XRT5683A
XRT5683A is PCM Line Interface Chip manufactured by Exar.
XR-T5683A
...the analog plus pany TM
PCM Line Interface Chip
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 patible Interface D Device Can Be Used as a Line Interface Unit Without 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 ORDERING INFORMATION
Part No. XR-T5683AIP XR-T5683AID Package 18 Lead 300 Mil PDIP 18 Lead 300 Mil JEDEC SOIC Operating Temperature Range -40°C to +85°C -40°C to +85°C attenuated by -10d B cable loss at one-half the bit rate. At nominal supply voltage operation, the typical current consumption is 40m A.
BLOCK DIAGRAM
1 PDC Positive Threshold parator TTLBuffer 11 RPOS RXDATA+ 2 RXDATA- 3 TTLBuffer Negative Threshold parator 8 RCLK 4 TTLBuffer TE
Peak Detector
10 RNEG 6 TANK BIAS
BIAS RVCC 9 RGND 7 TVCC 18 TPOS 17 TCLK 16 TNEG 12 TGND 14 Open Collector Driver BIAS
BIAS
Open Collector Driver 13 TXDATA+ 15 TXDATA-
Figure 1. Block Diagram
Rev. 2.01
E1995
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 z (510) 668-7000 z FAX (510) 668-7017 1
XR-T5683A
PIN CONFIGURATION
PDC RXDATA+ RXDATATE BIAS TANK BIAS RGND RCLK RVCC
1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10
TVCC TPOS TCLK TXDATATGND TXDATA+ TNEG RPOS RNEG
PDC RXDATA+ RXDATATE BIAS TANK BIAS RGND RCLK RVCC
1 2 3 4 5 6 7 8 9
18 17 16 15 14 13 12 11 10
TVCC TPOS TCLK TXDATATGND TXDATA+ TNEG RPOS RNEG
18 Lead PDIP...