DS17285 - DS17287 / 3V/5V Real-Time Clock

Dallas

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Datasheet Details

Part number	DS17285
Manufacturer	Dallas
File Size	411.01 KB
Description	DS17287 / 3V/5V Real-Time Clock
Datasheet	DS17285_Dallas.pdf

DS17285 Product details

Description

DS17285XX-X RTC Chip 3 5 +3V operating range +5V operating range blank commercial temp range N industrial temp range blank 24-pin DIP E 28- pin TSOP S 24- pin SO DS17287X-X RTC Module; 24-pin DIP 3 5 +3V operating rang +5V operating range blank commercial temp range N industrial PIN DESCRIPTION X1 X2 RCLR AD0 AD7 PWR KS CS ALE WR RD IRQ SQW VCC GND VBAT VBAUX NC Crystal Input Crystal Output RAM Clear Input Multiplexed Address/Data Bus Power-On Interrupt Output (Open Drain) Kickstart I

Features

Incorporates industry standard DS1287 PC clock plus enhanced features:.
Y2K compliant.
+3V or +5V operation.
SMI recovery stack.
64-bit silicon serial number.
Power-control circuitry supports system power-on from date/time alarm or key closure.
32kHz output on power-up.
Crystal select bit allows RTC to operate with 6pF or 12.5pF crystal.
114 bytes user NV RAM.
Auxiliary battery input.
2kB additional NV RAM.
RAM clear input.
Century regi.

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Published: Aug 15, 2005 |