KS8995MA Micrel Inc, KS8995MA Datasheet - Page 9

• Manufacturer Part Number: KS8995MA
• Description: IC SWITCH 10/100 5PORT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KS8995MA

• 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
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 576-1017 - BOARD EVAL EXPERIMENT KS8995M
• Lead Free Status / RoHS Status: Not Compliant, Lead free / RoHS Compliant

Pin Description (by Number)
Note:
1. P = Power supply.
2. PU = Strap pin pull-up.
May 2005
KS8995MA
Pin Number
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.
NC = No connect.
PD = Strap pin pull-down.
17
10
11
12
13
14
15
16
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
4
5
6
7
8
9
Pin Name
MDI-XDIS
VDDAR
VDDAR
VDDAT
VDDAT
VDDAT
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
RXM1
RXM2
RXM3
RXM4
RXP1
TXM1
RXP2
TXM2
RXP3
TXM3
RXP4
TXM4
TXP1
TXP2
TXP3
TXP4
ISET
Type
Gnd
Gnd
Gnd
Gnd
Gnd
Gnd
Gnd
Ipd
P
O
O
P
O
O
P
P
O
O
P
O
O
I
I
I
I
I
I
I
I
(1)
Port
1-5
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
Pin Function
Disable auto MDI/MDI-X.
PD (default) = normal operation.
PU = disable auto MDI/MDI-X on all ports.
Analog ground.
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
Physical receive signal + (differential).
Physical receive signal - (differential).
Analog ground.
Physical transmit signal + (differential).
Physical transmit signal – (differential).
1.8V analog V
Analog ground.
Set physical transmit output current. Pull-down with a 3.01kΩ 1%
resistor.
2.5V or 3.3V 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
Physical receive signal + (differential).
Physical receive signal – (differential).
Analog ground.
Physical transmit signal + (differential).
Physical transmit signal – (differential).
Analog ground.
9
(2)
DD
DD
.
.
DD
DD
DD
.
.
.
M9999-051305
Micrel, Inc.