The FX614D4 is an integrated circuit designed for modem applications. It falls under the category of modems and is used for data transmission and reception. The FX614D4 supports FSK and Bell 202 data formats, making it compatible with a wide range of systems. It has a baud rate of 1.2k, enabling efficient data communication. The voltage supply ranges from 3V to 5.5V, providing flexibility in power source selection. This integrated circuit is surface mountable and comes in a 16-SOIC package, measuring 0.295 inches in width. Manufactured by CML Microcircuits, the FX614D4 is an active product used in various modem applications.