Real Time Clocks

Real Time Clocks (RTCs) provide time and/or date information in almost any electronic device which needs to keep accurate time. The clock types are binary counter, clock/calendar/supervisor, elapsed time counter, phantom time chip, portable system controller, temperature recorder, time event recorder, and timer clock peripheral.  They contain memory sizes ranging from 2 B to 2 MB and have interface options of I2C, Parallel, Serial, SPI, 1-Wire, 2-Wire, 3-Wire, and 4-Wire.

Part Number Manufacturer Description Quantity Price Option
RTC-4574SA:B0 ROHS Epson IC RTC CLK/CALENDAR SER 14-SOP 0 $0.00
M41T93ZMY6E STMicroelectronics IC RTC CLK/CALENDAR SPI 18-SOX 0 $0.00
M41T93SMY6E STMicroelectronics IC RTC CLK/CALENDAR SPI 18-SOX 0 $0.00
M41T93RMY6E STMicroelectronics IC RTC CLK/CALENDAR SPI 18-SOX 0 $0.00
M41T83ZMY6E STMicroelectronics IC RTC CLK/CALENDAR I2C 18-SOX 0 $0.00
M41T83SMY6E STMicroelectronics IC RTC CLK/CALENDAR I2C 18-SOX 0 $0.00
M41T83RMY6E STMicroelectronics IC RTC CLK/CALENDAR I2C 18-SOX 0 $0.00
M41T82ZM6E STMicroelectronics IC RTC CLK/CALENDAR I2C 8-SOIC 0 $0.00
M41T82SM6E STMicroelectronics IC RTC CLK/CALENDAR I2C 8-SOIC 0 $0.00
M41T00SC64MY6E STMicroelectronics IC RTC CLK/CALENDAR I2C 18-SOX 0 $0.00