Part Number
|
bq3285E |
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
|
bq3285E
|
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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