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
M41T00SC64MY6F

M41T00SC64MY6F

IC RTC CLK/CALENDAR I2C 18SOX

STMicroelectronics

0
RFQ
Datasheet - 18-SOX, 18-SOIC with Crystal (7.5mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar EEPROM, Leap Year 8KB HH:MM:SS YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 2.5V ~ 35V 100µA (Typ) @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 18-SOX
ISL1221IUZ-T

ISL1221IUZ-T

IC RTC EVENT REC I2C 10MSOP

Renesas Electronics Corporation

3
RFQ
Datasheet - 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Obsolete Not Verified Time Event Recorder Alarm, Leap Year, SRAM 2B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 4µA ~ 6µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 10-MSOP
M41ST85WMH6E

M41ST85WMH6E

IC RTC CLK/CALENDAR I2C 28SOH

STMicroelectronics

0
RFQ
Datasheet - 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tube Obsolete Not Verified 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 2.7V ~ 3.6V 2.5V ~ 3.5V 0.5mA @ 2.7V ~ 3.6V -40°C ~ 85°C Surface Mount - - 28-SOH
M41T62LC6F

M41T62LC6F

IC RTC CLK/CALENDAR I2C 8LCC

STMicroelectronics

0
RFQ
Datasheet Timekeeper® 8-LCC Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer - HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.3V ~ 4.4V - 0.7µA ~ 0.95µA @ 1.3V ~ 4.4V -40°C ~ 85°C Surface Mount - - 8-LCC (1.5x3.2)
M48T212V-85MH1E

M48T212V-85MH1E

IC RTC CLK/CALENDAR PAR 44SOH

STMicroelectronics

0
RFQ
Datasheet Timekeeper® 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Watchdog Timer, Y2K - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V 3V 2mA @ 3V ~ 3.6V 0°C ~ 70°C Surface Mount - - 44-SOH
ISL12026IBZ-T7A

ISL12026IBZ-T7A

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

0
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete 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
M41T00CAPPC1

M41T00CAPPC1

IC RTC CLK/CALENDAR I2C 24-DIP

STMicroelectronics

0
RFQ
Datasheet Timekeeper®, CAPHAT™ 24-DIP (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V Integrated 70µA @ 2.7V ~ 5.5V 0°C ~ 70°C Through Hole - - 24-PCDIP, CAPHAT®
M41T256YMT7E

M41T256YMT7E

IC RTC CLK/CALENDAR I2C 44SOH

STMicroelectronics

0
RFQ
Datasheet Timekeeper® 44-BSOP (0.337", 8.56mm Width) Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM 32KB HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 4.5V ~ 5.5V 2.5V ~ 3.5V 2.5mA @ 4.5V ~ 5.5V -25°C ~ 70°C Surface Mount - - 44-SOH
M41T256YMH7E

M41T256YMH7E

IC RTC CLK/CALENDAR I2C 44SOH

STMicroelectronics

0
RFQ
Datasheet Timekeeper® 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM 32KB HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 4.5V ~ 5.5V 2.5V ~ 3.5V 2.5mA @ 4.5V ~ 5.5V -25°C ~ 70°C Surface Mount - - 44-SOH
M48T58Y-70MH1E

M48T58Y-70MH1E

IC RTC CLK/CALENDAR PAR 28SOH

STMicroelectronics

0
RFQ
Datasheet Timekeeper® 28-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets Tube Obsolete 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
X1228S14Z-2.7T1

X1228S14Z-2.7T1

IC RTC CLK/CALENDAR I2C 14SOIC

Renesas Electronics Corporation

0
RFQ
Datasheet - 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - 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 ~ 5V 0°C ~ 70°C Surface Mount - - 14-SOIC
M48T59Y-70MH1E

M48T59Y-70MH1E

IC RTC CLK/CALENDAR PAR 28SOH

STMicroelectronics

0
RFQ
Datasheet Timekeeper® 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tube Obsolete Not Verified Clock/Calendar Alarm, 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
M48T201V-85MH1E

M48T201V-85MH1E

IC RTC CLK/CALENDAR PAR 44SOH

STMicroelectronics

0
RFQ
Datasheet Timekeeper® 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V 3V 2mA @ 3V ~ 3.6V 0°C ~ 70°C Surface Mount - - 44-SOH
M48T201Y-70MH1E

M48T201Y-70MH1E

IC RTC CLK/CALENDAR PAR 44SOH

STMicroelectronics

0
RFQ
Datasheet Timekeeper® 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 3mA @ 4.5V ~ 5.5V 0°C ~ 70°C Surface Mount - - 44-SOH
M48T212V-85MH1F

M48T212V-85MH1F

IC RTC CLK/CALENDAR PAR 44SOH

STMicroelectronics

0
RFQ
Datasheet Timekeeper® 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Watchdog Timer, Y2K - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V 3V 2mA @ 3V ~ 3.6V 0°C ~ 70°C Surface Mount - - 44-SOH
M48T59Y-70MH6E

M48T59Y-70MH6E

IC RTC CLK/CALENDAR PAR 28SOH

STMicroelectronics

0
RFQ

-

Timekeeper® 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Watchdog Timer - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 3mA @ 4.5V ~ 5.5V -40°C ~ 85°C Surface Mount - - 28-SOH
M41T256YMT7F

M41T256YMT7F

IC RTC CLK/CALENDAR I2C 44SOH

STMicroelectronics

0
RFQ
Datasheet Timekeeper® 44-BSOP (0.337", 8.56mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM 32KB HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 4.5V ~ 5.5V 2.5V ~ 3.5V 2.5mA @ 4.5V ~ 5.5V -25°C ~ 70°C Surface Mount - - 44-SOH
M41T256YMH7F

M41T256YMH7F

IC RTC CLK/CALENDAR I2C 44SOH

STMicroelectronics

0
RFQ
Datasheet Timekeeper® 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM 32KB HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 4.5V ~ 5.5V 2.5V ~ 3.5V 2.5mA @ 4.5V ~ 5.5V -25°C ~ 70°C Surface Mount - - 44-SOH
M48T35AV-10MH1E

M48T35AV-10MH1E

IC RTC CLK/CALENDAR PAR 28SOH

STMicroelectronics

0
RFQ
Datasheet Timekeeper® 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tube Obsolete 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
DP8573AN

DP8573AN

IC RTC CLK/CALENDAR PAR 24DIP

Texas Instruments

0
RFQ
Datasheet - 24-DIP (0.300", 7.62mm) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.2V ~ 5.1V 1µA @ 5V -40°C ~ 85°C Through Hole - - 24-DIP
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