IS61C25616AL データシートの表示（PDF） - Integrated Silicon Solution

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IS61C25616AL

256K x 16 HIGH-SPEED CMOS STATIC RAM

Integrated Silicon Solution 

IS61C25616AL IS61C25616AS

IS64C25616AL IS64C25616AS

AC WAVEFORMS

WRITE CYCLE NO. 1 (WE Controlled)(1,2)

t WC

ADDRESS

t SA

CE

WE

VALID ADDRESS

t SCE

t HA

t AW

t PWE1

t PWE2

t PBW

UB, LB

DOUT

DATA UNDEFINED

t HZWE

HIGH-Z

t LZWE

t SD

t HD

DIN

DATAIN VALID

UB_CEWR1.eps

Notes:

1. WRITE is an internally generated signal asserted during an overlap of the LOW states on the CE and WE inputs and at least

one of the LB and UB inputs being in the LOW state.

2. WRITE = (CE) [ (LB) = (UB) ] (WE).

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

9

Rev. C

03/21/2008

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