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Photo Mfr. Part # Availability Price Quantity Datasheet Package/Case Packaging Series ProductStatus Type Features MemorySize TimeFormat DateFormat Interface Voltage-Supply Voltage-SupplyBattery Current-Timekeeping(Max) OperatingTemperature MountingType
DP8570AV

DP8570AV

IC RTC TIMER PERIPH PAR 28PLCC

National Semiconductor

239 26.69

RFQ

DP8570AV

Datasheet

28-LCC (J-Lead) Bulk - Active Timer Clock Peripheral (TCP) Alarm, Leap Year 44B 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 Surface Mount
DS1251Y-150

DS1251Y-150

4096K NV SRAM & PHANTOM CLOCK

Analog Devices Inc./Maxim Integrated

213 28.71

RFQ

DS1251Y-150

Datasheet

32-DIP Module (0.600", 15.24mm) Bulk - Active Phantom Time Chip EEPROM, Leap Year, NVSRAM, RAM 512KB HH:MM:SS:hh (12/24 hr) YY-MM-DD Parallel 2.97V ~ 3.63V, 4.5V ~ 5.5V Integrated 10mA @ 5V 0°C ~ 70°C (TA) Through Hole
CDP68HC68T1EZ

CDP68HC68T1EZ

IC RTC CLK/CALENDAR SPI 16DIP

Renesas Electronics America Inc

0 32.09

RFQ

CDP68HC68T1EZ

Datasheet

16-DIP (0.300", 7.62mm) Tube - Obsolete Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer 32B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 3V ~ 6V 2.2V ~ 6V 20µA ~ 500µA @ 5V -40°C ~ 85°C Through Hole
DS1644L-120

DS1644L-120

DS1644 NV TIMEKEEPING RAM

Analog Devices Inc./Maxim Integrated

0 36.66

RFQ

DS1644L-120

Datasheet

28-DIP Module (0.600", 15.24mm) Bulk - Active Clock/Calendar EEPROM, Leap Year, NVSRAM, RAM 32KB HH:MM:SS (24 hr) YY-MM-DD - 4.5V ~ 5.5V - 4mA @ 5V 0°C ~ 70°C Through Hole
BQ4852YMC-85

BQ4852YMC-85

IC RTC CLK/CALENDAR PAR 36DIP

Benchmarq

0 49.61

RFQ

BQ4852YMC-85

Datasheet

36-DIP Module (0.610", 15.49mm) Tube - Obsolete Clock/Calendar Alarm, Supervisor, Watchdog Timer - HH:MM:SS:hh (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 1mA @ 4.5V ~ 5.5V 0°C ~ 70°C Through Hole
ICM7170AIDG

ICM7170AIDG

ICM7170 - REAL TIME CLOCK, CMOS

Rochester Electronics, LLC

278 67.61

RFQ

ICM7170AIDG

Datasheet

- Bulk - Active Clock/Calendar Alarm - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd - 1.9V, 2.6V ~ 5.5V 2.8V ~ 3.5V 20µA @ 5V -40°C ~ 85°C (TA) -
M48T35Y-70PC1

M48T35Y-70PC1

IC RTC CLK/CALENDAR PAR 28DIP

STMicroelectronics

16 30.66

RFQ

M48T35Y-70PC1

Datasheet

28-DIP Module (0.600", 15.24mm) Tube Timekeeper® Active Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 2mA @ 4.75V ~ 5.5V 0°C ~ 70°C Through Hole
DS1744P-70+

DS1744P-70+

IC RTC CLK/CALENDAR PAR 34PCM

Analog Devices Inc./Maxim Integrated

23 34.48

RFQ

DS1744P-70+

Datasheet

34-PowerCap™ Module Tray - Active Clock/Calendar Leap Year, NVSRAM, Y2K 32KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 4mA @ 5V 0°C ~ 70°C Surface Mount
MCP7940M-I/P

MCP7940M-I/P

IC RTC CLOCK/CALENDAR I2C 8DIP

Microchip Technology

519 0.74

RFQ

MCP7940M-I/P

Datasheet

8-DIP (0.300", 7.62mm) Tube - Active 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 - 1µA @ 5.5V -40°C ~ 85°C Through Hole
MCP7940N-E/MS

MCP7940N-E/MS

IC RTC CLK/CALENDAR I2C 8MSOP

Microchip Technology

349 0.97

RFQ

MCP7940N-E/MS

Datasheet

8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Automotive, AEC-Q100 Active 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
MCP79401-I/SN

MCP79401-I/SN

IC RTC CLK/CALENDAR I2C 8SOIC

Microchip Technology

810 1.04

RFQ

MCP79401-I/SN

Datasheet

8-SOIC (0.154", 3.90mm Width) Tube - Active 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
BQ32002D

BQ32002D

IC RTC CLK/CALENDAR I2C 8SOIC

Texas Instruments

320 1.58

RFQ

BQ32002D

Datasheet

8-SOIC (0.154", 3.90mm Width) Tube - Active Clock/Calendar Leap Year, Square Wave Output, Trickle-Charger - HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3V ~ 3.6V 1.4V ~ 3.6V 200µA @ 3.3V -40°C ~ 85°C (TA) Surface Mount
DS1306N+

DS1306N+

IC RTC CLK/CALENDAR SPI 16DIP

Analog Devices Inc./Maxim Integrated

100 9.13

RFQ

DS1306N+

Datasheet

16-DIP (0.300", 7.62mm) Tube - Active Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 96B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2V ~ 5.5V 2V ~ 5.5V 25.3µA ~ 81µA @ 2V ~ 5V -40°C ~ 85°C Through Hole
DS1558Y+

DS1558Y+

IC RTC CLK/CALENDAR PAR 48LQFP

Analog Devices Inc./Maxim Integrated

283 12.41

RFQ

DS1558Y+

Datasheet

48-LQFP Tray - Active Clock/Calendar Alarm, Leap Year, Watchdog Timer, Y2K - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 6mA @ 5V -40°C ~ 85°C Surface Mount
DP8570AV/NOPB

DP8570AV/NOPB

IC RTC TIMER PERIPH PAR 28PLCC

Texas Instruments

92 33.39

RFQ

DP8570AV/NOPB

Datasheet

28-LCC (J-Lead) Tube - Active Timer Clock Peripheral (TCP) Alarm, Leap Year 44B 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 Surface Mount
DS1244W-120+

DS1244W-120+

IC RTC PHANTOM CHIP PAR 28EDIP

Analog Devices Inc./Maxim Integrated

24 34.60

RFQ

DS1244W-120+

Datasheet

28-DIP Module (0.600", 15.24mm) Tube - Active Phantom Time Chip Leap Year, NVSRAM 32KB HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V - 7mA @ 3.3V 0°C ~ 70°C Through Hole
DS1556-70+

DS1556-70+

IC RTC CLK/CALENDAR PAR 32EDIP

Analog Devices Inc./Maxim Integrated

19 51.24

RFQ

DS1556-70+

Datasheet

32-DIP Module (0.600", 15.24mm) Tube - Active Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 128KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 6mA @ 5V 0°C ~ 70°C Through Hole
MCP79401-I/MS

MCP79401-I/MS

IC RTC CLK/CALENDAR I2C 8MSOP

Microchip Technology

400 1.08

RFQ

MCP79401-I/MS

Datasheet

8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube - Active 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
MCP79402-I/ST

MCP79402-I/ST

IC RTC CLK/CALENDAR I2C 8TSSOP

Microchip Technology

400 1.08

RFQ

MCP79402-I/ST

Datasheet

8-TSSOP (0.173", 4.40mm Width) Tube - Active 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
MCP79411-I/ST

MCP79411-I/ST

IC RTC CLK/CALENDAR I2C 8TSSOP

Microchip Technology

294 1.18

RFQ

MCP79411-I/ST

Datasheet

8-TSSOP (0.173", 4.40mm Width) Tube - Active 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
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