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DS1557 Datasheet, Dallas Semiconducotr

DS1557 ram equivalent, 4meg nv y2kc timekeeping ram.

DS1557 Avg. rating / M : 1.0 rating-17

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DS1557 Datasheet

Features and benefits


* Integrated NV SRAM, Real-Time Clock (RTC), Crystal, Power-Fail Control Circuit, and Lithium Energy Source
* Clock Registers are Accessed Identically to the Stat.

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