MH1F

IC RTC CLK/CALENDAR PAR 44SOH

STMicroelectronics

404
RFQ
Datasheet Timekeeper® 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Watchdog Timer - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V - 2mA @ 3V ~ 3.6V 0°C ~ 70°C Surface Mount - - 44-SOH
M48T35AV-10MH1F

M48T35AV-10MH1F

IC RTC CLK/CALENDAR PAR 28SOH

STMicroelectronics

1,124
RFQ
Datasheet Timekeeper® 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tape & Reel (TR) Active Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V - 2mA @ 3V ~ 3.6V 0°C ~ 70°C Surface Mount - - 28-SOH
M48T02-150PC1

M48T02-150PC1

IC RTC CLK/CALENDAR PAR 24DIP

STMicroelectronics

127
RFQ
Datasheet Timekeeper® 24-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.75V ~ 5.5V - 3mA @ 4.7V ~ 5.5V 0°C ~ 70°C Through Hole - - 24-PCDIP, CAPHAT®
MCP7940MT-I/SN

MCP7940MT-I/SN

IC RTC CLK/CALENDAR I2C 8SOIC

Microchip Technology

6,121
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM 64B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V - 1µA @ 5.5V -40°C ~ 85°C Surface Mount - - 8-SOIC
MCP7940M-I/SN

MCP7940M-I/SN

IC RTC CLK/CALENDAR I2C 8SOIC

Microchip Technology

1,315
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM 64B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V - 1µA @ 5.5V -40°C ~ 85°C Surface Mount - - 8-SOIC
MCP7940MT-I/MS

MCP7940MT-I/MS

IC RTC CLK/CALENDAR I2C 8MSOP

Microchip Technology

8,760
RFQ
Datasheet - 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM 64B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V - 1µA @ 5.5V -40°C ~ 85°C Surface Mount - - 8-MSOP
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