DS1556 - Y2K-Compliant Timekeeping RAM

Dallas Semiconducotr

DS1556 Datasheet Preview — Preview of DS1556 PDF

Datasheet Details

Part number	DS1556
Manufacturer	Dallas Semiconducotr
File Size	206.26 KB
Description	Y2K-Compliant Timekeeping RAM
Datasheet	DS1556_DallasSemiconducotr.pdf

DS1556 Product details

Description

A0 A16 - Address Input DQ0 DQ7 IRQ/FT RST CE OE WE - Data Input/Outputs - Interrupt, Frequency Test Output (Open Drain) - Power-On Reset Output (Open Drain) - Chip Enable - Output Enable - Write Enable VCC - Power Supply Input GND - Ground N.C.- No Connection X1, X2 VBAT - Crystal Connection - Battery Connection ORDERING INFORMATION PART TEMP RANGE VOLTAGE (V) PIN-PACKAGE TOP MARK DS1556-70+ DS1556-70IND+ DS1556P-70+ DS1556P-70IND+ DS1556W-120+ DS155

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.

📁 DS1556 Similar Datasheet

DS15 - NPN Transistor (INCHANGE)
DS150DF1610 - 12.5 to 15 Gbps 16-Channel Retimer (Texas Instruments)
DS1511 - Y2K-Compliant Watchdog Real-Time Clocks (Maxim Integrated)
DS15BA101 - 1.5 Gbps Differential Buffer (Texas Instruments)
DS15BR400 - 4-Channel LVDS Buffer/Repeater (National Semiconductor)
DS15BR401 - 4-Channel LVDS Buffer/Repeater (Texas Instruments)
DS15EA101 - Adaptive Cable Equalizer (National Semiconductor)
DS15MB200 - Dual 1.5 Gbps 2:1/1:2 LVDS Mux/Buffer (National Semiconductor)

Other Datasheets by Dallas Semiconducotr

DS1553 - Year-2000-Compliant Timekeeping RAM
DS1554 - 256K NV Y2KC Timekeeping RAM
DS1557 - 4MEG NV Y2KC Timekeeping RAM
DS1558 - Watchdog Clock
DS1500 - Y2K Watchdog RTC
DS1501 - (DS1501 / DS1511) Y2K-Compliant Watchdog Real-Time Clocks

Published: Sep 21, 2005 |