74189 64-Bit RAM IC (16×4) – High-Speed TTL Static Memory, Tri-State Outputs, DIP Package

The 74189 is a high-speed 64-bit static RAM IC organized as 16 words × 4 bits, designed for small data storage and buffering in digital systems. Built using TTL technology, it provides fast read/write operations, making it suitable for applications where quick memory access is required.

This IC features tri-state outputs, allowing easy interfacing with shared data buses without signal conflicts. With separate address, data input/output, and control lines, the 74189 offers flexible memory operations for both learning and practical circuit designs.

Its compact DIP package ensures easy integration into breadboards and PCBs, making it ideal for students, hobbyists, and professionals working on digital electronics projects.