BQ3287MT-K

BQ3287MT-K Description

BQ3287MT-K Categories

BQ3287MT-K Manufacturer

BQ3287MT-K Datasheet (PDF)

BQ3287MT-K Price & Availability

BQ3287MT-K Features

• Direct clock/calendar replacement for IBM? AT-compatible computers and other applications
• Functionally compatible with the DS1287/DS1287A and MC146818A
• 114 bytes of general nonvolatile storage
• Integral lithium cell and crystal
• 160 ns cycle time allows fast bus operation
• Selectable Intel or Motorola bus timing
• 14 bytes for clock/calendar and control
• BCD or binary format for clock and calendar data
• Time of day in seconds, minutes, and hours
  • 12- or 24-hour format
  • Optional daylight saving adjustment
• Calendar in day of the week, day of the month, months, and years with automatic leap-year adjustment
• Programmable square wave output
• Three individually maskable interrupt event flags:
  • Periodic rates from 122us to 500ms
  • Time-of-day alarm once per second to once per day
  • End-of-clock update cycle
• Better than one minute per month clock accuracy

BQ3287MT-K Parameters

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