HD293486 Quadruple Dfferential Line Receivers With 3 State Outputs The HD293486 features quadruple Differential line receivers designed to meet the specs of EIA RS–422A and RS–423A.
This device operates from a single 5 V power supply.
When the enable input is low the associated outputs are in a high impedance state.
Pin Arrangement 1B 1A 1Y 1,2 Output Enable 2Y 1 2 3 4 5 6 7 8 (Top View) 16 15 14 13 12 11 10 9 Vcc 4B 4A 4Y 3,4 Output Enable 3Y 3A 3B Logic Diagram 1A 1Y 1B 1,2 Output Enable 2A 2Y 2B 3A 3B 3,4 Output Enable 4A 4Y 4B 3Y 2A 2B GND Function Table Differential Input A–B VID ≥ 0.
2 V –0.
2 V VID 0.
2 V VID ≤ –0.
2 V X H L X ? Z : : : : : High level Low level Irrelevant Indeterm...

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