Rainbow-electronics DS1558Y Manual do Utilizador descarregar pdf (Página 14)

DS1558

14 of 18

WRITE CYCLE, AC CHARACTERISTICS

= +3.3V ±10% or +5V ±10%, T

= -40°C to +85°C)

= +5.0V ±10% V

= +3.3V ±10%

PARAMETER SYMBOL

MIN MAX MIN MAX

UNITS NOTES

Write Cycle Time t

70 120 ns

Address Access Time t

00ns

WE Pulse Width

WEW

50 100 ns

CE Pulse Width

CEW

60 110 ns

Data Setup Time t

30 80 ns

Data Hold Time t

DH1

5 5 ns 8

Data Hold Time t

DH2

5 5 ns 9

Address Hold Time t

AH1

5 0 ns 8

Address Hold Time t

AH2

5 5 ns 9

WE Data Off Time

WEZ

25 40 ns

Write Recovery Time t

510ns

Figure 6. WRITE CYCLE TIMING, WRITE-ENABLE CONTROLLED

1 2 ... 9 10 11 12 13 14 15 16 17 18

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Rainbow-electronics DS1558Y Manual do Utilizador Página 14