RS5C348A-E2-F: 4 wire Serial RTC

RS5C348A-E2-F: 4 wire Serial RTC

The Rx5C348A/B are CMOS real-time clock ICs connected to the CPU by four signal lines, CE, SCLK, SI, SO, and configured to perform serial transmission of time and calendar data to the CPU. The periodic interrupt circuit is configured to generate interrupt signals with six selectable interrupts ranging from 0.5 seconds to 1 month.

  • Timekeeping supply voltage ranging from 1.45 to 5.5V
  • Low Power Consumption
  • Maximum clock frequency of 2 MHz (with VDD=5V)

RS5C348A Data Sheet

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Product Identification

  • Full Part Number RS5C348A-E2-F
  • Manufacturer Ricoh