DS1687 - (DS1685 / DS1687) 3V/5V Real-Time Clocks

Product Overview

Maxim Integrated Products

Part number	DS1687
Manufacturer	Maxim Integrated Products
File Size	460.14 KB
Description	(DS1685 / DS1687) 3V/5V Real-Time Clocks
Datasheet	DS1687 Datasheet
Note	This datasheet PDF includes multiple part numbers: DS1687, DS1685. Please refer to the document for exact specifications by model.
Additional preview pages of the DS1687 datasheet.

The DS1685/DS1687 are real-time clocks (RTC) designed as successors to the industry-standard DS1285, DS1385, DS1485, and DS1585 PC RTCs.

Incorporates Industry-Standard DS1287 PC Clock plus Enhanced Features Such as:.
Y2K Compliant.
+3V or +5V Operation.
64-Bit Silicon Serial Number.
Power-Control Circuitry Supports System PowerOn from Date/Time Alarm or Key Closure.
32kHz Output for Power Management.
Crystal-Select Bit Allows RTC to Operate with 6pF or 12.5pF Crystal.
SMI Recovery Stack.
242 Bytes Battery-Backed NV RAM.
Auxiliary Battery Input.

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Published: Apr 3, 2008 |