lan9420 Standard Microsystems Corp., lan9420 Datasheet - Page 164

• Manufacturer Part Number: lan9420
• Description: Lan9420/lan9420i Single-chip Ethernet Controller With Hp Auto-mdix Support And Pci Interface
• Manufacturer: Standard Microsystems Corp.

Revision 1.1 (03-31-08)
5.7
Input Signal Edge Rate
PCI I/O Timing
The following specifies the PCI I/O requirements for LAN9420/LAN9420i:
Note: Input test is done with 0.1*VDD33IO overdrive. V
SYMBOL
V
V
V
V
waveform allowed for testing input timing.
TRI-STATE PCI
V
V
trise
max
test
tfall
PCI OUTPUTS
th
tl
PCI INPUTS
OUTPUTS
Table 5.10 PCI I/O Timing Measurement Conditions
PCICLK
Figure 5.3 PCI I/O Timing
Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
DATASHEET
t
V
on
max
t
164
val
V
0.285*VDD33IO
0.615*VDD33IO
test
0.6*VDD33IO
0.2*VDD33IO
0.4*VDD33IO
0.4*VDD33IO
VALUE
V
trise,
1
V
tfall
t
su
max
specifies the maximum peak-to-peak
t
h
V
test
t
off
V
V
V
V
th
tl
th
tl
SMSC LAN9420/LAN9420i
UNITS
V/ns
V
V
V
V
V
V
Datasheet