KS8999 Micrel Inc, KS8999 Datasheet - Page 47

• Manufacturer Part Number: KS8999
• Description: IC SWITCH 10/100 9PORT 208PQFP
• Manufacturer: Micrel Inc

Specifications of KS8999

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 208-MQFP, 208-PQFP
• 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
• Mounting: Surface Mount
• Jtag Support: No
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: 576-1023 - BOARD EVAL EXPERIMENT FOR KS8999
• Lead Free Status / RoHS Status: Not Compliant, Contains lead / RoHS non-compliant

Reference Circuits
See
Reset Reference Circuit
Micrel recommendeds the following discrete reset circuit as shown in Figure 20 when powering up the KS8999 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 21.
January 2005
KS8999
“I/O Description”
section for pull-up/pull-down and float information.
Figure 19. Unmanaged Programming Circuit
KS8999
Figure 20. Recommended Reset Circuit.
RST
D1
10µF
VCC
C
47
R
10k
D2
D1, D2: 1N4148
RST_OUT_n
CPU/FPGA
KS8999
Micrel