KSZ8995M A4 Micrel Inc, KSZ8995M A4 Datasheet - Page 69

• Manufacturer Part Number: KSZ8995M A4
• Manufacturer: Micrel Inc

Specifications of KSZ8995M A4

• 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 Supply Voltage (max): 1.9/2.6/3.6V
• Operating Supply Voltage (min): 1.7/2.4/3V
• Operating Temperature Classification: Commercial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Compliant

Symbol
t
t
t
t
t
t
June 2009
KS8995M
P
WL
WH
SU
HD
RLAT
Parameter
RXC Period
RXC Pulse Width
RXC Pulse Width
RXD [3:0], RXER, RXDV Set-Up to Rising Edge of RXC
RXD [3:0], RXER, RXDV Hold from Rising Edge of RXC
CRS to RXD Latency, 4B or 5B Aligned
RX+/RX-
CRS
RXDV
RXD[3:0]
RXER
RXC
Figure 18. PHY Mode MII Receive Timing for 100Base-T
Table 21. PHY Mode MII Receive Timing Parameters
Start of
Stream
t
CRS1
t
RLAT
t
SU
69
t
HD
End of
Stream
t
WL
t
t
t
P
CRS2
WH
Min
20
20
Typ
20
20
40
60
M9999-062309
Max
Micrel, Inc.
Units
ns
ns
ns
ns
ns
ns