MT8870 is currently the most popular. Direvitieves are MT8880 and MT8888 which add DTMF encoding capability.
Other harder to find chips that are out of production are the SSI-204 and SSI-202 On 4/9/07, skipp025 <[EMAIL PROTECTED]> wrote: > What is/was the part number for the popular dtmf chip somebody > is/was looking for a short time back? > > skipp > > > > > > > Yahoo! Groups Links > > > >

