KS8893MQL Micrel Inc, KS8893MQL Datasheet - Page 106

• Manufacturer Part Number: KS8893MQL
• Description: IC MANAGED SWITCH 10/100 128PQFP
• Manufacturer: Micrel Inc

Specifications of KS8893MQL

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• Number Of Primary Switch Ports: 3
• Internal Memory Buffer Size: 32
• Operating Supply Voltage (typ): 3.3V
• Fiber Support: Yes
• Integrated Led Drivers: Yes
• Power Supply Type: Analog/Digital
• Package Type: PQFP
• Data Rate (typ): 10/100Mbps
• Vlan Support: Yes
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 3.5V
• Operating Supply Voltage (min): 3.1V
• Operating Temperature Classification: Commercial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-1457

RMII Timing
December 2007
T ra n s m it
T im in g
R E F C L K
M T X D [1 :0 ]
M T X E N
R E FC LK
M R X D [1:0]
M R X D V
Receive
Tim ing
Timing Parameter
tcyc
t1
t2
tod
Description
Clock cycle
Setup time
Hold time
Output delay
Figure 22: RMII Timing – Data Received from RMII
Figure 23: RMII Timing – Data Input to RMII
t
Table 27: RMII Timing Parameters
od
tc y c
tcyc
t
1
Min
t
2.8
4
2
2
106
Typ
20
Max
10
Unit
M9999-121007-1.5
ns
ns
ns
ns