KSZ8995M A4 Micrel Inc, KSZ8995M A4 Datasheet - Page 70

• 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

KS8995M
Symbol
t
t
t
t
t
t
t
M9999-062309
SU1
SU2
HD1
HD2
HD3
CRS1
CRS2
Parameter
TXD [3:0] Set-Up to TXC High
TXEN Set-Up to TXC High
TXD [3:0] Hold After TXC High
TXER Hold After TXC High
TXEN Hold After TXC High
TXEN High to CRS Asserted Latency
TXEN Low to CRS De-asserted Latency
TXC
TXEN
TXD[3:0],
TXER
CRS
Figure 19. PHY Mode MII Transmit Timing for 100Base-T
Table 22. PHY Mode MII Transmit Timing Parameters
t
Data
In
t
SU2
SU1
t
CRS1
t
HD2
t
HD1
70
t
CRS2
Min
10
10
0
0
0
Typ
40
40
Max
Micrel, Inc.
June 2009
Units
ns
ns
ns
ns
ns
ns
ns