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