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
X1228S14IZ Intersil IC RTC CLK/CALENDAR I2C 14-SOIC - -40°C ~ 85°C Alarm, Leap Year, Supervisor, Watchdog Timer Tube Surface Mount - - Clock/Calendar 2.7 V ~ 5.5 V
DS1308U-3+ Maxim Integrated IC RTC CLK/CALENDAR I2C 8-UMAX - -40°C ~ 85°C Leap Year, NVSRAM, Square Wave Output Tube Surface Mount - - Clock/Calendar 2.7 V ~ 5.5 V
M48T59Y-70MH1E STMicroelectronics IC RTC CLK/CALENDAR PAR 28SOH Timekeeper® 0°C ~ 70°C Alarm, Leap Year, Watchdog Timer Tube Surface Mount - - Clock/Calendar 4.5 V ~ 5.5 V
PCF8563T/5,518 NXP Semiconductors / Freescale IC RTC CLK/CALENDAR I2C 8-SOIC - -40°C ~ 85°C Alarm, Leap Year, Watchdog Timer Original-Reel® Surface Mount - - Clock/Calendar 1.8 V ~ 5.5 V
X1286A8IT1 Intersil IC RTC CLK/CALENDAR I2C 8-SOIC - -40°C ~ 85°C Alarm, Leap Year, Supervisor, Watchdog Timer Tape & Reel (TR) Surface Mount - - Clock/Calendar 2.7 V ~ 5.5 V
RX-8035LC:AC0 PURE SN Epson IC TRC CLK/CALENDAR - - - - - - - - -
DS1307N+ Maxim Integrated IC RTC CLK/CALENDAR I2C 8-DIP - -40°C ~ 85°C Leap Year, NVSRAM, Square Wave Output Tube Through Hole - - Clock/Calendar 4.5 V ~ 5.5 V
DS1315S-33+T&R Maxim Integrated IC RTC PHANTOM PAR 16-SOIC - 0°C ~ 70°C Leap Year Tape & Reel (TR) Surface Mount - - Phantom Time Chip 3 V ~ 3.6 V
MAX6917EO33+T Maxim Integrated IC RTC I2C COMPAT 20-QSOP - -40°C ~ 85°C - Tape & Reel (TR) Surface Mount - - Clock/Calendar/Supervisor 3 V ~ 3.6 V
DS1742-100IND Maxim Integrated IC RTC CLK/CALENDAR PAR 24-EDIP - -40°C ~ 85°C Leap Year, NVSRAM, Y2K Tube Through Hole - - 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.