DS1747 - Y2K-Compliant / Nonvolatile Timekeeping RAMs

Dallas

The DS1747 by Dallas is a Y2K-Compliant / Nonvolatile Timekeeping RAMs. Below is the official datasheet preview.

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DS1747 Y2K-Compliant / Nonvolatile Timekeeping RAMs by Dallas - Datasheet Preview — Official preview page of the **DS1747** Y2K-Compliant / Nonvolatile Timekeeping RAMs datasheet (Dallas).

Datasheet Details

Part number	DS1747
Manufacturer	Dallas
File Size	340.34 KB
Description	Y2K-Compliant / Nonvolatile Timekeeping RAMs
Datasheet	DS1747_Dallas.pdf
Additional preview pages of the DS1747 datasheet.

DS1747 Product details

Description

A0 A18 CE OE WE VCC GND DQ0 DQ7 N.C. Address Input Chip Enable Output Enable Write Enable Power-Supply Input Ground Data Input/Output No Connection Power-On Reset Output (PowerCap Module board only) Crystal Connection Battery Connection ORDERING INFORMATION PART DS1747-70 DS1747-70IND DS1747P-70 DS1747P-70IND DS1747W-120 DS1747W-120IND DS1747WP-120 DS1747

Features

Integrated NV SRAM, Real-Time Clock (RTC), Crystal, Power-Fail Control Circuit, and Lithium Energy Source Clock Registers are Accessed Identically to the Static RAM. These Registers are Resident in the Eight Top RAM Locations. Century Byte Register (Y2K Compliant) Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power BCD-Coded Century, Year, Month, Date, Day, Hours, Minutes, and Seconds with Automatic Leap-Year Compensation Valid Up to the Year.

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Published: Aug 15, 2005 |