Zilog Modems - ICs and Modules Z0220516SSCR4259

The Z0220516SSCR4259 is a V.22bis modem controller designed for embedded applications requiring low power consumption and compact size. It features 16 KB of ROM and 237 bytes of RAM, operating at a speed of 16 MHz. The device includes an on-chip AT command set interpreter, eliminating the need for external memory. It supports both tone and pulse dialing, call progress monitoring, and handshake controls, making it suitable for various communication tasks. This modem controller operates over dial-up telephone connections and can function in both synchronous and asynchronous modes. It incorporates enhanced wake-up circuitry, programmable Watch-Dog Timers, and dynamic power management, contributing to its efficiency. The Z0220516SSCR4259 is available in a 28-pin SOIC package and operates within a temperature range of 0¬8C to +70¬8C, with a supply voltage of 4.5V to 5.5V. It is compatible with ZiLOG data pumps, specifically designed for low-cost applications.