DS1643P - Nonvolatile Timekeeping RAMs

Product Overview

Maxim Integrated Products

Datasheet Details

Part number	DS1643P
Manufacturer	Maxim Integrated Products
File Size	254.49 KB
Description	Nonvolatile Timekeeping RAMs
Datasheet	DS1643P Datasheet
Additional preview pages of the DS1643P datasheet.

Product details

Description

PDIP 1 2 3 4 5 6 7 8 9 10 21 23 24 25 11 12 13 15 16 17 18 19 20 22 26 27 28 14 PIN PowerCap 1, 2, 3, 31 34 30 25 24 23 22 21 20 19 18 28 29 27 26 16 15 14 13 12 11 10 9 8 7 6 5 4 17 NAME N.C.

Features

Integrated NV SRAM, Real-Time Clock, Crystal, Power-Fail Control Circuit and Lithium Energy Source.
Clock Registers are Accessed Identically to the Static RAM. These Registers Reside in the Eight Top RAM Locations.
Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power.
Access Times of 85ns and 100ns.
BCD-Coded Year, Month, Date, Day, Hours, Minutes, and Seconds with Leap Year Compensation Valid Up to 2100.
Power-Fail Write Protection Allows f.

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Published: Jul 19, 2010 |