Rcv56hcf pci/cardbus modem designer’s guide – Hayes Microcomputer Products RCV56HCF User Manual

Page 41

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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<Vin <2Vcc

±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<Vout <0.3Vcc

-12Vcc

mA

0.3Vcc<Vout <0.9Vcc

-17.1(Vout -Vout)

mA

0.7Vcc<Vout <Vcc

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.

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