The Texas Instruments AM26C31QD is a quadruple differential line driver designed for TIA/EIA-422-B and ITU recommendation V.11 standards. It operates from a single 5V supply and is available in a 16-SOIC package.
The AM26C31QDR is a quadruple differential line driver from Texas Instruments. It features 10 Mbps signaling rate, operates from 4.5V to 5.5V, and comes in a 16-SOIC package.