KSZ8993 Micrel Inc, KSZ8993 Datasheet - Page 6

• 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

KS8993
Pin Description
Note 1.
KS8993
Pin Number
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
1
2
3
4
5
6
7
8
9
Pwr = power supply
GND = ground
I = input
O = output
I/O = bi-directional
GND_RX[1]
GND_RX[2]
GND_RX[3]
VDD_RX[1]
GND_TX[1]
VDD_TX[1]
VDD_RX[2]
GND_TX[2]
VDD_TX[2]
VDD_TX[3]
GND_TX[3]
VDD_RX[3]
GND_ANA
GND_ANA
Pin Name
GND_PLL
VDD_PLL
GND_BG
VDD_BG
VREF[1]
VREF[2]
VREF[3]
FXSD[2]
FXSD[3]
MUX[2]
MUX[1]
RXM[1]
RXM[2]
RXM[3]
RXP[1]
TXM[1]
RXP[2]
TXM[2]
TXM[3]
RXP[3]
TXP[1]
TXP[2]
TXP[3]
ISET
Type
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
Pwr
Pwr
Pwr
Pwr
Pwr
Pwr
Pwr
Pwr
O
O
O
O
O
O
O
O
O
O
(Note 1)
I
I
I
I
I
I
I
I
I
I
Port
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
2
3
Pin Function
Analog ground
Factory test pin
Factory test pin
Ground for receiver
Physical receive signal + (differential)
Physical receive signal - (differential)
2.5V for receiver
Reference voltage for transmit transformer center tap
Physical transmit signal + (differential)
Physical transmit signal - (differential)
Ground for transmit circuitry
2.5V for transmit circuitry
2.5V for analog circuitry
Set physical transmit output current
Ground for analog circuitry
Ground for phase locked loop circuitry
2.5V for phase locked loop circuitry
Ground for receiver
Physical receive signal + (differential)
Physical receive signal - (differential)
2.5V for receiver
Reference voltage for transmit transformer center tap
Physical transmit signal + (differential)
Physical transmit signal - (differential)
Ground for transmit circuitry
2.5V for transmit circuitry
2.5V for transmit circuitry
Ground for transmit circuitry
Physical transmit signal + (differential)
Physical transmit signal - (differential)
Reference voltage for transmit transformer center tap
2.5V for receiver
Physical receive signal + (differential)
Physical receive signal - (differential)
Ground for receiver
Fiber signal detect
Fiber signal detect
Analog ground
6
May 2005
Micrel