ADD8616A8A-75BA Ver la hoja de datos (PDF) - A-Data Technology

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componentes Descripción

Fabricante

ADD8616A8A-75BA

Double Data Rate SDRAM 4M x 16 Bit x 4 Banks

A-Data Technology 

A-Data

ADD8616A8A

Command Truth-Table

SYM.

Command

MRS Mode Register Set

NOP No Operation

ACT Bank Active

READ Read

READA Read with Auto Precharge

WRIT Write

WRITA Write with Auto Precharge

PREA Precharge All Bank

CKEn-1 CKEn /CS /RAS /CAS /WE DM ADDR A10/AP BS

H

X L L L L X CA CA L

H

X L HHH X

X

H

XL LHHX

V

V

L

H

XLHL HX V

V

H

L

H

XLHL L XV

V

H

H

XL LHL X X

H

X

BST Burst Stop

AREF Auto Refresh

SELF

SELEX Self Refresh

PD

Precharge

Power down

PDEX

Entry H

Exit L

Entry H

Exit L

H

XLHHL X

H

HLL LHX

L

LLL H

X

HXX X

H

X

LHH H

HXX X

L

X

LHH H

HXX X

H

X

LHH X

X

X

X

X

WDE

Enable H

X

XXX X

L

Data write

X

WDD

Disable H

X

XXX X

H

Rev 2 April, 2002

8

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