BUY MM88C30N https://www.utsource.net/itm/p/643170.html
Dual Differential Line Driver; Package: DIP; No of Pins: 14; Container: Rail
The MM88C30N is a single-chip voice/data modem manufactured by National Semiconductor. It is a DIP-14 package and is designed for use in applications such as fax machines, modems, and voice mail systems. The MM88C30N is a full-duplex modem that supports data rates up to 14.4 Kbps. It supports both V.21 and V.22bis modulation schemes and has a built-in echo canceller. The modem also has a built-in DTMF (Dual Tone Multi-Frequency) decoder for use in voice applications. The MM88C30N is designed for use in applications such as fax machines, modems, and voice mail systems. It can be used in both residential and commercial applications. The modem is also suitable for use in ISDN applications. (For reference only)