Datasheet

KSZ8041NL/RNL
DS00002245B-page 42  2017 Microchip Technology Inc.
7.4 MII Transmit Timing (100BASE-TX)
FIGURE 7-4: MII TRANSMIT TIMING (100BASE-TX)
TABLE 7-4: MII TRANSMIT TIMING (100BASE-TX) PARAMETERS
Timing
Parameter
Description Min. Typ. Max. Unit
t
P
TXC Period — 40 — ns
t
WL
TXC Pulse Width Low
—
20
—
ns
t
WH
TXC Pulse Width High
—
20
—
ns
t
SU1
TXD[3:0] Setup to Rising Edge of TXC 10
——
ns
t
SU2
TXEN Setup to Rising Edge of TXC 10
——
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
—
34
—
ns
t
CRS2
TXEN Low to CRS De-Asserted Latency
—
33
—
ns
TXC
t
SU2
TXEN
t
HD2
TXD[3:0]
t
SU1
CRS
t
CRS2
t
CRS1
Data
In
t
HD1
t
WL
t
WH
t
P