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IS42S83200B,

IS42S16160B

FUNCTIONAL TRUTH TABLE Continued:

Current State

Read with auto

Precharging

CS

H

L

L

L

L

L

L

L

L

Write with Auto

Precharge

H

L

L

L

L

L

L

L

L

Precharging

H

L

L

L

L

L

L

L

L

Row Activating

H

L

L

L

L

L

L

L

L

RAS CAS

脳

H

H

H

H

L

L

L

L

脳

H

H

H

H

L

L

L

L

脳

H

H

H

H

L

L

L

L

脳

H

H

H

H

L

L

L

L

脳

H

H

L

L

H

H

L

L

脳

H

H

L

L

H

H

L

L

脳

H

H

L

L

H

H

L

L

脳

H

H

L

L

H

H

L

L

WE

脳

H

L

H

L

H

L

H

L

脳

H

L

H

L

H

L

H

L

脳

H

L

H

L

H

L

H

L

脳

H

L

H

L

H

L

H

L

Address

脳

x

脳

BA, CA, A10

BA, CA, A10

BA, RA

BA, A10

脳

OC, BA

脳

脳

脳

BA, CA, A10

BA, CA, A10

BA, RA

BA, A10

脳

OC, BA

脳

脳

脳

BA, CA, A10

BA, CA, A10

BA, RA

BA, A10

脳

OC, BA

脳

脳

脳

BA, CA, A10

BA, CA, A10

BA, RA

BA, A10

脳

OC, BA

Command

DESL

NOP

BST

READ/READA

WRIT/ WRITA

ACT

PRE/PALL

REF/SELF

MRS

DESL

NOP

BST

READ/READA

WRIT/ WRITA

ACT

PRE/PALL

REF/SELF

MRS

DESL

NOP

BST

READ/READA

WRIT/WRITA

ACT

PRE/PALL

REF/SELF

MRS

DESL

NOP

BST

READ/READA

WRIT/WRITA

ACT

PRE/PALL

REF/SELF

MRS

Action

Continue burst to end, Precharge

Continue burst to end, Precharge

ILLEGAL

ILLEGAL

(11)

ILLEGAL

(11)

ILLEGAL

(3)

ILLEGAL

(11)

ILLEGAL

ILLEGAL

Continue burst to end, Write

recovering with auto precharge

Continue burst to end, Write

recovering with auto precharge

ILLEGAL

ILLEGAL

(11)

ILLEGAL

(11)

ILLEGAL

(3,11)

ILLEGAL

(3,11)

ILLEGAL

ILLEGAL

Nop, Enter idle after tRP

Nop, Enter idle after tRP

Nop, Enter idle after tRP

ILLEGAL

(3)

ILLEGAL

(3)

ILLEGAL

(3)

Nop Enter idle after tRP

ILLEGAL

ILLEGAL

Nop, Enter bank active after tRCD

Nop, Enter bank active after tRCD

Nop, Enter bank active after tRCD

ILLEGAL

(3)

ILLEGAL

(3)

ILLEGAL

(3,9)

ILLEGAL

(3)

ILLEGAL

ILLEGAL

Note: H=V

IH

, L=V

IL

x= V

IH

or V

IL

, V = Valid Data, BA= Bank Address, CA+Column Address, RA=Row Address, OC= Op-Code

Integrated Silicon Solution, Inc. 鈥?www.issi.com

Rev. C

03/13/07

11

prev next

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