LXT9785 Datasheet, PDF (195/226 Pages) Intel Corporation – Advanced 8-Port 10/100 Mbps PHY Transceivers

LXT9785 and LXT9785E Advanced 8-Port 10/100 Mbps PHY Transceivers
Figure 59. Intel^® LXT9785/LXT9785E MDIO Write Timing (MDIO Sourced by MAC)
MDC
t1
t2
MDIO
Figure 60. Intel^® LXT9785/LXT9785E MDIO Read Timing (MDIO Sourced by PHY)
MDC
t3
MDIO
Table 79. Intel^® LXT9785/LXT9785E MDIO Timing Parameters
Parameter
Sym Min Typ¹ Max Units Test Conditions
MDIO setup before MDC, sourced by
STA
t1
10
–
–
ns
–
MDIO hold after MDC,
sourced by STA
t2
10
–
–
ns
–
MDC to MDIO output delay, sourced
by PHY
t3
0
–
40
ns
–
1. Typical values are at 25° C and are for design aid only; not guaranteed and not subject to production
testing.
Datasheet
Document Number: 249241
Revision Number: 007
Revision Date: August 28, 2003
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