DS17885 - (DS17886 / DS17887) 3V/5V Real-Time Clock

Product Overview

Dallas

Datasheet Details

Part number	DS17885
Manufacturer	Dallas
File Size	410.93 KB
Description	(DS17886 / DS17887) 3V/5V Real-Time Clock
Datasheet	DS17885 Datasheet
Additional preview pages of the DS17885 datasheet.

Product details

Description

DS17885XX-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 DS17887X-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.
8kB additional NV RAM.
RAM clear input.
Century regi.

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Published: Aug 15, 2005 |