Datasheet

78Q2123/78Q2133 Data Sheet DS_21x3_001
4.5.3 MII Receive Interface
Characteristics Symbol Conditions Min Nom Max Unit
Receive Output Delay:
RX_CLK to RXD[3:0],
RX_DV, RX_ER
RX
DLY
10 30 ns
RX_CLK Duty-Cycle 40 60 %
Figure 3: Receive Outputs from the 78Q2123/78Q2133
4.6 MDIO Interface Input Timing
Characteristics Symbol Conditions Min Nom Max Unit
Setup Time: MDC to MDIO
MIO
SU
10 ns
Hold Time: MDC to MDIO MIO
HD
10 ns
Max Frequency: MDC
F
max
25 MHz
Figure 4: MDIO as an Input to the 78Q2123/78Q2133
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