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bq3285L

Part Number	bq3285L
Manufacturer	UNITRODE
Description	Real-Time Clock
Published	May 30, 2019
Detailed Description	bq3285E/L Real-Time Clock (RTC) Features ® Direct clock/calendar replacement for IBM® AT-compatible computers and othe...
Datasheet	bq3285L PDF File

Overview

bq3285E/L Real-Time Clock (RTC) Features ® Direct clock/calendar replacement for IBM® AT-compatible computers and other applications ® Functionally compatible with the DS1285 - Closely matches MC146818A pin configuration ® 2.
7–3.
6V operation (bq3285L); 4.
5–5.
5V operation (bq3285E) ® 242 bytes of general nonvolatile storage ® 32.
768kHz output for power management ® System wake-up capability— alarm interrupt output active in battery-backup mode ® Less than 0.
5µA load under battery operation ® Selectable Intel or Motorola bus timing ® 14 bytes for clock/calendar and control ® BCD or binary format for clock and calendar data ® Calendar in day of the week, day of the month, months, and years, ...

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