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
PCF85063AT/AAZ

PCF85063AT/AAZ

IC RTC CLOCK/CALENDAR I2C 8SO

NXP USA Inc.

1,826
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active 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 - 0.6µA @ 3.3V -40°C ~ 85°C Surface Mount - - 8-SO
MCP7940NT-I/ST

MCP7940NT-I/ST

IC RTC CLK/CALENDAR I2C 8TSSOP

Microchip Technology

4,748
RFQ
Datasheet - 8-TSSOP (0.173", 4.40mm 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 1.5V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 85°C Surface Mount Automotive AEC-Q100 8-TSSOP
MCP7940N-I/ST

MCP7940N-I/ST

IC RTC CLK/CALENDAR I2C 8TSSOP

Microchip Technology

2,003
RFQ
Datasheet - 8-TSSOP (0.173", 4.40mm 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 1.3V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 85°C Surface Mount Automotive AEC-Q100 8-TSSOP
MCP7940N-E/SN

MCP7940N-E/SN

IC RTC CLK/CALENDAR I2C 8SOIC

Microchip Technology

7,499
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 1.3V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 125°C Surface Mount Automotive AEC-Q100 8-SOIC
MCP7940N-I/P

MCP7940N-I/P

IC RTC CLOCK/CALENDAR I2C 8DIP

Microchip Technology

1,813
RFQ
Datasheet - 8-DIP (0.300", 7.62mm) 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 1.3V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 85°C Through Hole Automotive AEC-Q100 8-PDIP
MCP79400-I/SN

MCP79400-I/SN

IC RTC CLK/CALENDAR I2C 8SOIC

Microchip Technology

4,241
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Unique ID 64B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA (Typ) @ 3.3V -40°C ~ 85°C Surface Mount - - 8-SOIC
MCP7940NT-E/MS

MCP7940NT-E/MS

IC RTC CLK/CALENDAR I2C 8MSOP

Microchip Technology

7,012
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 1.3V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 125°C Surface Mount Automotive AEC-Q100 8-MSOP
MCP79400T-I/MS

MCP79400T-I/MS

IC RTC CLK/CALENDAR I2C 8MSOP

Microchip Technology

5,673
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, Unique ID 64B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA (Typ) @ 3.3V -40°C ~ 85°C Surface Mount - - 8-MSOP
MCP79402-I/SN

MCP79402-I/SN

IC RTC CLK/CALENDAR I2C 8SOIC

Microchip Technology

878
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Unique ID 64B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA (Typ) @ 3.3V -40°C ~ 85°C Surface Mount - - 8-SOIC
MCP79401-I/SN

MCP79401-I/SN

IC RTC CLK/CALENDAR I2C 8SOIC

Microchip Technology

395
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Unique ID 64B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA (Typ) @ 3.3V -40°C ~ 85°C Surface Mount - - 8-SOIC
MCP79410-I/ST

MCP79410-I/ST

IC RTC CLK/CALENDAR I2C 8TSSOP

Microchip Technology

7,634
RFQ
Datasheet - 8-TSSOP (0.173", 4.40mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Unique ID 64B, 1Kb HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 85°C Surface Mount - - 8-TSSOP
MCP79410T-I/ST

MCP79410T-I/ST

IC RTC CLK/CALENDAR I2C 8TSSOP

Microchip Technology

5,235
RFQ
Datasheet - 8-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Unique ID 64B, 1Kb HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 85°C Surface Mount - - 8-TSSOP
MCP79411T-I/SN

MCP79411T-I/SN

IC RTC CLK/CALENDAR I2C 8SOIC

Microchip Technology

25,535
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Unique ID 64B, 1Kb HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 85°C Surface Mount - - 8-SOIC
MCP79412-I/SN

MCP79412-I/SN

IC RTC CLK/CALENDAR I2C 8SOIC

Microchip Technology

11,815
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Unique ID 64B, 1Kb HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 85°C Surface Mount - - 8-SOIC
MCP79412T-I/SN

MCP79412T-I/SN

IC RTC CLK/CALENDAR I2C 8SOIC

Microchip Technology

1,044
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Unique ID 64B, 1Kb HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 85°C Surface Mount - - 8-SOIC
BQ32002DR

BQ32002DR

IC RTC CLK/CALENDAR I2C 8SOIC

Texas Instruments

7,070
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Leap Year, Square Wave Output - HH:MM:SS (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 3V ~ 3.6V 1.4V ~ 3.6V 65µA @ 3.3V -40°C ~ 85°C Surface Mount - - 8-SOIC
MCP79412-I/ST

MCP79412-I/ST

IC RTC CLK/CALENDAR I2C 8TSSOP

Microchip Technology

410
RFQ
Datasheet - 8-TSSOP (0.173", 4.40mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Unique ID 64B, 1Kb HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 85°C Surface Mount - - 8-TSSOP
PCF85263ATT1/AZ

PCF85263ATT1/AZ

IC RTC CLK/CALENDAR I2C 10TSSOP

NXP USA Inc.

6,286
RFQ
Datasheet - 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 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 0.9V ~ 1.8V, 0.9V ~ 5.5V 0.9V ~ 5.5V 0.885µA @ 3.3V -40°C ~ 85°C (TA) Surface Mount Automotive AEC-Q100 10-TSSOP
MCP79412T-I/MNY

MCP79412T-I/MNY

IC RTC CLK/CALENDAR I2C 8TDFN

Microchip Technology

4,200
RFQ
Datasheet - 8-WFDFN Exposed Pad Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Unique ID 64B, 1Kb HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 85°C Surface Mount - - 8-TDFN (2x3)
PCF8563BS/4,118

PCF8563BS/4,118

IC RTC CLK/CALENDAR I2C 10HVSON

NXP USA Inc.

17,656
RFQ
Datasheet - 10-VFDFN Exposed Pad Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Watchdog Timer - HH:MM:SS (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1V ~ 5.5V - 0.6µA ~ 0.75µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount - - 10-HVSON (3x3)
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