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
DS1685E-3+ Maxim Integrated IC RTC CLK/CALENDAR PAR 24-TSSOP - 0°C ~ 70°C Alarm, NVSRAM, Square Wave Output, Y2K Tube Surface Mount - - Clock/Calendar 2.7 V ~ 3.7 V
DS1343E-3+T&R Maxim Integrated IC RTC CLK/CALENDAR SPI 20-TSSOP - -40°C ~ 85°C Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger Tape & Reel (TR) Surface Mount - - Clock/Calendar 2.7 V ~ 5.5 V
DS1689SN Maxim Integrated IC RTC CLK/CALENDAR PAR 28-SOIC - -40°C ~ 85°C NVSRAM Tube Surface Mount - - Clock/Calendar 2.7 V ~ 3.3 V, 4.5 V ~ 5.5 V
M48T129V-85PM1 STMicroelectronics IC RTC CLK/CALENDAR PAR 32-DIP Timekeeper® 0°C ~ 70°C Alarm, Leap Year, Watchdog Timer Tube Through Hole - - Clock/Calendar 3 V ~ 3.6 V
ISL12029IV27AZ Intersil IC RTC CLK/CALENDAR I2C 14-TSSOP - -40°C ~ 85°C Alarm, Leap Year, Supervisor, Watchdog Timer Tube Surface Mount - - Clock/Calendar 2.7 V ~ 5.5 V
BQ3285ESSTRG4 N/A IC RTC CLK/CALENDAR PAR 24-QSOP - 0°C ~ 70°C Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Tape & Reel (TR) Surface Mount - - Clock/Calendar 4.5 V ~ 5.5 V
DS1673E-5+T&R Maxim Integrated IC RTC SYSTEM CTRLR SER 20-TSSOP - 0°C ~ 70°C Alarm, Leap Year, Watchdog Timer Tape & Reel (TR) Surface Mount - - Portable System Controller 4.5 V ~ 5.5 V
DS1689SN+ Maxim Integrated IC RTC CLK/CALENDAR PAR 28-SOIC - -40°C ~ 85°C NVSRAM Tube Surface Mount - - Clock/Calendar 2.7 V ~ 3.3 V, 4.5 V ~ 5.5 V
DP8570AV/NOPB N/A IC RTC CLK/CALENDAR PAR 28-PLCC - -40°C ~ 85°C Alarm, Leap Year Tube Surface Mount - - Timer Clock Peripheral (TCP) 4.5 V ~ 5.5 V
DS1746W-120IND Maxim Integrated IC RTC CLK/CALENDAR PAR 32-EDIP - -40°C ~ 85°C Leap Year, NVSRAM, Y2K Tube Through Hole - - Clock/Calendar 2.97 V ~ 3.63 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.