Rainbow Electronics ATF1508ASL - Manual (Page 11)

11
ATF1508AS(L)
0784O–PLD–09/02
PCI Compliance
The ATF1508AS also supports the growing need in the industry to support the new Peripheral
Component Interconnect (PCI) interface standard in PCI-based designs and specifications.
The PCI interface calls for high current drivers, which are much larger than the traditional TTL
drivers.
PCI Voltage-to-
current Curves
for +5V
Signaling in
Pull-up Mode
PCI Voltage-to-
current Curves
for +5V
Signaling in
Pull-down Mode
2.4
VCC
1.4
-2 -44 -178
Current (mA)
AC drive
point
DC
drive point
Voltage
Pull Up
Test Point
2.2
VCC
0.55
3,6 95 380
Current (mA)
AC drive
point
DC
drive point
Voltage
Pull Down
Test Point