Hayes Microcomputer Products RCV56HCF - Manual (Page 41)

RCV56HCF PCI/CardBus Modem Designer’s Guide
1129 ROCKWELL PROPRIETARY INFORMATION 3-19
3.2.2 PCI Bus
Table 3-7 summarizes the PCI DC specifications for 3.3V signaling.
Table 3-8 summarizes the PCI AC specifications for 3.3V signaling.
Table 3-7. PCI Bus DC Specifications for 3.3V Signaling
Symbol Parameter Condition Min Max Units Notes
Vcc Supply Voltage 3.0 3.6 V
Vih Input High Voltage 0.5Vcc Vcc +0.5 V
Vil Input Low Voltage -0.5 0.3Vcc V
Vipu Input Pull-up Voltage 0.7VCC V
Iil Input Low Leakage Current 0 ±10
µ
A
Voh Output High Voltage Iout = -0.5 mA 0.9Vcc V
Vol Output Low Voltage Iout = 1.5 mA 0.1Vcc V
Cin Input Pin Capacitance 10 pF
Cclk CLK Pin Capacitance 5 12 pF
CIDSEL IDSEL Pin Capacitance 8 pF
Lpin Pin Inductance 20 nH
Table 3-8. PCI Bus AC Specifications for 3.3V Signaling
Symbol Parameter Condition Min Max Units Notes
IOH(AC) Switching Current High 0 -12Vcc mA
0.3Vcc -17.1(Vout -Vout) mA
0.7Vcc Equation C
(Test Point) Vout = 0.7Vcc -32Vcc mA
IOL(AC) Switching Current Low Vout > Vout>0.6Vcc 16Vcc mA
0.6Vcc>Vout> 0.1Vcc Vout /0.023 mA
0.18Vcc>Vout >0 Equation D
(Test Point) Vout = 0.18Vcc 38Vcc mA
Icl Low Clamp Current -3 < Vin
≤−
1 -25+(Vin +1)/0.015 mA
Ich High Clamp Current Vcc+4 > Vin > Vcc+1 25+(Vin -Vcc +1)/0.015 mA
slew r Output Rise Slew Rate 0.2Vcc - 0.6Vcc load 1 5 V / ns
slew f Output Fall Slew Rate 0.6Vcc - 0.2Vcc load 1 5 V / ns
Notes:
Equation C: Ioh = (0.98/Vcc) * (Vout - Vcc) * (Vout + 0.4Vcc) for Vcc > Vout > 0.7Vcc.
Equation D: Iol = (256/Vcc) * Vout * (Vcc - Vout) for 0V < Vout < 0.18Vcc.
See PCI Bus Specification for complete details.