DS1251 Overview
(Must be ordered separately.) et4U. DESCRIPTION The DS1251 4096k NV SRAM with Phantom Clock is a fully static nonvolatile RAM (organized as 512k words by 8 bits) with a built-in real-time clock. The DS1251Y has a self-contained lithium energy source.
DS1251 Key Features
- PIN ASSIGNMENT
- Standard 32-pin JEDEC pinout 33 2 A15 32 3 A16
- Replaceable battery (PowerCap) 22 13 DQ3 21 14 DQ2
- IND Industrial
- 70 70ns access blank 32-Pin DIP Module 34-Pin PowerCap Module board
- IND Industrial
- 120 120ns access P blank 32-Pin DIP Module 34-Pin PowerCap Module board
- Address Inputs
- Chip Enable
- Output Enable