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Pex8605, 13 no-connect signals – Avago Technologies PEX 8605 User Manual

Page 11

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PEX8605

© PLX Technology, www.plxtech.com

Page 11 of 13

2 May 2013, version 1.7

Signal Name

Dual-
Row
QFN
Pkg.
Pin #

TQFP
Package
Pin #

Signal
Type

Checked

Recommendations

PEX_REFCLK_OUT_BIAS

B22

48

A

YES

NO

UNKNOWN

Optional Bias Voltage Input

This pin can be left un-connected for typical
applications. Suggest routing this pin to a test
point.

PEX_REFCLK_OUT_RREF

B23

50

A

YES

NO

UNKNOWN

External Reference Resistor
Connect this pin to Ground through a 2.00K Ohms,
1% resistor. Place resistor close to the pin.

2.13 No-Connect Signals

Do not connect these pins to board electrical paths.

Signal
Name

Dual-Row QFN
Pkg.
Pin #

TQFP
Package
Pin #

Signal
Type

Checked

Recommendations

N/C

A1, A2, A3, A4, A17,

A33, A35, A44, A49,

B1, B2, B38, C1, C2

2, 69, 85, 86

N/C

YES

NO

UNKNOWN

No-Connect (QFN: 14 pins, TQFP: 4 pins)

No function. Do not connect these pins to board
electrical paths.