參數(shù)資料
型號： WJLXT385LEB1
廠商： CORTINA SYSTEMS INC
元件分類： 數(shù)字傳輸電路
英文描述： DATACOM, PCM TRANSCEIVER, PQFP144
封裝： ROHS COMPLIANT, LQFP-144
文件頁數(shù)： 1/138頁
文件大?。?/td> 1545K
代理商： WJLXT385LEB1
Intel LXT385 Octal E1 Short-Haul PCM
Transceiver with Jitter Attenuation (JA)
Datasheet
Product Features
Applications
■
OctalE1 Pulse-Code Modulation (PCM)
Transceiver with Jitter Attenuation for use
in 2.048 Mbps (E1) applications
■
8 fully-independent receiver/transmitters
■
Support for E1 standards:
— Exceeds ETSI ETS 300 166
■
Meets ETS 300 233Low-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 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, and G.823
— Optimized for 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
— Transmit waveform shaping meets ITU
G.703 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 LXT385
ransceiver output transformer ratio from
1:2 to 1:1.7, the savings occur whether
TVCC is at 5 V or 3.3 V. 90 mW
per channel (typical). See Table 62
“Intel
LXT385 Transceiver Power
Consumption” on page 104 and
Table 64 “Load3 Power Consumption”
on page 105.
■
HDB3 AMI line encoder/decoder
■
LOS per ITU G.775 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
■
SDH tributary interfaces
■
Digital cross connects
■
Public/private switching trunk line interfaces
■
Microwave transmission systems
■
M13, E1-E3 MUX
Document Number: 249252
Revision Number: 006
Revision Date: 19-Jan-2006
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