The DS9637A is a Schottky dual differential line receiver which has been specifically
designed to satisfy the requirements of EIA Standards RS-422 and RS-423. In addition, the DS9637A
satisfies the requirements of MIL-STD 188-114 and is compatible with the International Standard
CCITT recommendations. The DS9637A is suitable for use as a line receiver in digital data systems,
using either single ended or differential, unipolar or bipolar transmission. It requires a single
5V power supply and has Schottky TTL compatible outputs. The DS9637A has an operational input
common mode range of ±7V either differentially or to ground.