DS1554 - 256K NV Y2KC Timekeeping RAM

Dallas Semiconducotr

The DS1554 by Dallas Semiconducotr is a 256K NV Y2KC Timekeeping RAM. Below is the official datasheet preview.

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DS1554 256K NV Y2KC Timekeeping RAM by Dallas Semiconducotr - Datasheet Preview — Official preview page of the **DS1554** 256K NV Y2KC Timekeeping RAM datasheet (Dallas Semiconducotr).

Datasheet Details

Part number	DS1554
Manufacturer	Dallas Semiconducotr
File Size	386.63 KB
Description	256K NV Y2KC Timekeeping RAM
Datasheet	DS1554_DallasSemiconducotr.pdf
Additional preview pages of the DS1554 datasheet.

DS1554 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 |