Intel PCI-7200 Bedienungsanleitung PDF herunterladen (Seite 37)

Operation Theorem

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27

4.5 Timing Characteristic

1. I_REQ as input data strobe (Rising Edge Active)

t

h

≥ 60ns t

I

≥ 60ns t

CYC

≥ 5 PCI CLK Cycle

t

s

≥ 2ns t

n

≥ 30ns

2. I_REQ as input data strobe (Falling Edge Active)

t

s

valid data

D10~DI31

tn

valid data

IN_R I_REQ

t

cyc

t

lth

t

h

≥ 60ns t

I

≥ 60ns t

CYC

≥ 5 PCI CLK Cycle

t

s

≥ 2ns t

n

≥ 30ns

IN_ I_REQ

t

l

t

cyc

th

t

s

valid data

D10~DI31

tn

valid data

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