Rainbow-electronics DS1248Y Bedienungsanleitung PDF herunterladen (Seite 8)

DS1248Y

032697 8/12

MEMORY READ CYCLE (NOTE 1)

t

RC

t

ACC

t

CO

t

OE

t

COE

t

COE

t

OH

t

OD

t

OD

OUTPUT

DATA VALID

V

IL

V

IH

V

IL

V

IH

V

IL

V

IH

V

IH

V

IL

V

IH

V

IH

V

IH

V

IL

V

OL

V

OH

V

OL

V

OH

ADDRESSES

CE

OE

D

OUT

MEMORY WRITE CYCLE 1 (NOTES 2, 6, AND 7)

t

WC

t

WR

V

IL

V

IH

V

IL

V

IH

V

IL

V

IH

V

IL

CE

V

IL

V

IL

V

IH

V

IL

V

IH

DATA IN

STABLE

t

WP

t

ODW

t

OEW

t

DH

t

DS

WE

ADDRESS

DQ0–DQ7

t

AW

V

IH

V

IH

HIGH IMPEDANCE

1 2 3 4 5 6 7 8 9 10 11 12

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