Rainbow-electronics DS1642 Manual do Utilizador descarregar pdf (Página 7)

DS1642

7 of 11

WRITE CYCLE, AC CHARACTERISTICS (0°C to 70°C; VCC = 5.0V ± 10%)

70 ns access 100 ns access

PARAMETER SYMBOL

MIN MAX MIN MAX

UNITS NOTES

Write Cycle Time t

WC

70 100 ns

Address Setup Time

t

AS

0 0 ns

WE

Pulse Width

t

WEW

50 70 ns

CE

Pulse Width

t

CEW

60 75 ns

Data Setup Time

t

DS

30 40 ns

Data Hold Time

t

DH

0 0 ns

Address Hold Time

t

AH

5 5 ns

WE

Data Off Time

t

WEZ

25 35 ns

Write Recovery Time

t

WR

5 5 ns

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