KSZ8993MI Micrel Inc, KSZ8993MI Datasheet - Page 80

• Manufacturer Part Number: KSZ8993MI
• Description: IC SWITCH 10/100 W/TXRX 128PQFP
• Manufacturer: Micrel Inc

Specifications of KSZ8993MI

• 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): 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): 1.89/3.465V
• Operating Supply Voltage (min): 1.71/3.135V
• Power Dissipation: 800mW
• Supply Current: 0.1/0.19A
• Operating Temperature Classification: Industrial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-2124; KSZ8993MI

PHY-Mode MII Timing
Micrel, Inc.
October 2008
Timing Parameter
tcyc4
(100BASE-T)
tcyc4 (10BASE-T)
ts4
th4
tov4
Figure 19. PHY-Mode MII Timing – Data Received from MII
Clock cycle
Setup time
Hold time
Output valid
Description
Clock cycle
100BASE-T
10BASE-T
Figure 20. PHY-Mode MII Timing – Data Input to MII
Table 23. PHY-Mode MII Timing Parameters
Min
10
10
0
80
Typ
400
40
Max
25
Unit
ns
ns
ns
ns
ns
M9999-020606
KSZ8993M/ML