UPD444001LE-11 datasheet(11/16 Pages) NEC

Part #	UPD444001LE-11

Description	4M-BIT CMOS FAST SRAM 4M-WORD BY 1-BIT

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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11

µµµµPD444001

Data Sheet M14947EJ4V0DS

Write Cycle Timing Chart 2 (/CS Controlled)

tWC

tAS

tCW

tAW

tWP

tWR

tDW

tDH

Data in

Address (Input)

/CS (Input)

/WE (Input)

DIN (Input)

DOUT (Output)

High impedance

Cautions 1. /CS or /WE should be fixed to high level during address transition.

2. Do not input data to DOUT while DOUT is in the output state.

Remark

Write operation is done during the overlap time of a low level /CS and a low level /WE.

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