Programming waveform, Timing waveforms, continued – Rainbow Electronics W27E040 User Manual

Page 9

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W27E040

Publication Release Date: May 1997

- 9 -

Revision A1

Timing Waveforms, continued

Programming Waveform

Address

Data

12.0V

5.0V

CE

Address Stable

Program

Read

Verify

Address Stable

Address Valid

Verify

Data In Stable

5V

Program

D

OUT

T

AH

D

OUT

D

OUT

T

DH

T

DS

T

VPS

T

ACC

T

DFP

T

AS

V

IH

V

IL

V

IH

V

IL

V

PP

OE

T

OES

T

OEV

T

OE

V

IH

V

IL

T

PWP

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