Rainbow-electronics AT49F1025 Manual do Utilizador descarregar pdf (Página 8)

8

AT49F1024/1025

0765I–05/01

AC Word Load Waveforms

WE Controlled

CE

Controlled

AC Word Load Characteristics

Symbol Parameter Min Max Units

t

AS

, t

OES

Address, OE Setup Time 0 ns

t

AH

Address Hold Time 50 ns

t

CS

Chip Select Setup Time 0 ns

t

CH

Chip Select Hold Time 0 ns

t

WP

Write Pulse Width (WE or CE)50ns

t

DS

Data Setup Time 50 ns

t

DH

, t

OEH

Data, OE Hold Time 0 ns

t

WPH

Write Pulse Width High 40 ns

t

DH

t

DS

t

AS

t

AH

t

WP

CE

ADDRESS

DATA IN

OE

t

OES

t

OEH

WE

t

CS

t

CH

t

WPH

t

DH

t

DS

t

AS

t

AH

t

WP

WE

ADDRESS

DATA IN

OE

t

OES

t

OEH

CE

t

CS

t

CH

t

WPH

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