LU82541ER Intel, LU82541ER Datasheet - Page 29

• Manufacturer Part Number: LU82541ER
• Manufacturer: Intel

Specifications of LU82541ER

• Operating Supply Voltage (typ): 1.8/3.3V
• Operating Temperature Classification: Commercial
• Package Type: BGA
• Mounting: Surface Mount
• Pin Count: 196
• Lead Free Status / RoHS Status: Compliant

4.5
4.5.1
4.5.1.1
Table 18. PCI Bus Interface Clock Parameters
Timing Specifications
PCI Bus Interface
PCI Bus Interface Clock
Figure 2. AC Test Loads for General Output Pins
a. Rise and fall times are specified in terms of the edge rate measured in V/ns. This slew rate must be met across the
b. The minimum RST# slew rate applies only to the rising (de-assertion) edge of the reset signal and ensures that system
Figure 3. PCI Clock Timing
TCYC
TH
TL
Symbol
minimum peak-to-peak portion of the clock waveform as shown.
noise cannot render a monotonic signal to appear bouncing in the switching range.
3.3 V Clock
0.5 Vcc
0.4 Vcc
0.3 Vcc
CLK cycle time
CLK high time
CLK low time
CLK slew rate
RST# slew rate
Parameter
b
a
0.6 Vcc
Th
Tcyc
Min
1.5
15
50
6
6
PCI 66 MHz
0.2 Vcc
PCI Clock Timing.vsd
Tl
82541ER Gigabit Ethernet Controller
Max
30
4
CL
Min
30
50
11
11
1
PCI 33 MHz
Max
4
0.4 Vcc p-to-p
(minimum)
mV/ns
Units
V/ns
ns
ns
ns
23