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
MCP79511-I/MS

MCP79511-I/MS

IC RTC CLK/CALENDAR SPI 10MSOP

Microchip Technology

2,294
RFQ

-

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Not Verified Clock/Calendar Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 1.8V ~ 3.6V 1.3V ~ 3.6V 1µA @ 1.8V ~ 3.6V -40°C ~ 85°C Surface Mount - - 10-MSOP
MCP79520T-I/MS

MCP79520T-I/MS

IC RTC CLK/CALENDAR SPI 10MSOP

Microchip Technology

1,488
RFQ

-

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 1.8V ~ 3.6V 1.3V ~ 3.6V 1µA @ 1.8V ~ 3.6V -40°C ~ 85°C Surface Mount - - 10-MSOP
MCP79511T-I/MS

MCP79511T-I/MS

IC RTC CLK/CALENDAR SPI 10MSOP

Microchip Technology

1,461
RFQ

-

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 1.8V ~ 3.6V 1.3V ~ 3.6V 1µA @ 1.8V ~ 3.6V -40°C ~ 85°C Surface Mount - - 10-MSOP
MCP79512-I/MS

MCP79512-I/MS

IC RTC CLK/CALENDAR SPI 10MSOP

Microchip Technology

252
RFQ

-

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Not Verified Clock/Calendar Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 1.8V ~ 3.6V 1.3V ~ 3.6V 1µA @ 1.8V ~ 3.6V -40°C ~ 85°C Surface Mount - - 10-MSOP
PCF85053ATKJ

PCF85053ATKJ

IC CPU RTC I2C SOT2413-1

NXP USA Inc.

10,169
RFQ
Datasheet - 12-VFDFN Exposed Pad Tape & Reel (TR) Active - Clock/Calendar Alarm, Daylight Savings, Leap Year, SRAM 128B HH:MM:SS (12/24 hr) YY-MM-DD I2C 1.7V ~ 3.6V 1.55V ~ 3.6V 1mA @ 3.3V -40°C ~ 85°C (TA) Surface Mount - - 12-HVSON (3x3)
MCP79522-I/MS

MCP79522-I/MS

IC RTC CLK/CALENDAR SPI 10MSOP

Microchip Technology

1,438
RFQ

-

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Not Verified Clock/Calendar Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 1.8V ~ 3.6V 1.3V ~ 3.6V 1µA @ 1.8V ~ 3.6V -40°C ~ 85°C Surface Mount - - 10-MSOP
PCA85063ATT/AJ

PCA85063ATT/AJ

IC RTC CLK/CALENDAR I2C 8TSSOP

NXP USA Inc.

11,454
RFQ
Datasheet - 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Not For New Designs Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 0.9V ~ 5.5V - 1.8µA @ 5V -40°C ~ 105°C Surface Mount Automotive AEC-Q100 8-TSSOP
MCP795W10-I/SL

MCP795W10-I/SL

IC RTC CLK/CALENDAR SPI 14SOIC

Microchip Technology

434
RFQ
Datasheet - 14-SOIC (0.154", 3.90mm Width) Tube Active Not Verified Clock/Calendar Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 1.8V ~ 3.6V 1.3V ~ 3.6V 1µA @ 1.8V ~ 5.5V -40°C ~ 85°C Surface Mount - - 14-SOIC
MCP795W10-I/ST

MCP795W10-I/ST

IC RTC CLK/CALENDAR SPI 14TSSOP

Microchip Technology

497
RFQ
Datasheet - 14-TSSOP (0.173", 4.40mm Width) Tube Active Not Verified Clock/Calendar Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 1.8V ~ 3.6V 1.3V ~ 3.6V 1µA @ 1.8V ~ 5.5V -40°C ~ 85°C Surface Mount - - 14-TSSOP
MCP795W21-I/SL

MCP795W21-I/SL

IC RTC CLK/CALENDAR SPI 14SOIC

Microchip Technology

258
RFQ
Datasheet - 14-SOIC (0.154", 3.90mm Width) Tube Active Not Verified Clock/Calendar Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 1.8V ~ 3.6V 1.3V ~ 3.6V 1µA @ 1.8V ~ 5.5V -40°C ~ 85°C Surface Mount - - 14-SOIC
PCA21125T/Q900/1,1

PCA21125T/Q900/1,1

IC RTC CLK/CALENDAR SPI 14TSSOP

NXP USA Inc.

297
RFQ
Datasheet - 14-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 1.6V ~ 5.5V - 30.3µA @ 2V ~ 5V -40°C ~ 125°C Surface Mount - - 14-TSSOP
ISL1208IB8Z

ISL1208IB8Z

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

2,294
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube 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
M41T01M6F

M41T01M6F

IC RTC CLK/CALENDAR I2C 8SOIC

STMicroelectronics

1,986
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
PCF2131TFY

PCF2131TFY

IC RTC CLK/CALENDAR I2C 16HLSON

NXP USA Inc.

2,811
RFQ
Datasheet - 16-LFDFN Exposed Pad Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Watchdog Timer - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd I2C, SPI 1.2V ~ 5.5V 1.2V ~ 5.5V 770nA ~ 2.135µA @ 1.2V ~ 5.5V -40°C ~ 85°C (TA) Surface Mount, Wettable Flank - - 16-HLSON (4.5x3.5)
ISL1208IU8Z

ISL1208IU8Z

IC RTC CLK/CALENDAR I2C 8MSOP

Renesas Electronics Corporation

990
RFQ
Datasheet - 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube 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
M41T93RQA6F

M41T93RQA6F

IC RTC CLK/CALENDAR SPI 16QFN

STMicroelectronics

2,737
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 SPI 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA @ 5.5V -40°C ~ 85°C Surface Mount - - 16-QFN (4x4)
ISL12057IBZ

ISL12057IBZ

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

1,773
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 1.8V ~ 3.6V - 0.65µA @ 1.8V -40°C ~ 85°C Surface Mount - - 8-SOIC
ISL12057IBZ-T

ISL12057IBZ-T

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

4,126
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 1.8V ~ 3.6V - 0.65µA @ 1.8V -40°C ~ 85°C Surface Mount - - 8-SOIC
M41T83SMY6F

M41T83SMY6F

IC RTC CLK/CALENDAR I2C 18SOX

STMicroelectronics

1,355
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 3V ~ 5.5V 2V ~ 5.5V 10µA @ 5.5V -40°C ~ 85°C Surface Mount - - 18-SOX
ISL1219IUZ

ISL1219IUZ

IC RTC EVENT REC I2C 10MSOP

Renesas Electronics Corporation

891
RFQ
Datasheet - 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active 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
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