EDS2504ACTA データシートの表示（PDF） - Elpida Memory, Inc

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EDS2504ACTA

256M bits SDRAM

Elpida Memory, Inc 

EDS2504ACTA/08ACTA/16ACTA, EDS2504APTA/08APTA/16APTA

CONTENTS

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

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

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

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

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

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

Block Diagram ............................................................................................................................................... 8

Pin Function ................................................................................................................................................ 13

Command Operation ................................................................................................................................... 15

Simplified State Diagram............................................................................................................................. 23

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

Power-up sequence .................................................................................................................................... 25

Operation of the SDRAM ............................................................................................................................ 26

Timing Waveforms ...................................................................................................................................... 42

Package Drawing ........................................................................................................................................ 48

Recommended Soldering Conditions.......................................................................................................... 49

Revision History .......................................................................................................................................... 52

Data Sheet E0110E30 (Ver. 3.0)

3

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