MC145574DW

The MC145574DW from Motorola is an ISDN line interface integrated circuit created to handle the electrical and signalling requirements between digital equipment and the ISDN network. It combines several interface functions into one compact device, helping designers reduce external components while maintaining reliable communication performance. This IC is typically used in telecom adapters, terminal equipment, gateways, and legacy network hardware that depends on stable ISDN connectivity. By integrating line control and signal management features, the MC145574DW simplifies board layout and shortens development time compared to discrete solutions. Engineers benefit from predictable behaviour, proven field reliability, and compatibility with established reference designs. Florida Circuit supplies genuine Motorola parts with careful inspection and traceability, making it easier to source replacements or support ongoing production. Choose the MC145574DW when you need a dependable, space-saving ISDN interface for repair, refurbishment, or new telecom builds.