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SN75ALS1711 Datasheet Triple Differential Bus Transceiver

Manufacturer: Texas Instruments

Overview: SN75ALS1711 TRIPLE DIFFERENTIAL BUS TRANSCEIVER SLLS117B – APRIL 1991 – REVISED MAY 1995 D Three Bidirectional Transceivers D Driver/Receiver Meets or Exceeds the Requirements of ANSI Standard RS-485 and ANSI Standard X3.131-1986 (SCSI) D High-Speed Advanced Low-Power Schottky Circuitry D Designed for Multipoint Transmission on Long Bus Lines in Noisy Environments D Wide Positive and Negative Input/Output Bus Voltages Ranges . . . – 7 V to 12 V D Driver Output Capacity . . . ± 60 mA DW OR N PACKAGE (TOP VIEW) 1R 1DE 1D GND GND 2R 2DE 2D 3R 3DE 1 2 3 4 5 6 7 8 9 10 20 1B 19 1A 18 RE 17 CDE 16 VCC 15 2B 14 2A 13 3B 12 3A 11 3D D Driver Positive and Negative Current Limiting D Thermal Shutdown Protection D Receiver Input Sensitivity . . . ± 200 mV Max D Receiver Input Impedance . . . 12 kΩ Min D Receiver Input Hysteresis . . . 50 mV Typ Function Tables INPUT D H L X X EACH DRIVER ENABLES DE CDE HH HH LX XL OUTPUTS AB HL LH ZZ ZZ D Operates From a Single 5-V Supply EACH RECEIVER D Low Supply-Current Requirements 72 mA Max D Glitch-Free Power-up and Power-Down Protection DIFFERENTIAL INPUTS A–B VID ≥ 0.2 V VID = – 0.2 V to 0.2 V VID ≤ – 0.2 V X ENABLE RE L L L H OUTPUT R H ?

General Description

The SN75ALS1711 triple differential bus Open LH H = high level, L = low-level, ?

= indeterminate, X = irrelevant, Z = high impedance (off) transceiver is a monolithic integrated circuit designed for bidirectional data munication on multipoint bus transmission lines.

It is designed for balanced transmission lines and meets ANSI Standard RS-485 and ANSI Standard X3.131-1986 (SCSI).

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