LU82551QM 860611 Intel, LU82551QM 860611 Datasheet - Page 100

• Manufacturer Part Number: LU82551QM 860611
• Manufacturer: Intel

Specifications of LU82551QM 860611

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 196
• Lead Free Status / RoHS Status: Compliant

82551QM — Networking Silicon
12.4
12.4.1
12.4.1.1
94
Table 73. AC Specifications for CardBus Signaling
Figure 23. PCI/CardBus Clock Waveform
Table 74. PCI/CardBus Clock Specifications
Timing Specifications
Clocks Specifications
PCI/CardBus Clock Specifications
The 82551QM uses the PCI Clock signal directly.
required measurement points for the PCI Clock signal.
specifications.
NOTES:
1. The 82551QM will work with any PCI clock frequency up to 33 MHz.
2. Rise and fall times are specified in terms of the edge rate measured in V/ns. This slew rate is met across the
t
t
T1
T2
T3
T4
RCB
FCB
Symbol
minimum peak-to-peak portion of the clock waveform as shown in
0.325V
T
T
T
T
cyc
slew
high
low
0.4V
0.475V
Symbol
CC
CardBus Output
Rise Time
CardBus Output
Fall Time
CC
Parameter
CC
CLK Cycle Time
CLK High Time
CLK Low Time
CLK Slew Rate
T_high
0.6V
0.2V
0.6V
Parameter
CC
CC
CC
Condition
to 0.6V
to 0.2V
T_cyc
CC
CC
Min
30
11
11
1
0.2V
T_low
Figure 23
CC
0.25
0.25
Min
Table 74
Max
4
shows the clock waveform and
Figure
summarizes the PCI Clock
Units
V/ns
Max
23.
ns
ns
ns
1.0
1.0
0.4V
(minimum)
Units
Notes
V/ns
V/ns
CC
1
2
p-to-p
Notes
Datasheet