bq3285E
bq3285E is Real-Time Clock manufactured by UNITRODE.
bq3285E/L
Real-Time Clock (RTC)
Features
® Direct clock/calendar replacement for IBM® AT-patible puters and other applications
® Functionally patible 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...
