Rainbow-electronics DS1286 Manual de usuario descargar pdf (Pagina 9)

DS1286

9 of 13

AC ELECTRICAL CHARACTERISTICS (0°C to 70°C; V

CC

= 4.5V to 5.5V)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Read Cycle Time t

RC

150 ns 1

Address Access Time t

ACC

150 ns

CE Access Time

t

CO

150 ns

OE Access Time

t

OE

60 ns

OE or CE to Output Active

t

COE

10 ns

Output High Z from Deselect t

OD

60 ns

Output Hold from Address Change t

OH

10 ns

Write Cycle Time t

WC

150 ns

Write Pulse Width t

WP

140 ns 3

Address Setup Time t

AW

0ns

Write Recovery Time t

WR

10 ns

Output High Z from WE

t

ODW

50 ns

Output Active from WE

t

OEW

10 ns

Data Setup Time t

DS

45 ns 4

Data Hold Time t

DH

0 ns 4,5

INTA , INTB Pulse Width

t

IPW

3 ns 11,12

READ CYCLE (NOTE 1)

WRITE CYCLE 1 (Notes 2, 6, 7)

1 2 3 4 5 6 7 8 9 10 11 12 13

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