KSZ8873FLLI Micrel Inc, KSZ8873FLLI Datasheet - Page 93

• Manufacturer Part Number: KSZ8873FLLI
• Description: IC ETHERNET SWITCH 3PORT 64LQFP
• Manufacturer: Micrel Inc

Specifications of KSZ8873FLLI

• Controller Type: Ethernet Switch Controller
• Interface: MII
• Voltage - Supply: 1.8V, 2.5V, 3.3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed
• Other names: 576-3632; KSZ8873FLLI

Micrel, Inc.
RMII Timing
September 2009
T ra n sm it
T im in g
R eceive
Tim ing
R E F C L K
M R X D [1: 0]
M R X D V
R E F C L K
M T X D [1 :0 ]
M T X E N
Symbols
tcyc
t1
t2
tod
Parameters
Clock cycle
Setup time
Hold time
Output delay
Figure 23. RMII Timing – Data Transmitted to RMII
Figure 22. RMII Timing – Data Received from RMII
Table 25. RMII Timing Parameters
t
o d
tcyc
tc y c
t
1
t
2
93
Min
4
2
6
Typ
20
Max
12
Unit
ns
ns
ns
ns
KSZ8873MLL/FLL/RLL
M9999-092309-1.2