EDS1232AABB 查看數據表（PDF） - Elpida Memory, Inc

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EDS1232AABB

128M bits SDRAM

Elpida Memory, Inc 

EDS1232AABB, EDS1232AATA

CONTENTS

Description .................................................................................................................................................... 1

Features ........................................................................................................................................................ 1

Ordering Information ..................................................................................................................................... 2

Part Number.................................................................................................................................................. 2

Pin Configurations......................................................................................................................................... 3

Electrical Specifications ................................................................................................................................ 5

Block Diagram............................................................................................................................................. 10

Pin Function ................................................................................................................................................ 11

Command Operation................................................................................................................................... 12

Truth Table.................................................................................................................................................. 16

Simplified State Diagram ............................................................................................................................ 22

Programming Mode Registers .................................................................................................................... 23

Mode Register............................................................................................................................................. 24

Power-up sequence .................................................................................................................................... 27

Operation of the SDRAM ............................................................................................................................ 28

Timing Waveforms ...................................................................................................................................... 44

Package Drawing........................................................................................................................................ 51

Recommended Soldering Conditions ......................................................................................................... 53

Revision History .......................................................................................................................................... 56

Preliminary Data Sheet E0205E50 (Ver. 5.0)

4

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