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78P2351R-IM PDF预览

78P2351R-IM

更新时间: 2024-02-06 22:42:04
品牌 Logo 应用领域
TERIDIAN 转换器
页数 文件大小 规格书
31页 573K
描述
Serial 155M NRZ to CMI Converter

78P2351R-IM 技术参数

是否Rohs认证: 符合生命周期:Not Recommended
包装说明:QCCN, LCC56,.27SQ,16Reach Compliance Code:compliant
HTS代码:8542.39.00.01Factory Lead Time:7 weeks
风险等级:5.58模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:S-PQCC-N56端子数量:56
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:QCCN
封装等效代码:LCC56,.27SQ,16封装形状:SQUARE
封装形式:CHIP CARRIER电源:3.3 V
认证状态:Not Qualified子类别:Other Analog ICs
最大供电电流 (Isup):180 mA标称供电电压 (Vsup):3.3 V
表面贴装:YES温度等级:INDUSTRIAL
端子形式:NO LEAD端子节距:0.4 mm
端子位置:QUADBase Number Matches:1

78P2351R-IM 数据手册

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78P2351R  
Serial 155M  
NRZ to CMI Converter  
DATA SHEET  
AUGUST 2006  
DESCRIPTION  
FEATURES  
The 78P2351R is Teridian’s second generation Line  
Interface Unit (LIU) for 155 Mbit/s electrical SDH  
interfaces (STM1e). The device is a single chip  
solution that includes an integrated Clock & Data  
Recovery in both the transmit and receive paths for  
easy, cost efficient NRZ to CMI conversion.  
ITU-T G.703 compliant, adjustable cable driver  
for 155.52 Mbps CMI-coded coax transmission  
Integrated adaptive CMI equalizer and CDR in  
receive path handles over 12.7dB of cable loss  
LVPECL-compatible system interface with  
integrated CDR in transmit path for flexible NRZ  
to CMI conversion  
The device interfaces to 75coaxial cable through  
Configurable via HW control pins or 4-wire serial  
port interface  
wideband transformers and can handle over 12.7dB  
of cable loss.  
By eliminating the needs for  
Compliant with ANSI T1.105.03-1994; ITU-T  
G.813, G.825, G.958; and Telcordia GR-253-  
CORE for jitter performance  
synchronous clocks, the small 78P2351R (7x7mm  
MLF package) is ideal for new STM1e (ES1) Small  
Form-factor Pluggable (SFP) transceiver modules.  
Receive Loss of Signal (Rx LOS) detection  
Receive Monitor Mode handles up to 20dB of  
flat loss (at max 6dB cable loss)  
APPLICATIONS  
Optional fixed backplane equalizer compensates  
for up to 1.5m of trace  
STM1e SFP modules  
SDH/ATM Line Cards  
Operates from a single 3.3V supply  
Add Drop Multiplexers (ADMs)  
PDH/SDH Test Equipment  
Digital Microwave Radios  
Multi-Service Switches  
Available in a small 7x7mm 56-pin QFN  
package  
Industrial Temperature: -40˚C to +85˚C  
BLOCK DIAGRAM  
78P2351R  
75ohm Coax  
(CMI Encoded)  
Tx Disable  
TD +  
TD -  
Fixed  
Eq.  
CDR  
LVPECL Data  
(NRZ Encoded)  
CMI  
ENDEC  
RD +  
RD -  
Adaptive  
Eq.  
CDR  
Rx LOS  
Page: 1 of 31  
2006 Teridian Semiconductor Corporation  
Rev. 2.1  

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