The Phoenix Contact 2746087 is a high-performance slave protocol chip designed for INTERBUS systems, featuring the IBS SUPI 3 QFP configuration. This industrial-grade chip supports external expansion up to 64 bytes and operates at a power supply voltage of 5 V DC ±10%. Ideal for robust industrial automation applications, it ensures reliable communication within INTERBUS networks. As a QFP 100 type, it replaces the discontinued PLCC 84, offering enhanced integration capabilities for modern automation systems.