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78P7200L-IH PDF预览

78P7200L-IH

更新时间: 2024-01-26 01:20:45
品牌 Logo 应用领域
东电化 - TDK /
页数 文件大小 规格书
24页 339K
描述
E3/DS3/STS-1 Transceiver

78P7200L-IH 技术参数

生命周期:Obsolete包装说明:,
Reach Compliance Code:unknown风险等级:5.84
Base Number Matches:1

78P7200L-IH 数据手册

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78P7200L  
E3/DS3/STS-1  
Transceiver  
®
TDK SEMICONDUCTOR CORP.  
March 2001  
DESCRIPTION  
FEATURES  
The 78P7200L is a line interface transceiver IC for  
E3, DS3, STS-1, North America T3 and ATM  
applications. It includes clock recovery and  
transmitter pulse shaping functions for applications  
using 75-ohm coaxial cable at distances up to 1100  
feet. These applications include DSLAMs, T3/E3  
digital multiplexers, SONET Add/Drop multiplexers,  
PDH equipment, DS3 to Fiber optic and microwave  
modems and ATM WAN access for routers and  
switches.  
The receiver recovers clock and positive data and  
negative data from an AMI signal. It can compensate  
for over 12dB of cable and 6dB of flat loss. The  
transmitter generates a signal that meets the  
standard pulse shape requirements.  
The 78P7200L is pin and functionally compatible to  
the 78P7200. It adds loop-back and clock polarity  
selection.  
The 78P7200L is manufactured in an advanced  
BICMOS process and operates at both 5V and  
3.3 V power supply voltages. It consumes less than  
95 mA of supply current.  
Single chip transmit and receive interface for  
E3, DS3 and STS-1 applications.  
Interface to 75 ohm coaxial cable over 1100  
feet at speeds up to 51.84 Mbps.  
Compliant with ANSI T1.102-1993, Telcordia  
GR-499-CORE and GR-253-CORE, ITU-T  
G.703 and G.823 for jitter tolerance.  
Compliant with ATM FORUM af-phy-0034 (E3  
public UNI) and af-phy-0054 (DS3 public UNI).  
Easily Interfaced to ATM framer ICs such as  
PMC 7345 , 7346 QJET and 7321.  
Unique clock recovery requires no reference  
clock or crystal oscillator.  
Receive DS3-high signal  
Includes diagnostic loop-back for AMI and digital  
signals.  
Pin compatible to 78P7200 and 78P2241 (28-  
lead PLCC).  
28-lead PLCC and 48-lead TQFP packages  
3.3 or 5 V operation, ICC<95mA  
Input circuit works either Transformer or  
Capacitor coupled  
BLOCK DIAGRAM  
LPBK  
LBO  
TXEN  
TPOS  
TNEG  
TCLK  
Binary  
to  
LOUTP  
LOUTN  
PULSE  
SHAPER  
AMI  
RPOS  
RNEG  
AMI  
to  
Data  
Slicer  
LINP  
LINN  
Adaptive  
Equalizer  
Binary  
k
Cloc  
RCLK  
Recovery  
Signal  
Biasing  
RFO  
Detector  
LF  
LPBK  
LOS  

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