KSZ8995MA B3 Micrel Inc, KSZ8995MA B3 Datasheet - Page 11

• Manufacturer Part Number: KSZ8995MA B3
• Manufacturer: Micrel Inc

Specifications of KSZ8995MA B3

• 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: Compliant

Semptember 2008
Pin Description (by Number)
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.
NC = No connect.
PU = Strap pin pull-up.
PD = Strap pull-down.
10
11
12
13
14
15
16
17
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
lpd
O
O
O
O
O
O
O
O
P
P
P
P
P
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
3.01kΩ1% 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.
11
(2)
DD
DD
.
.
DD
DD
DD
.
.
.
M9999-091508