Intel 82540EP User Manual

Page 30

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82540EP — Networking Silicon

24

Datasheet

Figure 4. PCI Bus Interface Input Timing Measurement Conditions

V

TH

V

TL

V

TEST

PCI_CLK

T

SU

V

TEST

Input

V

MAX

V

TEST

V

TL

V

TH

Input
Valid

T

H

Table 16. PCI Bus Interface Timing Measurement Conditions

Symbol

Parameter

PCI 66 MHz

3.3 v

Unit

VTH

Input measurement test voltage (high)

0.6*VCC

V

VTL

Input measurement test voltage (low)

0.2*VCC

V

VTEST

Output measurement test voltage

0.4*VCC

V

Input signal slew rate

1.5

V/ns

Figure 5. TVAL (max) Rising Edge Test Load

10 pF

25

Pin

Test

Point

1/2 inch max.

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