KSZ8995X Micrel Inc, KSZ8995X Datasheet - Page 48

• Manufacturer Part Number: KSZ8995X
• Description: 5 Port 10/100 Switch With PHY And Frame Buffers
• Manufacturer: Micrel Inc

Specifications of KSZ8995X

• 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): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 576-1642 - BOARD EVALUATION FOR KSZ8995XA
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 576-1041

KS8995X
Symbol
t
t
t
t
t
M9999-120403
CYC4
CYC4
S4
H4
OV4
Parameter
Clock Cycle
Clock Cycle
Set-Up Time
Hold Time
Output Valid
Transmit Timing
Receive Timing
MRXD[3:0]
MTXD[3:0]
MRXCLK
MRXDV
MTXCLK
MTXEN
MTXER
Figure 18. PHY Mode MII Timing – Data Transmitted from MII
Figure 17. PHY Mode MII Timing – Data Received from MII
(100BaseT)
(10BaseT)
Table 10. PHY Mode MII Timing Parameters
ts4
tov4
tcyc4
48
tcyc4
th4
Min
10
18
0
Typ
400
40
25
December 2003
Max
28
Micrel
Units
ns
ns
ns
ns
ns