KS8999 Micrel Inc, KS8999 Datasheet - Page 43

• Manufacturer Part Number: KS8999
• Description: IC SWITCH 10/100 9PORT 208PQFP
• Manufacturer: Micrel Inc

Specifications of KS8999

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 208-MQFP, 208-PQFP
• Fiber Support: Yes
• Integrated Led Drivers: Yes
• Phy/transceiver Interface: MII/SNI
• Power Supply Type: Analog/Digital
• Package Type: PQFP
• Data Rate (typ): 10/100Mbps
• Vlan Support: Yes
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Mounting: Surface Mount
• Jtag Support: No
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: 576-1023 - BOARD EVAL EXPERIMENT FOR KS8999
• Lead Free Status / RoHS Status: Not Compliant, Contains lead / RoHS non-compliant

January 2005
Micrel, Inc.
Figure 11. KS8999 PHY Mode―Data Sent from External MAC Controller to KS8999
Symbol
t
t
CYC
CYC
T
Table 9. MII Timing in KS8999 PHY and MAC Mode Timing Parameters
t
S
H
Parameter
Clock Cycle (100BaseT)
Clock Cycle (10BaseT)
Set-Up Time
Hold Time
Figure 12. KS8999 PHY Mode Receive Timing
Min
10
0
43
Typ
400
40
Max
Units
ns
ns
ns
ns
KS8999
KS8999