LAN9420-NU Standard Microsystems (SMSC), LAN9420-NU Datasheet - Page 162

• Manufacturer Part Number: LAN9420-NU
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9420-NU

• 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: 128
• Lead Free Status / RoHS Status: Compliant

Revision 1.4 (12-17-08)
5.6
SYMBOL
t
t
t
high
cyc
low
-
PCI Clock Timing
0.3*VDD33IO
0.4*VDD33IO
The following specifies the PCI clock requirements for LAN9420/LAN9420i:
Note 5.14 This slew rate must be met across the minimum peak-to-peak portion of the clock
0.5*VDD33IO
PCICLK cycle time
PCICLK high time
PCICLK low time
PCICLK slew rate
waveform as shown in
DESCRIPTION
(Note
Table 5.9 PCI Clock Timing Values
0.6*VDD33IO
5.14)
Figure 5.2 PCI Clock Timing
t
high
Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
DATASHEET
Figure
PCICLK
t
162
5.2.
cyc
0.2*VDD33IO
t
low
MIN
30
11
11
1
TYP
0.4*VDD33IO p-to-p
(minimum)
SMSC LAN9420/LAN9420i
MAX
∞
4
Datasheet
UNITS
V/ns
ns
ns
ns