IS42S16128-12T データシートの表示（PDF） - Integrated Silicon Solution

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IS42S16128-12T

128K Words x 16 Bits x 2 Banks (4-MBIT) SYNCHRONOUS DYNAMIC RAM

Integrated Silicon Solution 

IS42S16128

SIMPLIFIED STATE TRANSITION DIAGRAM (One Bank Operation)

ISSI ®

MODE

REGISTER

SET

MRS

SELF

REFRESH

SREF entry

SREF exit

REF

AUTO

IDLE

REFRESH

CKE_

CKE

ACT

IDLE

POWER

DOWN

CKE_

ACTIVE

POWER

DOWN

CKE

BANK

BST

ACTIVE

BST

WRIT

CKE_

WRIT

WRITE

WRITA

READ

READ

READA

WRIT

READ

READ

CKE_

CLOCK

SUSPEND

CKE

WRITA

CKE_

CKE

WRITE WITH

AUTO

PRECHARGE

WRITA

PRE

PRE

READA

PRE

READA CKE

CKE_

CLOCK

SUSPEND

READ WITH

CKE

AUTO

PRECHARGE

POWER APPLIED

PRE

POWER ON

PRE-

CHARGE

Automatic transition following the

completion of command execution.

Transition due to command input.

18

Integrated Silicon Solution, Inc. — 1-800-379-4774

Rev. A

03/13/00

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