(Hong Kong)
Product Summary
The BQ3285S is a low-power microprocessor peripheral providing a time-of-day clock and 100-year calendar with alarm features and battery operation. Other features of the BQ3285S include three maskable interrupt sources, square wave output, and 114 bytes of general nonvolatile storage.
Parametrics
BQ3285S absolute maximum ratings: (1)VCC DC voltage applied on VCC relative to VSS: -0.3 to 7.0 V; (2)VT, DC voltage applied on any pin excluding VCC; (3)relative to VSS: -0.3 to 7.0 V; (4)TOPR Operating temperature: 0 to +70℃ ; (5)TSTG Storage temperature: -55 to +125℃; (6)TBIAS Temperature under bias: -40 to +85℃; (7)TSOLDER Soldering temperature: 260℃.
Features
BQ3285S features: (1)Direct clock/calendar replace-ment for IBM AT-compatible computers and other applications; (2)Functionally compatible with the DS1285 - Closely matches MC146818A pin configuration; (3)114 bytes of general nonvolatile storage; (4)160ns cycle time allows fast bus operation; (5)Selectable Intel or Motorola bus timing; (6)Less than 0.5μA load under battery operation; (7)14 bytes for clock/calendar and control; (8)BCD or binary format for clock and calendar data.
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||||||||||
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 BQ3285S-SB2 |
Texas Instruments |
Real Time Clock RTC IC with 114x8 NVSRAM |
Data Sheet |
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BQ3285S-SB2G4 |
Texas Instruments |
Real Time Clock RTC IC with 114x8 NVSRAM |
Data Sheet |
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BQ3285S-SB2TRG4 |
Texas Instruments |
Real Time Clock RTC IC with 114x8 NVSRAM |
Data Sheet |
Negotiable |
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BQ3285S-SB2TR |
Texas Instruments |
Real Time Clock RTC IC with 114x8 NVSRAM |
Data Sheet |
Negotiable |
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