2Pcs EF6821P MC6821P 6821 PIA Peripheral Interface Adapter IC DIP-40

Integrated PIA (Peripheral Interface Adapter) with two independent 8‑bit bidirectional I/O ports (16 I/O lines total), each configurable as input or output for flexible peripheral connection. Comes in classic 40‑pin plastic dual in‑line package (DIP‑40), 2.54mm pin pitch, easy for manual soldering and breadboard prototyping. Works with 5V DC power supply

compatible with 6800/6801/6803/6805/6809/68HC11 and other MPUs, ideal for retro computing and industrial control systems. Features 4 individually controlled interrupt input lines, programmable control registers, and handshake logic for reliable data transfer and real‑time peripheral management. Equivalent replacement for MC6821P/6821. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU Product Safety and Compliance laws.

Brand Name: Generic Number of Items: 5 Manufacturer: Lyofeon Included Components: Adapter Part Number: Lyofeon6821