Rainbow-electronics DS1258Y_AB Bedienungsanleitung PDF herunterladen (Seite 5)

DS1258Y/AB

100395 5/9

(V

CC

=5V ± 5% for DS1258AB)

AC ELECTRICAL CHARACTERISTICS (t

A

: See Note 10) (V

CC

=5V ± 10% for DS1258Y)

PARAMETER SYMBOL

DS1258Y–70

DS1258AB–70

DS1258Y–100

DS1258AB–100

UNITS NOTES

PARAMETER

SYMBOL

MIN MAX MIN MAX

UNITS

NOTES

Read Cycle Time t

RC

70 100 ns

Access Time t

ACC

70 100 ns

OE to Output Valid t

OE

35 50 ns

CE to Output Valid t

CO

70 100 ns

OE or CE to Output Valid t

COE

5 5 ns 5

Output High Z from Deselection t

OD

25 35 ns 5

Output Hold from Address

Change

t

OH

5 5 ns

Write Cycle Time t

WC

70 100 ns

Write Pulse Width t

WP

55 75 ns 3

Address Setup Time t

AW

0 0 ns

Write Recovery Time t

WR1

t

WR2

5

15

5

15

ns

ns

12

13

Output High Z from WE t

ODW

25 35 ns 5

Output Active from WE t

OEW

5 5 ns 5

Data Setup Time t

DS

30 40 ns 4

Data Hold Time t

DH1

t

DH2

0

10

0

10

ns

ns

12

13

READ CYCLE

t

RC

t

ACC

V

IH

V

IL

V

IH

V

IL

V

IH

V

IL

t

OH

V

IH

t

OD

t

OD

V

IH

V

OH

V

OL

V

OH

V

OL

t

COE

t

COE

OUTPUT

DATA VALID

D

OUT

OE

ADDRESSES

V

IH

V

IH

t

OE

V

IL

V

IL

CEU, CEL t

CO

SEE NOTE 1

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