MT48LC4M32B2B5-6 Ver la hoja de datos (PDF) - Micron Technology

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componentes Descripción

Fabricante

MT48LC4M32B2B5-6

1 Meg x 32 x 4 Banks SDR SDRAM

Micron Technology 

128Mb: x32 SDRAM

Features

Contents

General Description ......................................................................................................................................... 7

Automotive Temperature .............................................................................................................................. 7

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

Pin and Ball Assignments and Descriptions ....................................................................................................... 9

Package Dimensions ....................................................................................................................................... 12

Temperature and Thermal Impedance ............................................................................................................ 14

Electrical Specifications .................................................................................................................................. 17

Electrical Specifications – IDD Parameters ........................................................................................................ 18

Electrical Specifications – AC Operating Conditions ......................................................................................... 20

Functional Description ................................................................................................................................... 23

Commands .................................................................................................................................................... 24

COMMAND INHIBIT .................................................................................................................................. 24

NO OPERATION (NOP) ............................................................................................................................... 25

LOAD MODE REGISTER (LMR) ................................................................................................................... 25

ACTIVE ...................................................................................................................................................... 25

READ ......................................................................................................................................................... 26

WRITE ....................................................................................................................................................... 27

PRECHARGE .............................................................................................................................................. 28

BURST TERMINATE ................................................................................................................................... 28

REFRESH ................................................................................................................................................... 29

AUTO REFRESH ..................................................................................................................................... 29

SELF REFRESH ....................................................................................................................................... 29

Truth Tables ................................................................................................................................................... 30

Initialization .................................................................................................................................................. 35

Mode Register ................................................................................................................................................ 37

Burst Length .............................................................................................................................................. 39

Burst Type .................................................................................................................................................. 39

CAS Latency ............................................................................................................................................... 41

Operating Mode ......................................................................................................................................... 41

Write Burst Mode ....................................................................................................................................... 41

Bank/Row Activation ...................................................................................................................................... 42

READ Operation ............................................................................................................................................. 43

WRITE Operation ........................................................................................................................................... 52

Burst Read/Single Write .............................................................................................................................. 59

PRECHARGE Operation .................................................................................................................................. 60

Auto Precharge ........................................................................................................................................... 60

AUTO REFRESH Operation ............................................................................................................................. 72

SELF REFRESH Operation ............................................................................................................................... 74

Power-Down .................................................................................................................................................. 76

Clock Suspend ............................................................................................................................................... 77

PDF: 09005aef80872800

128mb_x32_sdram.pdf - Rev. U 04/13 EN

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Micron Technology, Inc. reserves the right to change products or specifications without notice.

© 2001 Micron Technology, Inc. All rights reserved.

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