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DS1554

256K NV Y2KC Timekeeping RAM

DS1554 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 Nonvola

DS1554 General 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.

DS1554 Datasheet (386.63 KB)

Preview of DS1554 PDF

Datasheet Details

Part number:

DS1554

Manufacturer:

Dallas Semiconducotr

File Size:

386.63 KB

Description:

256k nv y2kc timekeeping ram.

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DS1554 256K Y2KC Timekeeping RAM Dallas Semiconducotr

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