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XRT5683A Datasheet(PDF) 1 Page - Exar Corporation |
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XRT5683A Datasheet(HTML) 1 Page - Exar Corporation |
1 / 12 page XR-T5683A ...the analog plus companyTM PCM Line Interface Chip Rev. 2.01 E1995 EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 z (510) 668-7000 z FAX (510) 668-7017 1 June 1997-3 FEATURES D Single 5V Supply D Receiver Input Can Be Either Balanced or Unbalanced D Up To 8.448Mbps Operation In Both Tx and Rx Directions D TTL Compatible Interface D Device Can Be Used as a Line Interface Unit With- out Clock Recovery APPLICATIONS D T1, T2, E1 & E2 Rates, PCM Line Interface D Network Multiplexing and Terminating Equipment GENERAL DESCRIPTION The XR-T5683A is a PCM line interface chip consisting of both transmit and receive circuitry. This device is offered in a plastic dual in-line (PDIP) or in a surface mount package (SOIC). The maximum bit rate of the chip is 8.448Mbps, and the signal level to the receiver can be attenuated by -10dB cable loss at one-half the bit rate. At nominal supply voltage operation, the typical current consumption is 40mA. ORDERING INFORMATION Part No. Package Operating Temperature Range XR-T5683AIP 18 Lead 300 Mil PDIP -40 °C to +85°C XR-T5683AID 18 Lead 300 Mil JEDEC SOIC -40 °C to +85°C BLOCK DIAGRAM Figure 1. Block Diagram RPOS 11 Positive Threshold Comparator PDC 1 Peak Detector BIAS RXDATA+ 2 RXDATA- 3 Negative Threshold Comparator TE 4 TTL Buffer TANK BIAS 6 RNEG 10 RCLK 8 BIAS 5 TXDATA+ 13 Open Collector Driver BIAS TVCC 18 RGND 7 RVCC 9 TPOS 17 TCLK 16 TNEG 12 TGND 14 TXDATA- 15 Open Collector Driver TTL Buffer TTL Buffer |
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