PM6341 datasheet(53/272 Pages) PMC

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PM6341 E1XC

DATA SHEET

PMC-910419

ISSUE 8

E1 FRAMER/TRANSCEIVER

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

Pin No.

Pin Name

Type

PQFP

PLCC

Function

VDDO[0]

VDDO[1]

VDDO[2]

VDDO[3]

Power

Pad ring power pins (VDDO[3:0]).

These pins must be connected to a

common, well decoupled +5 VDC

supply together with the VDDI[1:0]

pins. Care must be taken to avoid

coupling noise induced on the VDDO

pins into the VDDI pins.

VDDI[0]

VDDI[1]

Power

Core power pins (VDDI[1:0]). These

pins must be connected to a common,

well decoupled +5 VDC supply

together with the VDDO[3:0] pins.

VSSO[0]

VSSO[1]

VSSO[2]

VSSO[3]

Ground

Pad ring ground pins (VSSO[3:0]).

These pins must be connected to a

common ground together with the

VSSI[1:0] pins. Care must be taken to

avoid coupling noise induced on the

VSSO pins into the VSSI pins.

VSSI[0]

VSSI[1]

Ground

Core ground pins (VSSI[1:0]). These

pins must be connected to a common

ground together with the VSSO[3:0]

pins.

Notes on Pin Description:

1. VDDI and VSSI are the +5 V and ground connections, respectively, for the

core circuitry of the device. VDDO and VSSI are the +5 V and ground

connections, respectively, for the pad ring circuitry of the device. TAVD and

TAVS are the +5 V and ground connections, respectively, for the transmit

analog circuitry of the device. These power supply connections must all be

utilized and must all connect to a common +5 V or ground rail, as appropriate.

There is no low impedance connection within the PM6341 between the core,

pad ring, and transmit analog supply rails. Failure to properly make these

connections may result in improper operation or damage to the device. Care

must be taken to avoid coupling of noise into the transmit analog supply rails.

2. RAVD and RAVS are the +5 V and ground connections, respectively, for the

receive analog circuitry of the device. These power supply connections need

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