W91312, Tone-Pulse Dialer IC, DIP-18

The W91312 is a Tone/Pulse Dialer IC designed for use in telecommunication systems, such as landline telephones, PBX systems, and embedded dialing applications. It provides an integrated solution for dialing operations, supporting DTMF (tone) and pulse dialing methods.

Featuring a 32-digit redial memory, the W91312 allows users to store and redial the last dialed number with a single button press. The pulse-to-tone (P→T) function facilitates long-distance dialing compatibility, ensuring smooth operation across different telephone networks.

The IC also includes flash, pause, and memory storage functions, enhancing dialing flexibility. The break/make ratio is user-selectable, allowing customization for different telecommunications standards. Packaged in a DIP-18 format, the W91312 is optimized for through-hole PCB designs, making it ideal for telephone manufacturing and repair applications.

• Dual Mode Dialing: Supports both DTMF (Dual-Tone Multi-Frequency) and Pulse Dialing, making it compatible with various telecommunication systems.
• 32-Digit Redial Memory: Allows users to store and redial the last dialed number for convenience.
• Pulse-to-Tone Switching (P→T): Enables seamless transition from pulse to tone dialing for long-distance calls.
• Flash and Pause Functions: Supports flash, pause, and pulse-to-tone conversion, enhancing usability.
• Selectable Break/Make Ratio: Allows customization of pulse dialing settings via pin configuration.
• DIP-18 Package for Easy Integration: Through-hole design for direct PCB mounting in telecom systems.