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UM82C6818 - Real Time Clock Plus RAM

Datasheet Summary

Description

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

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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Datasheet preview – UM82C6818

Datasheet Details

Part number UM82C6818
Manufacturer UMC
File Size 51.65 KB
Description Real Time Clock Plus RAM
Datasheet download datasheet UM82C6818 Datasheet
Additional preview pages of the UM82C6818 datasheet.

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Full PDF Text Transcription

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eUMC UM82C6818 f~ll =;:=::;==;;;=== RPeluasl TRiAmMe (CRlToCc)k 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 • automatic leap year compensation • Multiplexed bus for pin efficiency General Description The UM82C6818 Real-Time Clock plus RAM is fabricated in high performance CMOS process to interface with 1MHz processor buses.
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