Datasheet

Micrel, Inc.
KSZ8081MNX/KSZ8081RNB
August
19, 2015 55
Revision 1.4
MII Transmit Timing (10Base-T)
Figure 12. MII Transmit Timing (10Base-T)
Table 14. MII Transmit Timing (10Base-T) Parameters
Timing Parameter Description Min. Typ. Max. Units
t
P
TXC period 400 ns
t
WL
TXC pulse width low 200 ns
t
WH
TXC pulse width high 200 ns
t
SU1
TXD[3:0] setup to rising edge of TXC 120 ns
t
SU2
TXEN setup to rising edge of TXC 120 ns
t
HD1
TXD[3:0] hold from rising edge of TXC 0 ns
t
HD2
TXEN hold from rising edge of TXC 0 ns
t
CRS1
TXEN high to CRS asserted latency 600 ns
t
CRS2
TXEN low to CRS de-asserted latency 1.0 µs