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UM82C6818 Datasheet Real Time Clock Plus RAM

Manufacturer: UMC

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Datasheet Details

Part number UM82C6818
Manufacturer UMC
File Size 51.65 KB
Description Real Time Clock Plus RAM
Datasheet download datasheet UM82C6818 Datasheet

General Description

The UM82C6818 Real-Time Clock plus RAM is fabricated in high performance CMOS process to interface with 1MHz processor buses.

It combines three unique

Overview

eUMC UM82C6818 f~ll =;:=::;==;;;=== RPeluasl TRiAmMe (CRlToCc)k.

Key Features

  • Internal time base and oscillator.
  • Counts seconds, minutes, and hours of the day.
  • Counts days of the week, date, month, and year.
  • 3V to 6V operation.
  • Time base input options: 4.194304 MHz, 1.048576 MHz, or 32.768 kHz.
  • Time base osci lIator for parallel resonant crystals.
  • Binary or BCD representation of time, calendar, and alarm.
  • 12 or 24-hour clock with AM and PM in 12-hour mode.
  • automatic end of month recognition.

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