EDS1232AATA-75MI View Datasheet(PDF) - Elpida Memory, Inc

Part Name

Description

View to exact match

EDS1232AATA-75MI

128M bits SDRAM WTR (Wide Temperature Range)

Elpida Memory, Inc 

EDS1232AATA-MI

Truth Table

Command Truth Table

CKE

BA0,

A9 - A0,

Function

Symbol

n–1 n

/CS /RAS /CAS /WE BA1 A10 A11

Device deselect

DESL

H

×

H

×

×

×

×

×

×

No operation

NOP

H

×

Burst stop

BST

H

×

Read

READ

H

×

Read with auto precharge

READA

H

×

Write

WRIT

H

×

EWrite with auto precharge

WRITA

H

×

Bank activate

ACT

H

×

Precharge select bank

PRE

H

×

Precharge all banks

PALL

H

×

OMode register set

MRS

H

×

Remark: H: VIH. L: VIL. ×: VIH or VIL, V = Valid data

L DQM Truth Table

L

L

L

L

L

L

L

L

L

L

H

H

H

H

H

H

L

L

L

L

H

H

L

L

L

L

H

H

H

L

H

L

H

H

L

L

H

L

L

L

×

×

V

V

V

V

V

V

×

L

×

×

L

H

L

H

V

L

H

L

×

×

V

V

V

V

V

×

×

V

Function

Data write / output enable

Data mask / output disable

DQ0 to DQ7 write enable/output enable

P DQ8 to DQ15 write enable/output enable

DQ16 to DQ23 write enable/output enable

DQ24 to DQ31 write enable/output enable

DQ0 to DQ7 write inhibit/output disable

r DQ8 to DQ15 write inhibit/output disable

DQ16 to DQ23 write inhibit/output disable

o DQ24 to DQ31 write inhibit/output disable

duct Remark: H: VIH. L: VIL. ×: VIH or VIL

Symbol

ENB

MASK

ENB0

ENB1

ENB2

ENB3

MASK0

MASK 1

MASK 2

MASK 3

CKE

n–1 n

H

×

H

×

H

×

H

×

H

×

H

×

H

×

H

×

H

×

H

×

DQM

0

1

2

3

L

L

L

L

H

H

H

H

L

×

×

×

×

L

×

×

×

×

L

×

×

×

×

L

H

×

×

×

×

H

×

×

×

×

H

×

×

×

×

H

Data Sheet E0340E30 (Ver. 3.0)

15

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