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参数资料
型号： WJLXT384LEB1
厂商： CORTINA SYSTEMS INC
元件分类： 数字传输电路
英文描述： DATACOM, PCM TRANSCEIVER, PQFP144
封装： 20 X 20MM, ROHS COMPLIANT, LQFP-144
文件页数： 1/140页
文件大小： 1514K
代理商： WJLXT384LEB1
Intel LXT384 Octal T1/E1/J1 Short-Haul
PCM Transceiver with Jitter Attenuation
(JA)
Datasheet
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:
— Exceeds ETSI ETS 300 166
— Meets ETS 300 233
■
Low-power single-rail 3.3-V CMOS power
supply, with 5-V tolerant I/Os
■
Jitter attenuation
— Crystal-less
— Digital clock recovery PLL
— Referenced to a low frequency 1.544
MHz or 2.048-MHz clock. Normal
operation requires only MCLK. Does
not require a reference clock frequency
higher than the line frequency.
— Can be switched between receive and
transmit path
— Meets ETSI CTR12/13, ITU G.736,
G.742, G.823, and AT&T Pub 62411
— Optimized for Synchronous Optical
NETwork (SONET) and Synchronous
Digital Hierarchy (SDH) applications,
meets ITU G.783 mapping jitter standard
— Constant throughput delay
■
Differential receiver architecture
— High margin for noise interference
— Operates at >12 dB of cable attenuation
■
Intel Hitless Protection Switching
— Eliminates mechanical relays for
redundancy 1+1 protection applications
— Increases quality of service
■
Transmitters
— Power-down mode with fast output
tristate capability
— Transmit waveform shaping meets ITU
G.703 and T1.102 specifications
— Exceeds ETSI ETS 300 166 transmit
return-loss specifications
— Low-impedance transmit drivers,
independent of transmit pattern and
supply-voltage variations
— Low-current transmit output option that
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 LXT384 Transceiver
Power Consumption” on page 104 and
Table 64 “Load
3 Power Consumption”
on page 105.
■
HDB3, B8ZS, or AMI line encoder/decoder
■
LOS per ITU G.775, T1.231, and ETS 300
233
■
Diagnostics:
— Can be configured for G.722-compliant,
non-intrusive performance (protected)
monitoring points
— Industry-standard P1149.1 JTAG
Boundary Scan test port
■
Intel
/ Motorola* 8-bit parallel processor
interface or 4 wire serial control interface
■
Hardware and Software control modes
■
Operating temperature -40
°C to 85 °C
■
160-ball BGA or 144-pin LQFP packages
■
SONET/SDH tributary interfaces
■
Digital cross connects
■
Public/private switching trunk line interfaces
■
Microwave transmission systems
■
M13, E1-E3 MUX
Document Number: 248994
Revision Number: 005
Revision Date: November 28, 2005
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WJLXT385LEB1 DATACOM, PCM TRANSCEIVER, PQFP144
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