KS8993F A5 Micrel Inc, KS8993F A5 Datasheet - Page 92

• Manufacturer Part Number: KS8993F A5
• Manufacturer: Micrel Inc

Specifications of KS8993F A5

• 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): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 1.89/3.465V
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Not Compliant

KS8993F
6.3.2 PHY Mode MII Timing
6.3.3
August 26, 2004
SPI Timing
(100BASE-TX)
(10BASE-T)
Parameter
Timing
tcyc4
tcyc4
tov4
th4
ts4
MRXD[3:0]
MRXCLK
Transmit Timing
MTXD[3:0]
MRXDV
MTXCLK
Receive Timing
MTXEN
MTXER
Figure 19: PHY Mode MII Timing - Data transmitted to MII
Figure 18: PHY Mode MII Timing – Data received from MII
100BASE-TX
Description
Output Valid
Clock cycle
Clock cycle
10BASE-T
Setup time
Hold time
Table 20: PHY Mode MII Timing Parameters
Min
10
18
0
ts4
tov4
- 92 -
tcyc4
tcyc4
th4
Typ
400
40
25
Max
28
Unit
ns
ns
ns
ns
ns
Revision 1.0
Micrel