82551QM Datasheet, PDF (102/120 Pages) Intel Corporation – Fast Ethernet Multifunction PCI/CardBus Controller

82551QM — Networking Silicon
Figure 25. Input Timing Measurement Conditions
CLK
INPUT
V_th
V_tl
V_test
T_su
T_h
V_th
V_tl
V_test
inputs
valid
V_test V_max
Table 76. Measure and Test Condition Parameters
Symbol
V_th
V_tl
V_test
V_step (rising edge)
V_step (falling edge)
V_max
Input Signal Edge
Rate
PCI Level
0.6V_CC
0.2V_CC
0.4V_CC
0.285V_CC
0.615V_CC
0.4V_CC
1
CardBus Level Units Notes
0.6V_CC
0.2V_CC
0.4V_CC
0.325V_CC
0.475V_CC
0.475V_CC
0.325V_CC
0.4V_CC
V
V
V
V Min Delay
V Max Delay
V Min Delay
V Max Delay
V
1
V/ns
NOTE: Input test is done with 0.1V_CC overdrive. V_max specifies the maximum peak-to-peak waveform allowed
for testing input timing.
96
Datasheet