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BQ3285ESS

  • Available: 13612

Reference Price(In US Dollars)

QtyUnit PriceExt.Price
1+US $9.86840US $9.87
10+US $8.88156US $88.82
30+US $6.90788US $207.24
100+US $5.67433US $567.43
500+US $5.42762US $2713.81
1000+US $4.93420US $4934.20

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  • Description
  • Alternatives
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Description
[UNITRODE]
The CMOS bq3285 is a low-power microprocessor peripheral providing a time-of-day clock and 100-year calendar with alarm features and battery operation. Other features include three maskable interrupt sources, square wave output, and 114 bytes of general nonvolatile storage.
Features➤ Direct clock/calendar replacement for IBM® AT-compatible computers and other applications➤ Functionally compatible with the DS1285 - Closely matches MC146818A pin configuration➤ 114 bytes of general nonvolatile storage➤ 160ns cycle time allows fast bus operation➤ Selectable Intel or Motorola bus timing➤ Less than 0.5µA load under battery operation➤ 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, with automatic leap-year adjustment➤ Time of day in seconds, minutes, and hours - 12- or 24-hour format - Optional daylight saving adjustment➤ Programmable square wave output➤ Three individually maskable interrupt event flags: - Periodic rates from 122µs to 500ms - Time-of-day alarm once per second to once per day - End-of-clock update cycle➤ 24-pin plastic DIP or SOIC
Alternatives

Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.

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