VSC8641XKO Vitesse Semiconductor Corp, VSC8641XKO Datasheet - Page 93

• Manufacturer Part Number: VSC8641XKO
• Description: IC PHY 10/100/1000 100-LQFP
• Manufacturer: Vitesse Semiconductor Corp
• Type: PHY Transceiverr

Specifications of VSC8641XKO

• Number Of Drivers/receivers: 1/1
• Protocol: Gigabit Ethernet
• Voltage - Supply: 2.5V, 3.3V
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Case: TQFP
• Dc: 07+
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 907-1031

6
Table 82.
Revision 4.3
August 2009
Pin Descriptions
The VSC8641 device is available in two package types. VSC8641XJF is an 88-pin
package. VSC8641XKO and VSC8641XKO-03 are 100-pin packages.
This section contains the pin descriptions. The pin information is also provided as
attached Microsoft Excel files. This allows you to copy the information electronically. In
Adobe Reader, double-click the attachment icon.
The following table contains notations for definitions of the various pin types.
Pin Type Symbols
Symbol
O
I
I
A
A
I
PD
PU
O
CRYST
PU5V
I/O
OD
I
I
OS
NC
BIAS
DIFF
I
O
PU
PD
I
ZC
A
/O
/O
Pin Type
Input
Input and Output
Input with pull-up
Input with pull-down
Bidirectional with
pull-down
Bidirectional with
pull-up
Output
Impedance controlled
output
Open drain
Open source
Analog differential
Analog bias
Analog input
Input with pull-up
Crystal output
No connect
Description
Input with no on-chip pull-up or pull-down resistor.
Input and output signal with no on-chip pull-up or
pull-down resistor.
Input with on-chip 100 kΩ pull-up resistor to VDDIO.
Input with on-chip 100 kΩ pull-down resistor to VSS.
Input and output signal with on-chip 100 kΩ pull-down
resistor to VSS.
Input and output signal with on-chip 100 kΩ pull-up
resistor to VDDIO or VDD33.
Output signal.
Integrated (on-chip) source series terminated, output
signal.
Open drain output.
Open source output.
Analog differential signal pair for twisted pair interface.
Analog bias pin.
Analog Input for sensing variable voltage levels.
Input with on-chip 100 kΩ pull-up resistor to VDD33.
These pins are 5 V tolerant.
Crystal clock output pin. If not used, leave unconnected.
No connect pins must be left floating.
VSC8641 Datasheet
Pin Descriptions
Page 93