Micrel, Inc.
MII Transmit Timing (10Base-T)
KSZ8051MLL
Figure 8. MII Transmit Timing (10Base-T)
Timing Parameter
tP
tWL
tWH
tSU1
tSU2
tHD1
tHD2
tCRS1
tCRS2
Description
TXC period
TXC pulse width low
TXC pulse width high
TXD[3:0] setup to rising edge of TXC
TXEN setup to rising edge of TXC
TXD[3:0] hold from rising edge of TXC
TXEN hold from rising edge of TXC
TXEN high to CRS asserted latency
TXEN low to CRS de-asserted latency
Min.
120
120
0
0
Typ.
400
200
200
200
550
Table 8. MII Transmit Timing (10Base-T) Parameters
Max.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
July 2010
40
M9999-071210-1.0