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
DS1388Z-3+ Maxim Integrated IC RTC CLK/CALENDAR I2C 8-SOIC - -40°C ~ 85°C EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer Tube Surface Mount - - Clock/Calendar 2.7 V ~ 3.3 V
DS14285SN+ Maxim Integrated IC RTC CLK/CALENDAR PAR 24-SOIC - -40°C ~ 85°C Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Tube Surface Mount - - Clock/Calendar 4.5 V ~ 5.5 V
BQ3285ESTR N/A IC RTC CLK/CALENDAR PAR 24-SOIC - 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
DS1647-120 Maxim Integrated IC RAM TIMEKEEP NV 120NS 32-EDIP - 0°C ~ 70°C Leap Year, NVSRAM Tube Through Hole - - Clock/Calendar 4.5 V ~ 5.5 V
DS1302Z+T&R/C07 Maxim Integrated IC RTC CLK/CALENDAR SER 8-SOIC - 0°C ~ 70°C Leap Year, NVSRAM, Trickle-Charger Tape & Reel (TR) Surface Mount - - Clock/Calendar 2 V ~ 5.5 V
DS1501WS Maxim Integrated IC RTC CLK/CALENDAR PAR 28-SOIC - 0°C ~ 70°C Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Tube Surface Mount - - Clock/Calendar 3 V ~ 3.6 V
BQ4845S-A4NTR N/A IC RTC CLK/CALENDAR PAR 28-SOIC - -40°C ~ 85°C Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Tape & Reel (TR) Surface Mount - - Clock/Calendar 4.75 V ~ 5.5 V
M48T37V-10MH1F STMicroelectronics IC RTC CLK/CALENDAR PAR 44-SOH Timekeeper® 0°C ~ 70°C Alarm, Leap Year, Watchdog Timer Original-Reel® Surface Mount - - Clock/Calendar 3 V ~ 3.6 V
DS1747W-120 Maxim Integrated IC RTC CLK/CALENDAR PAR 32-EDIP - 0°C ~ 70°C Leap Year, NVSRAM, Y2K Tube Through Hole - - Clock/Calendar 2.97 V ~ 3.63 V
DS1307ZN Maxim Integrated IC RTC CLK/CALENDAR I2C 8-SOIC - -40°C ~ 85°C Leap Year, NVSRAM, Square Wave Output Tube Surface Mount - - Clock/Calendar 4.5 V ~ 5.5 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.