UPD43256B-X Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD43256B-X

256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT EXTENDED TEMPERATURE OPERATION

NEC => Renesas Technology 

μPD43256B-X

Write Cycle Timing Chart 2 (/CS Controlled)

Address (Input)

/CS (Input)

/WE (Input)

tWC

tAS

tCW

tAW

tWP

tWR

I/O (Input)

High impedance

tDW

Data in

tDH

High

impedance

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

2. When I/O pins are in the output state, do not apply to the I/O pins signals that are

opposite in phase with output signals.

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

Data Sheet M11012EJ6V0DS

13

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