PM5352 datasheet(41/77 Pages) PMC

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PM5352 S/UNI STAR

DATA SHEET

PMC-1990421

ISSUE 2

SATURN USER NETWORK INTERFACE 155 (STAR)

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE

Pin Name

Type

No.

Function

TRSTB

Input

pull-up

The active-low test reset (TRSTB) signal provides

an asynchronous S/UNI-STAR test access port

reset via the IEEE P1149.1 test access port.

TRSTB is a Schmitt triggered input with an integral

pull-up resistor.

Note that when not being used, TRSTB must be

connected to the RSTB input.

6.6

Analog Signals

Pin Name

Type

No.

Function

C+

C-

Analog

AB4

AA5

The analog CP and CN pins are provided for

applications that must meet SONET/SDH jitter

transfer specifications. A TBD nF ceramic capacitor

can be attached across C+ and C-.

ATB0

ATB1

ATB2

ATB3

Analog I/O P2

The Analog Test Bus (ATB). These pins are used

for manufacturing testing only and should be

connected ground.

6.7

Power and Ground

Pin Name

Type

No.

Function

BIAS

Bias

Voltage

K21

C17

I/O Bias (BIAS). When tied to +5V via a 1 K

Ω

resistor, the BIAS input is used to bias the wells in

the input and I/O pads so that the pads can tolerate

5V on their inputs without forward biasing internal

ESD protection devices. When BIAS is tied to

+3.3V, the inputs and bi-directional inputs will only

tolerate 3.3V level inputs.

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