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XRT-6164

Exar Corporation

Digital Line Interface Transceiver

www.DataSheet4U.com XRT6164 Digital Line Interface Transceiver February 2007 FEATURES z z APPLICATIONS z z Single 5V...



XRT-6164

Exar Corporation


Octopart Stock #: O-611837

Findchips Stock #: 611837-F

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Description
www.DataSheet4U.com XRT6164 Digital Line Interface Transceiver February 2007 FEATURES z z APPLICATIONS z z Single 5V Supply CCITT G.703 Compatible When Used With Either XR-T6165 or XR-T6166 Low Power TTL Compatible Digital Inputs and Outputs Links Remote Equipment at Distances up to 500 Meters Without Equalization Receive Data Comparator Thresh
More View old Storage Provides Ping-Pong Operation Capability Loss of Signal Alarm Dual Matched Driver Outputs Data Adaption Unit (DAU) General Purpose TTL Compatible Line Interface z z z z z z GENERAL DESCRIPTION The XRT6164 is a CMOS analog chip intended for general purpose line interface applications at bit rates up to 1.544Mbps (T1). It contains both receive and transmit circuitry in a 16-pin dual-in-line plastic package. The receiver is designed for short line applications having a cable loss up to 10dB measured at the half bit rate. The transmitter has open collector line driver outputs that are capable of handling up to 40mA. When used in conjunction with either XRT6165 or XRT6166, the chip set provides a 64Kbps codirectional interface as specified in CCITT G.703. ORDERING INFORMATION Operating Part No. XRT6164CP XRT6164CD Package 16-Lead 300 Mil PDIP 16-Lead 300 Mil JEDEC SOIC Temperature Range 0°C to +70°C 0°C to +70°C Rev. 4.0.0 EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 • (510) 668-7000 • FAX (510) 668-7017 XRT6164 Block DIagram PEAK CAP 14 Positive Data Comparator 12 S+R RX+I/P RX-I/P 16 1 Peak Detector Threshold Generator TTL Buffer 5 S-R TCM CON 15 TCM Control Negative Data Comparator TTL Buffer RX ALARM 3 TTL Buffer VCCA GNDA 13 Bias 4 2 I/P BIAS Open Collector Driver TX+I/P 11 10 TX + O/P TX-I/P 6 8 TX - O/P Open Collector Driver VCCD GNDD 9 7 Figure 1. XRT6164 Block Diagram Rev. 4.0.0 2 XRT6164 PIN CONFIGURATION 16 Lead PDIP (0.300”) PIN DESCRIPTION Pin# Symbol Type 1 RX-I/P I 2 I/P BIAS O 3 RX ALARM O 4 GNDA 5 S-R O 6 TX-I/P I 7 GNDD 8 TX-O/P O 9 V CCD 10 TX+O/P O 11 TX+I/P I 12 S+R O 13 V CCA 14 PEAKCAP 1 5 TCM CON I 16 RX+I/P I 16 Lead SOIC (Jedec, 0.300”) Description Receiver Negative Bipolar Input. Line analog input. Receive Input Bias. Connects to center tap of input transformer secondary winding. Loss of Signal Alarm. Active low. Analog Ground. Receive Negative Data Output. Output from negative bipolar input pulses (active low). Transmit Negative Input Data. Input for negative output driver (active high). Digital Ground. Transmit Negative Output Driver. Open collector, drives output transformer primary. +5V +/-5% Digital Supply. Transmit Positive Output Driver. Open collector, drives output transformer primary. Transmit Positive Input Data. Input for positive output driver (active high). Receive Positive Data Output. Output from positive bipolar input pulses (active low). +5V +/-5% Analog Su






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