Rainbow Electronics DS1254 User Manual

Page 10

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DS1254

10 of 17

Figure 4. MEMORY READ CYCLE TIMING (Note 9)




















Figure 5. MEMORY WRITE CYCLE TIMING, WRITE ENABLE CONTROLLED

(Notes 5, 6, 8, 10, 11, 12, and 13)



























t

RC

ADDRESS

t

ACC

CE

OE

DQ0–DQ7

t

OH

t

CO

t

OE

t

COE

t

COE

t

OD

t

OD

OUTPUT

DATA VALID

t

WC

t

AH1

t

AW

t

OEW

t

DS

DATA IN
STABLE

t

DH1

t

ODW

t

WP

ADDRESS

CE

WE

DQ0–DQ7

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