EDS1232AASE 데이터 시트보기 (PDF) - Elpida Memory, Inc

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EDS1232AASE

128M bits SDRAM(4M words ×32 bits)

Elpida Memory, Inc 

EDS1232AASE

CONTENTS

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

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

Pin Configurations .........................................................................................................................................1

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

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

Electrical Specifications.................................................................................................................................4

Block Diagram ...............................................................................................................................................9

Pin Function.................................................................................................................................................10

Command Operation ...................................................................................................................................11

Truth Table ..................................................................................................................................................15

Simplified State Diagram .............................................................................................................................21

Programming Mode Registers.....................................................................................................................22

Mode Register .............................................................................................................................................23

Power-up sequence.....................................................................................................................................26

Operation of the SDRAM.............................................................................................................................27

Timing Waveforms.......................................................................................................................................43

Package Drawing ........................................................................................................................................50

Recommended Soldering Conditions ..........................................................................................................51

Data Sheet E0350E20 (Ver. 2.0)

3

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