ksz8041tl-ftl Micrel Semiconductor, ksz8041tl-ftl Datasheet - Page 50

• Manufacturer Part Number: ksz8041tl-ftl
• Description: 10base-t/100base-tx/100base-fx Physical Layer Transceiver
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
RMII Timing
April 2007
T ra n s m it
T im in g
R E F C L K
T X _ E N
T X D [1 :0 ]
REFCLK
Receive
Tim ing
CRSDV
RXD[1:0]
Timing Parameter
t
t
t
t
cyc
1
2
od
Figure 16. RMII Timing – Data Received from RMII
Figure 17. RMII Timing – Data Input to RMII
tod
Table 19. RMII Timing Parameters
tcyc
tcyc
Description
Clock cycle
Setup time
Hold time
Output delay
t1
t2
50
Min
2.8
4
2
Typ
20
Max
10
Unit
ns
ns
ns
ns
M9999-042707-1.1
KSZ8041TL/FTL