78P2351-IGT TERIDIAN [Teridian Semiconductor Corporation], 78P2351-IGT Datasheet

78P2351-IGT

Manufacturer Part Number

78P2351-IGT

Description

Single Channel OC-3/ STM1-E/ E4 LIU

Manufacturer

TERIDIAN [Teridian Semiconductor Corporation]

Datasheet

1.78P2351-IGT.pdf (42 pages)

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DESCRIPTION

The 78P2351 is Teridian’s second generation Line

Interface Unit (LIU) for 155 Mbps (OC-3, STS-3, or

STM-1) and 140 Mbps PDH (E4) telecom interfaces.

The device is a single chip solution that includes an

integrated CDR in the transmit path for flexible NRZ

to CMI conversion.

The device can interface to 75

CMI coding or directly to a fiber optics transceiver

module using NRZ coding.

compliant with all respective ANSI, ITU-T, and

Telcordia standards for jitter tolerance, generation,

and transfer.

APPLICATIONS

•

BLOCK DIAGRAM

Page: 1 of 42

SOCKP/N

SICKP/N

PO[3:0]D

SODP/N

Central Office Interconnects

DSLAMs

Add Drop Multiplexers (ADMs)

PDH/SDH test equipment

Multi Service Switches

Digital Microwave Radios

PI[3:0]D

PTOCK

SIDP/N

POCK

PICK

Lock Detect

Tx CDR

Ω

coaxial cable using

Decoder

The 78P2351 is

CMI



2006 Teridian Semiconductor Corporation

PMOD, SMOD[1:0], PAR

FIFO

Lock Detect

Rx CDR

CMI

FEATURES

•

Encoder

CMI

ITU-T G.703 compliant cable driver for 139.264

Mbps

transmission

Integrated adaptive CMI equalizer and CDR in

receive path handles over 12.7dB of cable loss

Serial, LVPECL-compatible system interface

with integrated CRU in transmit path for flexible

NRZ to CMI conversion.

4-bit parallel CMOS system interface with

master and slave Tx clock modes.

Selectable LVPECL compatible NRZ media

interface for 155.52 Mbps optical transmission.

Configurable via HW control pins or 4-wire serial

interface

Compliant with ANSI T1.105.03-1994; ITU-T

G.751, G.813, G.823, G.825, G.958; and

Telcordia GR-253-CORE for jitter performance.

Receiver Loss of Signal (LOS) detection

compatible with ITU-T G.783

Operates from a single 3.3V supply

100-pin JEDEC LQFP

Adaptive

Eq.

155.52

OC-3/ STM1-E/ E4 LIU

LOS Detect

DATA SHEET

Mbps

Single Channel

RLBK,

RDSL

LLBK

SEPTEMBER 2006

CMI-coded

78P2351

ECLP/N

TXCKP/N

CMI2P/N

CMIP/N

RXP/N

Rev. 2.4

coax

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