KS8995XA Micrel Inc, KS8995XA Datasheet - Page 12

• Manufacturer Part Number: KS8995XA
• Description: IC SWITCH 10/100 5PORT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KS8995XA

• 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: 576-1604 - EVAL KIT EXPERIMENTAL KS8995XA
• Lead Free Status / RoHS Status: Not Compliant, Lead free / RoHS Compliant

KS8995XA
Note:
1. P = Power supply.
M9999-051305
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.
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
Pin Name
Reserved
Reserved
SCANEN
TESTEN
VDDAP
VDDAR
RST_N
TEST2
GNDD
GNDA
GNDA
GNDA
VDDC
SDA
SCL
PS1
PS0
NC
X1
X2
Type
Gnd
Gnd
Gnd
Gnd
Ipd
Ipd
Ipu
Ipd
Ipd
NC
I/O
I/O
P
O
P
P
I
(1)
Port
All
All
All
All
Pin Function
No connect.
Output clock at 81kHz in I
Serial data input/output in I
No connect
No connect or pull-down.
No connect or pull-down.
Reset the KS8995XA. Active low.
Digital ground.
1.8V digital core V
Factory test pin.
Factory test pin.
No connection.
25MHz crystal clock connection/or 3.3V tolerant oscillator input.
Oscillator should be ±100ppm.
25MHz crystal clock connection.
1.8V analog V
Analog ground.
1.8V analog V
Analog ground.
Analog ground.
Factory test pin.
12
DD
DD
.
for PLL.
DD
.
2
C master mode.
2
C master mode.
Micrel, Inc.
May 2005