Realtek RTL8169 - Page 88

RTL8169
2002/03/27 Rev.1.21
88
MII Timing – MII Management Port
MDC
MDIO
Vih(min)
Vih(min)
Vil(max)
Vil(max)
tMCC
tMCH
tMCL
tMSU tMHT
tMRV
MII Management Timing
Symbol Description Min
Typical
Max Units
tMCC MDC Cycle Time 50 ns
tMCH MDC High Time 25 ns
tMCL MDC Low Time 25 ns
tMSU MDIO Setup Time 10 ns
tMHT MDIO Hold Time 5 ns
tMRV MDC Clock rise to MDIO valid 40 ns
MII Management Timing Parameters