Program cycle timing diagram, Polling timing diagram – Rainbow Electronics W49F002U User Manual

Page 17

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W49F002U

Publication Release Date: April 2000

- 17 -

Revision A2

Timing Waveforms, continued

Program Cycle Timing Diagram

Address A17-0

Byte 0

Byte 1

Byte 2

Internal Write Start

DQ7-0

CE

OE

WE

Byte Program Cycle

T

BP

T

WPH

T

WP

5555

5555

2AAA

AA

A0

55

Address

Data-In

Byte 3

DATA

Polling Timing Diagram

Address A17-0

DQ7

WE

OE

CE

X

X

X

X

T

CEP

T

OEH

T

OEP

T

OES

T

EC

T

BP or

An An An

An

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