ProASIC3 DC and Switching Characteristics
tPY
PAD
Y
tDIN
DQ
CLK
DIN
To Array
tPY = MAX(tPY(R), tPY(F))
tDIN = MAX(tDIN(R), tDIN(F))
I/O Interface
VIH
PAD
Vtrip
Vtrip
VIL
VCC
Y
GND
50%
tPY
(R)
50%
tPY
(F)
DIN
GND
50%
tDOUT
(R)
VCC
50%
tDOUT
(F)
Figure 2-3 • Input Buffer Timing Model and Delays (example)
2-16
v1.3