KSZ8993 Micrel Inc, KSZ8993 Datasheet - Page 29

• Manufacturer Part Number: KSZ8993
• Description: IC SWITCH 10/100 3PORT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KSZ8993

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• Number Of Primary Switch Ports: 3
• Internal Memory Buffer Size: 64
• Operating Supply Voltage (typ): 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): 2.75/3.6V
• Operating Supply Voltage (min): 2.35V
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-1032

Reference Circuit
See
Reset Circuit Diagram
Micrel recommendeds the following discrete reset circuit as shown in Figure 9 when powering up the KS8993 device. For the
application where the reset circuit signal comes from another device (e.g., CPU, FPGA, etc), we recommend the reset circuit
as shown in Figure 10.
May 2005
KS8993
“I/O Description”
section for pull-up/pull-down and float information.
KS8993
Figure 9. Recommended Reset Circuit.
RST
D1
10µF
VCC
C
29
R
10k
D2
D1, D2: 1N4148
RST_OUT_n
CPU/FPGA
KS8993
Micrel