KS8995MI Micrel Inc, KS8995MI Datasheet - Page 68

• Manufacturer Part Number: KS8995MI
• Description: IC SWITCH 10/100 5PORT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KS8995MI

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• Number Of Primary Switch Ports: 5
• Internal Memory Buffer Size: 64
• Operating Supply Voltage (typ): 1.8/2.5/3.3V
• 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): 85C
• Operating Temperature (min): -40C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 1.9/2.6/3.6V
• Operating Supply Voltage (min): 1.7/2.4/3V
• Operating Temperature Classification: Industrial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: 576-1017 - BOARD EVAL EXPERIMENT KS8995M
• Lead Free Status / RoHS Status: Not Compliant, Contains lead / RoHS non-compliant
• Other names: 576-1020

KS8995M
Symbol
t
t
t
t
t
t
M9999-062309
P
WL
WH
SU
HD
RLAT
Parameter
TXC Period
TXC Pulse Width
TXC Pulse Width
TXD [3:0], TXER, TXDV Set-Up to Rising Edge of RXC
TXD [3:0], TXER, TXDV Hold from Rising Edge of RXC
CRS to TXD Latency, 4B or 5B Aligned
CRS
RXDV
RXD[3:0]
RXC
Figure 17. MAC Mode MII Transmit Timing for 100Base-T
Table 20. MAC Mode MII Transmit Timing Parameters
t
RLAT
t
SU
68
t
HD
t
WL
t
t
P
WH
Min
20
20
Typ
40
20
20
60
Max
Micrel, Inc.
June 2009
Units
ns
ns
ns
ns
ns
ns