Clock/Timing - Real Time Clocks

Clock/Timing - Real Time Clocks

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Manufacturer
Series
Operating Temperature
Features
Packaging
Mounting Type
RoHS Status
Manufacturer Part Number
Type
Voltage - Supply

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Image Part Number Manufacturer Description Series Operating Temperature Features Packaging Mounting Type RoHS Status Manufacturer Part Number Type Voltage - Supply
RX-8581JE:B0 I2C-BUS Epson IC TRC CLK/CALENDAR - - - - - - - - -
DS1553W-120 Maxim Integrated IC RTC RAM Y2K 3.3V 120NS 28EDIP - 0°C ~ 70°C Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Tube Through Hole - - Clock/Calendar 2.97 V ~ 3.63 V
DS17887-5+ Maxim Integrated IC RTC CLK/CALENDAR PAR 24-EDIP - 0°C ~ 70°C Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Tube Through Hole - - Clock/Calendar 4.5 V ~ 5.5 V
DS2415P+ Maxim Integrated IC RTC BINARY CNT SER 6-TSOC - -40°C ~ 85°C Unique ID Tube Surface Mount - - Binary Counter 2.5 V ~ 5.5 V
MCP79402-I/ST Micrel / Microchip Technology IC RTC CLK/CALENDAR I2C 8-TSSOP - -40°C ~ 85°C Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Tube Surface Mount - - Clock/Calendar 1.8 V ~ 5.5 V
DS1682S/T&R Maxim Integrated IC RTC ELAPSED CNT I2C 8-SOIC - -40°C ~ 85°C Alarm, EEPROM Tape & Reel (TR) Surface Mount - - Elapsed Time Counter 2.5 V ~ 5.5 V
ISL12058IRTZ Intersil IC RTC CLK/CALENDAR I2C 8-TDFN - -40°C ~ 85°C Alarm, Leap Year Tube Surface Mount - - Clock/Calendar 1.8 V ~ 3.6 V
M41T11MH6E STMicroelectronics IC RTC CLK/CALENDAR I2C 28-SOIC - -40°C ~ 85°C Leap Year, NVSRAM Tube Surface Mount - - Clock/Calendar 2 V ~ 5.5 V
MCP79401T-I/ST Micrel / Microchip Technology IC RTC CLK/CALENDAR I2C 8-TSSOP - -40°C ~ 85°C Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Tape & Reel (TR) Surface Mount - - Clock/Calendar 1.8 V ~ 5.5 V
DS17487N-3 Maxim Integrated IC RTC CLK/CALENDAR PAR 24-EDIP - -40°C ~ 85°C Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Tube Through Hole - - Clock/Calendar 2.7 V ~ 3.7 V

About Clock/Timing - Real Time Clocks


Real-time clocks (RTCs) are electronic devices that keep track of the current time and date with high accuracy, independent of external power sources. They typically include a built-in crystal oscillator and a battery backup to ensure continuous timekeeping even when the main power is off. RTCs are commonly used in applications such as consumer electronics, industrial automation, medical devices, and automotive systems where precise timekeeping is essential for scheduling tasks, logging events, and time-stamping data.