lxt384 Intel Corporation, lxt384 Datasheet

lxt384

Manufacturer Part Number

lxt384

Description

Octal T1/e1/j1 Short Haul Transceiver

Manufacturer

Intel Corporation

Datasheet

1.LXT384.pdf (133 pages)

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Intel

PCM Transceiver with Jitter Attenuation

(JA)

Product Features

Applications

Octal T1/E1/J1 Pulse-Code Modulation

(PCM) Transceiver with Jitter Attenuation

for use in both 1.544 Mbps (T1) and 2.048

Mbps (E1) applications

16 fully-independent receiver/transmitters

Support for E1 standards:

Low-power single-rail 3.3-V CMOS power

supply, with 5-V tolerant I/Os

Jitter attenuation

Differential receiver architecture

Intel

— Exceeds ETSI ETS 300 166

— Meets ETS 300 233

— Crystal-less

— Digital clock recovery PLL

— Referenced to a low frequency 1.544

— Can be switched between receive and

— Meets ETSI CTR12/13, ITU G.736,

— Optimized for Synchronous Optical

— Constant throughput delay

— High margin for noise interference

— Operates at >12 dB of cable attenuation

— Eliminates mechanical relays for

— Increases quality of service

SONET/SDH tributary interfaces

Digital cross connects

Public/private switching trunk line interfaces

MHz or 2.048-MHz clock. Normal

operation requires only MCLK. Does

not require a reference clock frequency

higher than the line frequency.

transmit path

G.742, G.823, and AT&T Pub 62411

NETwork (SONET) and Synchronous

Digital Hierarchy (SDH) applications,

meets ITU G.783 mapping jitter standard

redundancy 1+1 protection applications

Hitless Protection Switching

LXT384 Octal T1/E1/J1 Short-Haul

Transmitters

HDB3, B8ZS, or AMI line encoder/decoder

LOS per ITU G.775, T1.231, and ETS 300

233

Diagnostics:

Intel

interface or 4 wire serial control interface

Hardware and Software control modes

Operating temperature -40 °C to 85 °C

160-ball PBGA or 144-pin LQFP packages

— Power-down mode with fast output

— Transmit waveform shaping meets ITU

— Exceeds ETSI ETS 300 166 transmit

— Low-impedance transmit drivers,

— Low-current transmit output option that

— Can be configured for G.722-compliant,

— Industry-standard P1149.1 JTAG

Microwave transmission systems

M13, E1-E3 MUX

tristate capability

G.703 and T1.102 specifications

return-loss specifications

independent of transmit pattern and

supply-voltage variations

can reduce power dissipation by up to

15%. By changing the LXT384

Transceiver output transformer ratio

from 1:2 to 1:1.7, the savings occur

whether TVCC is at 5 V or 3.3 V.

130 mW per channel (typical). See

Table 63 “Intel

Power Consumption” on page 104

Table 64 “Load

on page

non-intrusive performance (protected)

monitoring points

Boundary Scan test port

/ Motorola* 8-bit parallel processor

105.

Revision Date: September 22, 2005

LXT384 Transceiver

Power Consumption”

Document Number:

Revision Number:

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Datasheet

and

248994

004

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