KSZ8995XA Micrel Inc, KSZ8995XA Datasheet - Page 10

• Manufacturer Part Number: KSZ8995XA
• Description: IC SWITCH 10/100 5PORT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KSZ8995XA

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• 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 Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 576-1642 - BOARD EVALUATION FOR KSZ8995XA
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 576-1042

September 2008
Notes:
1.
2.
Pin Number
P = Power supply.
I = Input.
O = Output.
I/O = Bidirectional.
Gnd = Ground.
Ipu = Input w/internal pull-up.
Ipd = Input w/internal pull-down.
Ipd/O = Input w/internal pull-down during reset, output pin otherwise.
Ipu/O = Input w/internal pull-up during reset, output pin otherwise.
PU = Strap pin pull-up.
PD = Strap pull-down.
Otri = Output tristated.
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
RESERVE/NC
NC / MUX1
NC / MUX2
PWRDN_N
Pin Name
PMTXEN
PMTXER
PMTXD3
PMTXD2
PMTXD1
PMTXD0
PMRXC
VDDAR
VDDAR
VDDAR
PMTXC
VDDAT
FXSD5
FXSD4
VDDIO
GNDD
GNDD
RXM5
GNDA
GNDA
GNDA
GNDA
VDDC
TXM5
RXP5
TXP5
Type
Gnd
Gnd
Gnd
Gnd
Gnd
Gnd
Ipu
Ipd
Ipd
Ipd
Ipd
Ipd
Ipd
O
O
O
O
P
P
P
P
P
P
I
I
I
I
I
I
(1)
Port
5
5
5
5
5
4
5
5
5
5
5
5
5
5
Pin Function
1.8V analog V
Physical receive signal + (differential).
Physical receive signal – (differential).
Analog ground.
Physical transmit signal + (differential).
Physical transmit signal – (differential).
2.5V or 3.3V analog V
Fiber signal detect/factory test pin.
Fiber signal detect/factory test pin.
Analog ground.
1.8V analog V
Analog ground.
1.8V analog V
Analog ground.
No connect. Factory test pin.
No connect. Factory test pin.
Full-chip power down. Active low.
Reserved pin. No connect.
Digital ground.
1.8V digital core V
PHY[5] MII transmit enable.
PHY[5] MII transmit bit 3.
PHY[5] MII transmit bit 2.
PHY[5] MII transmit bit 1.
PHY[5] MII transmit bit 0.
PHY[5] MII transmit error.
PHY[5] MII transmit clock. PHY mode MII.
Digital ground.
3.3V digital V
PHY[5] MII receive clock. PHY mode MII.
10
DD
(2)
DD
DD
DD
for digital I/O circuitry.
.
.
.
DD
.
DD
.
M9999-091508