M2V56S20AKT-5L View Datasheet(PDF) - Mitsumi

Part Name

Description

Manufacturer

M2V56S20AKT-5L

256M Synchronous DRAM

Mitsumi 

SDRAM (Rev.1.01)

Single Data Rate

July '01

MITSUBISHI LSIs

M2V56S20/ 30/ 40 AKT -5, -6, -7

256M Synchronous DRAM

[ Write with Auto-Precharge Interrupted by Write / Read to another Bank ]

Burst write with auto-precharge can be interrupted by write or read to another bank. Next ACT

comand can be issued after (BL+tWR-1+tRP) from the WRITEA. Auto-precharge interruption by a

command to the same bank is inhibited.

WRITEA interrupted by WRITE to another bank (BL=4)

CLK

Command

Write

Write

BL

A0-9,11-12

Ya

Yb

tWR

A10

1

0

ACT

tRP

Xa

Xa

BA0-1

00

10

00

DQ

Da0 Da1 Db0 Db1 Db2 Db3

auto-precharge interrupted

activate

WRITEA interrupted by READ to another bank (CL=2, BL=4)

CLK

Command

A0-9,11-12

A10

Write

Ya

1

Read

BL

Yb

0

tWR

ACT

tRP

Xa

Xa

BA0-1

00

10

00

DQ

Da0 Da1

Qb0 Qb1 Qb2 Qb3

auto-precharge interrupted

activate

MITSUBISHI ELECTRIC

23

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