Si2439

Si2439 devices implement a complete PSTN model with a maximium speed of 33600 bps. The on-chip command processor handles all time-critical tasks and makes them easy to integrate into your system. Our patented direct access arrangement (DAA) technology implements a globally-compliant telephone line interface with unparalleled integration and proven robustness. A single hardware design can support all speeds and countries with a single bill of materials (BOM).