参数资料
型号: WJLXT388LEB2
厂商: CORTINA SYSTEMS INC
元件分类: 数字传输电路
英文描述: DATACOM, PCM TRANSCEIVER, PQFP100
封装: 14 X 14MM, ROHS COMPLIANT, LQFP-100
文件页数: 58/80页
文件大小: 1017K
代理商: WJLXT388LEB2
Dual T1/E1/J1 Transceiver — Intel
LXT388
Datasheet
61
Table 49. Receive Timing Characteristics
Parameter
Sym
Min
Typ
Max
Unit
Test Condition
Clock recovery capture range
E1
±80
ppm
Relative to
nominal frequency
MCLK = ±100
ppm
T1
±180
ppm
Receive clock duty cycle 1
Rckd
40
50
60
%
Receive clock pulse width 1
E1
Tpw
447
488
529
ns
T1
Tpw
583
648
713
ns
Receive clock pulse width Low time
E1
Tpwl
203
244
285
ns
T1
Tpwl
259
324
389
ns
Receive clock pulse width High time
E1
Tpwh
203
244
285
ns
T1
Tpwh
259
324
389
ns
Rise/fall time
4
Tr
20
ns
@ CL=15 pF
RPOS/RNEG pulse width (MCLK=H) 2
E1
Tpwdl
200
244
300
ns
T1
Tpwdl
250
324
400
ns
RPOS/RNEG to RCLK rising setup time
E1
Tsur
200
244
ns
T1
200
324
ns
RCLK Rising to RPOS/RNEG hold time
E1
Thr
200
244
ns
T1
200
324
ns
Delay time between RPOS/RNEG and RCLK
5
ns
MCLK = H 3
1. RCLK duty cycle widths will vary depending on extent of received pulse jitter displacement. Maximum and minimum RCLK
duty cycles are for worst case jitter conditions (0.2UI displacement for E1 per ITU G.823).
2. Clock recovery is disabled in this mode.
3. If MCLK = H the receive PLLs are replaced by a simple EXOR circuit.
4. For all digital outputs.
Figure 20. Receive Clock Timing Diagram
CLKE = 0
RPOS
RNEG
CLKE = 1
RPOS
RNEG
RCLK
tPW
tPWH
tSUR
tPWL
tHR
tSUR
相关PDF资料
PDF描述
WJLXT901ALCA4 DATACOM, ETHERNET TRANSCEIVER, PQFP64
WJLXT907ALCA4 DATACOM, ETHERNET TRANSCEIVER, PQFP64
WJLXT901ALCA4 DATACOM, ETHERNET TRANSCEIVER, PQFP64
WJLXT907ALCA4 DATACOM, ETHERNET TRANSCEIVER, PQFP64
WJLXT905LC.C2 DATACOM, ETHERNET TRANSCEIVER, PQFP32
相关代理商/技术参数
参数描述
WJLXT6155LE.B5 制造商:Intel 功能描述:SONET/SDH/ATM Transceiver 1TX 1RX 64-Pin LQFP
WJLXT6155LE.B5-866255 功能描述:TXRX SDH/SONET/ATM HS 64-LQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器,接收器,收发器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422,RS485 电源电压:4.75 V ~ 5.25 V 安装类型:通孔 封装/外壳:8-DIP(0.300",7.62mm) 供应商设备封装:8-PDIP 包装:管件 产品目录页面:1402 (CN2011-ZH PDF)
WJLXT6155LE.B5-866256 制造商:Cortina Systems Inc 功能描述:SONET/SDH/ATM Transceiver 1TX 1RX 64-Pin LQFP T/R
WJLXT901ALC.A4 功能描述:IC 10BASE-T/AUI TXCVR 64-LQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器,接收器,收发器 系列:- 标准包装:1,000 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-SOIC(0.295",7.50mm 宽) 供应商设备封装:16-SOIC 包装:带卷 (TR)
WJLXT901ALC.A4-865823 制造商:Cortina Systems Inc 功能描述:LXT901A UNIVERSAL ETHERNET TRA