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
PT7C433833WE Diodes Incorporated I2C AND LOW POWER RTC - - - Tube Surface Mount - - - -
DS1685S-5 Maxim Integrated IC RTC CLK/CALENDAR PAR 24-SOIC - 0°C ~ 70°C Alarm, NVSRAM, Square Wave Output, Y2K Tube Surface Mount - - Clock/Calendar 4.5 V ~ 5.5 V
ISL1208IU8Z-TK Intersil IC RTC CLK/CALENDAR I2C 8-MSOP - -40°C ~ 85°C Alarm, Leap Year, SRAM Cut Tape (CT) Surface Mount - - Clock/Calendar 2.7 V ~ 5.5 V
RX-8803LC:UA3 PURE SN Epson IC RTC CLK/CALENDAR I2C 12-VSOJ - -40°C ~ 85°C Alarm Tape & Reel (TR) Surface Mount - - Clock/Calendar 1.6 V ~ 5.5 V
DS1394U-33+T&R Maxim Integrated IC RTC CLK/CALENDAR SPI 10-MSOP - -40°C ~ 85°C Alarm, Leap Year, Square Wave Output, Trickle-Charger Original-Reel® Surface Mount - - Clock/Calendar 2.97 V ~ 5.5 V
RX-8581NB:B3 Epson IC RTC CLK/CALENDAR I2C 22-SON - -40°C ~ 85°C Alarm, Leap Year Original-Reel® Surface Mount - - Clock/Calendar 1.8 V ~ 5.5 V
MCP795W22-I/SL Micrel / Microchip Technology IC RTC CLK/CALENDAR SPI 14-SOIC - -40°C ~ 85°C Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer Tube Surface Mount - - Clock/Calendar 1.8 V ~ 3.6 V
DS1284Q/T&R Maxim Integrated IC RTC CLK/CALENDAR PAR 28-PLCC - 0°C ~ 70°C Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Tape & Reel (TR) Surface Mount - - Clock/Calendar 4.5 V ~ 5.5 V
DS17885E-5+ Maxim Integrated IC RTC CLK/CALENDAR PAR 28-TSOP - 0°C ~ 70°C Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Tray Surface Mount - - Clock/Calendar 4.5 V ~ 5.5 V
DS1344E-3+ Maxim Integrated IC RTC CLK/CALENDAR SPI 20-TSSOP - -40°C ~ 85°C Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger Tube Surface Mount - - Clock/Calendar 2.7 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.