lxt9785 Intel Corporation, lxt9785 Datasheet - Page 195

• Manufacturer Part Number: lxt9785
• Description: Advanced 8-port 10/100 Mbps Phy Transceivers
• Manufacturer: Intel Corporation

Datasheet
Document Number: 249241
Revision Number: 007
Revision Date: August 28, 2003
Figure 59. Intel
Figure 60. Intel
Table 79. Intel
MDIO setup before MDC, sourced by
STA
MDIO hold after MDC,
sourced by STA
MDC to MDIO output delay, sourced
by PHY
1. Typical values are at 25° C and are for design aid only; not guaranteed and not subject to production
testing.
®
®
®
LXT9785/LXT9785E MDIO Timing Parameters
LXT9785/LXT9785E MDIO Write Timing (MDIO Sourced by MAC)
LXT9785/LXT9785E MDIO Read Timing (MDIO Sourced by PHY)
MDIO
MDC
Parameter
LXT9785 and LXT9785E Advanced 8-Port 10/100 Mbps PHY Transceivers
MDIO
MDC
Sym
t1
t2
t3
t3
Min
10
10
0
Typ
–
–
–
1
t1
Max
40
–
–
Units
t2
ns
ns
ns
Test Conditions
–
–
–
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