KS8993M A5 Micrel Inc, KS8993M A5 Datasheet - Page 84

• Manufacturer Part Number: KS8993M A5
• Manufacturer: Micrel Inc

Specifications of KS8993M 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
• Power Dissipation: 800mW
• Operating Temperature Classification: Commercial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Not Compliant

At power-on-reset, R, C, and D1 provide the necessary ramp rise time to reset the Micrel device. The reset out
from CPU/FPGA provides warm reset after power up. It is also recommended to power up the VDD core voltage
earlier than VDDIO voltage. At worst case, the both VDD core and VDDIO voltages should come up at the same
time.
Micrel, Inc.
October 2008
Figure 25. Recommended Circuit for Interfacing with CPU/FPGA Reset
Figure 24. Recommended Reset Circuit
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M9999-020606
KSZ8993M/ML