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
PCF8593T/1,112 NXP Semiconductors / Freescale IC RTC CLK/CALENDAR I2C 8-SOIC - -40°C ~ 85°C Alarm, NVSRAM Tube Surface Mount - - Clock/Calendar 2.5 V ~ 6 V
RX8900CE:UB0 Epson IC TRC CLK/CALENDAR - - - - - RoHS Compliant - - -
DS3234S#T&R Maxim Integrated IC RTC CLK/CALENDAR SPI 20-SOIC - 0°C ~ 70°C Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal Original-Reel® Surface Mount - - Clock/Calendar 2 V ~ 5.5 V
DS1678 Maxim Integrated IC RTC EVENT REC I2C 8-DIP - -40°C ~ 85°C Alarm, Leap Year, NVSRAM, Y2K Tube Through Hole - - Time Event Recorder 4.5 V ~ 5.5 V
DS1374C-33# Maxim Integrated IC RTC BINARY CNT I2C 16-SOIC - -40°C ~ 85°C Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer Tube Surface Mount - - Binary Counter 2.97 V ~ 5.5 V
X1288V14 Intersil IC RTC CLK/CALENDAR I2C 14-TSSOP - 0°C ~ 70°C Alarm, Leap Year, Supervisor, Watchdog Timer Tube Surface Mount - - Clock/Calendar 4.5 V ~ 5.5 V
DS1501Y Maxim Integrated IC RTC CLK/CALENDAR PAR 28-DIP - 0°C ~ 70°C Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Tube Through Hole - - Clock/Calendar 4.5 V ~ 5.5 V
DS1685-5+ Maxim Integrated IC RTC CLK/CALENDAR PAR 24-DIP - 0°C ~ 70°C Alarm, NVSRAM, Square Wave Output, Y2K Tube Through Hole - - Clock/Calendar 4.5 V ~ 5.5 V
DS1248WP-120IND Maxim Integrated IC RTC PHANTOM PAR 34-PCM - -40°C ~ 85°C NVSRAM Tube Surface Mount - - Phantom Time Chip 2.97 V ~ 3.63 V
M41T93SQA6F STMicroelectronics IC RTC CLK/CALENDAR SPI 16-QFN - -40°C ~ 85°C Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Tape & Reel (TR) Surface Mount - - Clock/Calendar 3 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.