GM72V66841CT-7J データシートの表示（PDF） - LG

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GM72V66841CT-7J

2,097,152 WORD x 8 BIT x 4 BANK SYNCHRONOUS DYNAMIC RAM

LG 

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64M SDRAM Function State Diagram

GM72V66841CT/CLT

MODE

MRS

REGISTER

SET

ACTIVE

Clock

SUSPEND

CKE=H

BST

(on full page)

Write

WRITE

IDLE

CKE=L

ROW

ACTIVE

SELF-

REFRESH

SR ENTRY

SR EXIT

*1

REFRESH

AUTO-

CKE=L

REFRESH

CKE=H

IDLE

Power

DOWN

READ

BST

(on full page)

Read

WRITE

SUSPEND

CKE=L

WRITE

CKE=H

WRITE

WITH AP

WRITEA

SUSPEND

CKE=L

WRITEA

CKE=H

READ

WRIETAHDAP

WRITE

WWRIITTHE AP

CKE=L

READ

READ

SUSPEND

CKE=H

READ

WITH AP

READA

CKE=L

READA

SUSPEND

CKE=H

Power

APPLIED

Power

ON

Precharge

PRE-

CHARGE

Automatic Transition after completion of command.

Transition resulting from command input.

Note: 1. After the auto-refresh operation, Precharge is performed automatically and enter the IDLE state.

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