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
M41T82RM6F

M41T82RM6F

IC RTC CLK/CALENDAR I2C 8SOIC

STMicroelectronics

3,840
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, 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 - - 8-SOIC
M41T56M6F

M41T56M6F

IC RTC CLK/CALENDAR I2C 8SOIC

STMicroelectronics

8,886
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Leap Year, NVSRAM 56B HH:MM:SS (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 4.5V ~ 5.5V 2.5V ~ 3.5V 100µA (Typ) @ 4.5V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-SOIC
M41T82ZM6F

M41T82ZM6F

IC RTC CLK/CALENDAR I2C 8SOIC

STMicroelectronics

4,737
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, SRAM, Watchdog Timer 7B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.38V ~ 5.5V 2V ~ 5.5V 10µA @ 5.5V -40°C ~ 85°C Surface Mount - - 8-SOIC
M41T82SM6F

M41T82SM6F

IC RTC CLK/CALENDAR I2C 8SOIC

STMicroelectronics

4,424
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, SRAM, Watchdog Timer 7B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 3V ~ 5.5V 2V ~ 5.5V 10µA @ 5.5V -40°C ~ 85°C Surface Mount - - 8-SOIC
M41T00SM6F

M41T00SM6F

IC RTC CLK/CALENDAR I2C 8SOIC

STMicroelectronics

3,398
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 2V ~ 3.5V 70µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-SOIC
M41T00M6F

M41T00M6F

IC RTC CLK/CALENDAR I2C 8SOIC

STMicroelectronics

16,304
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Leap Year - 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 - - 8-SOIC
PCF8593T/1,118

PCF8593T/1,118

IC RTC CLOCK/CALENDAR I2C 8SO

NXP USA Inc.

2,005
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, NVSRAM 8B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.5V ~ 6V - 8µA ~ 15µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount - - 8-SO
M41T11M6F

M41T11M6F

IC RTC CLK/CALENDAR I2C 8SOIC

STMicroelectronics

6,676
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) 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 - - 8-SOIC
M41T83RQA6F

M41T83RQA6F

IC RTC CLK/CALENDAR I2C 16QFN

STMicroelectronics

4,217
RFQ
Datasheet - 16-VQFN Exposed Pad 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 - - 16-QFN (4x4)
M41T83SQA6F

M41T83SQA6F

IC RTC CLK/CALENDAR I2C 16QFN

STMicroelectronics

1,849
RFQ
Datasheet - 16-VQFN Exposed Pad 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 3V ~ 5.5V 2V ~ 5.5V 10µA @ 5.5V -40°C ~ 85°C Surface Mount - - 16-QFN (4x4)
ISL12057IUZ-T

ISL12057IUZ-T

IC RTC CLK/CALENDAR I2C 8MSOP

Renesas Electronics Corporation

1,571
RFQ
Datasheet - 8-TSSOP, 8-MSOP (0.118", 3.00mm 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 1.8V ~ 3.6V - 0.65µA @ 1.8V -40°C ~ 85°C Surface Mount - - 8-MSOP
ISL12057IUZ

ISL12057IUZ

IC RTC CLK/CALENDAR I2C 8MSOP

Renesas Electronics Corporation

1,201
RFQ
Datasheet - 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 3.6V - 0.65µA @ 1.8V -40°C ~ 85°C Surface Mount - - 8-MSOP
ISL1208IB8Z-TK

ISL1208IB8Z-TK

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

10,275
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar 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 - - 8-SOIC
PCA2131TF/Q900Y

PCA2131TF/Q900Y

IC RTC W/XTAL AUTO HLSON16

NXP USA Inc.

1,246
RFQ
Datasheet - - Tape & Reel (TR) Active Not Verified - - - - - - - - - - - - - -
M41T94MQ6F

M41T94MQ6F

IC RTC CLK/CALENDAR SPI 16SO

STMicroelectronics

5,978
RFQ
Datasheet - 16-SOIC (0.154", 3.90mm Width) 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 - - 16-SO
ISL1208IU8Z-TK

ISL1208IU8Z-TK

IC RTC CLK/CALENDAR I2C 8MSOP

Renesas Electronics Corporation

4,628
RFQ
Datasheet - 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar 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 - - 8-MSOP
M41T93RMY6F

M41T93RMY6F

IC RTC CLK/CALENDAR SPI 18SOX

STMicroelectronics

8,712
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 SPI 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA @ 5.5V -40°C ~ 85°C Surface Mount - - 18-SOX
M41T83ZMY6F

M41T83ZMY6F

IC RTC CLK/CALENDAR I2C 18SOX

STMicroelectronics

885
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 2.38V ~ 5.5V 2V ~ 5.5V 10µA @ 5.5V -40°C ~ 85°C Surface Mount - - 18-SOX
PCF2127T/2Y

PCF2127T/2Y

IC RTC CLOCK/CALENDAR I2C 16SO

NXP USA Inc.

1,052
RFQ
Datasheet - 16-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Not Verified 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 1.8V ~ 4.2V 1.8V ~ 4.2V 1.5µA @ 3.3V -40°C ~ 85°C Surface Mount - - 16-SO
PCF2127AT/2Y

PCF2127AT/2Y

IC RTC CLOCK/CALENDAR I2C 20SO

NXP USA Inc.

5,658
RFQ
Datasheet - 20-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Not Verified 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 1.8V ~ 4.2V 1.8V ~ 4.2V 1.5µA @ 3.3V -40°C ~ 85°C Surface Mount - - 20-SO
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