M2V56S20AKT-5 View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

Manufacturer

M2V56S20AKT-5

256M Synchronous DRAM

MITSUBISHI ELECTRIC  

SDRAM (Rev.1.31)

Single Data Rate

Apr. '02

SIMPLIFIED STATE DIAGRAM

MITSUBISHI LSIs

M2V56S20/ 30/ 40 ATP

M2V56S20/ 30/ 40 AKT

256M Synchronous DRAM

POWER

APPLIED

POWER

ON

PREA

PRE

CHARGE

ALL

REFA

( 2 or MORE ) AUTO

REFRESH

MRS

MODE

REGISTER

SET

MRS

SELF

REFRESH

REFS

REFSX

IDLE

REFA

AUTO

REFRESH

CLK

SUSPEND

ACT

CKEL

CKEH

CKEL

CKEH

POWER

DOWN

TBST

WRITE

ROW

ACTIVE

TBST

READ

CKEL

WRITE

SUSPEND CKEH

WRITE

WRITEA READA

READ

WRITE

READ

CKEL READ

SUSPEND

CKEH

WRITEA

WRITEA READA

READA

CKEL

WRITEA

WRITEA

SUSPEND CKEH

PRE

PRE

PRE

CKEL

READA

READA

CKEH SUSPEND

PRE

CHARGE

Automatic Sequence

Command Sequence

MITSUBISHI ELECTRIC

14

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