The products described herein are TTL compatible dual high speed circuits intended for sensing in a broad range of system applications While the primary usage will be for line receivers of MOS sensing any of the products may effectively be used as voltage comparators level translators window detectors transducer preamplifiers and in other sensing applications As digital line receivers the products are applicable with the SN55109 SN75109 and mA75110 DS75110 companion drivers or may be used in other balanced or unbalanced party-line data transmission systems The improved input sensitivity and delay specifications of the DS75208 make it ideal for sensing high performance MOS memories as well as high sensitivity line receivers and voltage comparators