DS1554 - 256K NV Y2KC Timekeeping RAM

Product Overview

Dallas Semiconducotr

Datasheet Details

Part number	DS1554
Manufacturer	Dallas Semiconducotr
File Size	386.63 KB
Description	256K NV Y2KC Timekeeping RAM
Datasheet	DS1554 Datasheet
Additional preview pages of the DS1554 datasheet.

Product details

Description

A0 A14 - Address Inputs DQ0 DQ7 IRQ/FT RST - Data Input/Outputs - Interrupt, Frequency Test Output (Open Drain) - Power-On Reset Output (Open Drain) CE - Chip Enable OE - Output Enable WE - Write Enable VCC - Power-Supply Input GND - Ground N.C.- No Connection X1, X2 - Crystal Connection VBAT - Battery Connection ORDERING INFORMATION PART DS1554-70+ DS1554-70IND+ DS1554P-70+ DS1554P-70IND+ DS1554W-120+ DS1554W-120IND+ DS1554WP-120+ DS1554WP-120IND+ TEMP RAN

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 Reside in the 16 Top RAM Locations.
Century Byte Register (i. e. , Y2K Compliant).
Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power.
Precision Power-On Reset.
Programmable Watchdog Timer and RTC Alarm.
BCD-Coded Year, Month, Date, Day, Hours, Minutes, and.

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Published: Sep 21, 2005 |