Product Summary

The BQ32000DR 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 BQ32000DR include three maskable interrupt sources, square wave output, and 114 bytes of general nonvolatile storage.

Parametrics

BQ32000DR 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

BQ32000DR 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

BQ32000DR block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
BQ32000DR
BQ32000DR
Texas Instruments
Real Time Clock Serial RTC
Data Sheet
0-1: $1.43
1-25: $1.16
25-100: $1.04
100-250: $0.90
Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
BQ32000D
BQ32000D
Texas Instruments
Real Time Clock Serial RTC
Data Sheet
0-1: $1.51
1-25: $1.22
25-100: $1.10
100-250: $1.00
BQ32000DR
BQ32000DR
Texas Instruments
Real Time Clock Serial RTC
Data Sheet
0-1: $1.43
1-25: $1.16
25-100: $1.04
100-250: $0.90
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