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ELECTRONIC COMPONENTS

Real Time Clocks

Photo Mfr. Part # Availability Price 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
PCF2129AT/1,512 NXP USA Inc.

PCF2129AT/1,512

IC RTC CLOCK/CALENDAR I2C 20SO

NXP USA Inc.

3,891 -
Datasheet - 20-SOIC (0.295", 7.50mm Width) Tube Obsolete 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
PCF2127AT/1,512 NXP USA Inc.

PCF2127AT/1,512

IC RTC CLOCK/CALENDAR I2C 20SO

NXP USA Inc.

4,029 -
Datasheet - 20-SOIC (0.295", 7.50mm Width) Tube Obsolete 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
PCF2123BS/1,512 NXP USA Inc.

PCF2123BS/1,512

IC RTC CLK/CALENDAR SPI 16HVQFN

NXP USA Inc.

3,472 -
Datasheet - 16-VFQFN Exposed Pad Tube Discontinued at Digi-Key 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 - 0.33µA ~ 0.38µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount - - 16-HVQFN (3x3)
PCF2129AT/1,518 NXP USA Inc.

PCF2129AT/1,518

IC RTC CLOCK/CALENDAR I2C 20SO

NXP USA Inc.

4,276 -
Datasheet - 20-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Obsolete 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
PCF2127AT/1,518 NXP USA Inc.

PCF2127AT/1,518

IC RTC CLOCK/CALENDAR I2C 20SO

NXP USA Inc.

1,962 -
Datasheet - 20-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Obsolete 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
PCF8564ACX9/1,005 NXP USA Inc.

PCF8564ACX9/1,005

IC RTC CLOCK/CALENDAR I2C DIE

NXP USA Inc.

3,982 -
Datasheet - Die Bulk Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, 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 - - Die
PCF8523TS/1,112 NXP USA Inc.

PCF8523TS/1,112

IC RTC CLK/CALENDAR I2C 14TSSOP

NXP USA Inc.

4,191 -
Datasheet - 14-TSSOP (0.173", 4.40mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.6V ~ 5.5V 1.8V ~ 5.5V 0.5µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount - - 14-TSSOP
PCF2123U/12AA/1,00 NXP USA Inc.

PCF2123U/12AA/1,00

IC RTC/CALENDAR SPI UNCASED

NXP USA Inc.

3,240 -
Datasheet * - Bulk Obsolete Not Verified - - - - - - - - - - - - - -
PCF2123U/5GA/1,015 NXP USA Inc.

PCF2123U/5GA/1,015

IC RTC/CALENDAR SPI UNCASED

NXP USA Inc.

2,749 -
Datasheet * - Bulk Obsolete Not Verified - - - - - - - - - - - - - -
PCF8523U/12AA/1,00 NXP USA Inc.

PCF8523U/12AA/1,00

IC RTC/CALENDAR UNCASED DIE FFC

NXP USA Inc.

3,025 -
Datasheet * - Bulk Obsolete Not Verified - - - - - - - - - - - - - -
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