Some descriptive text on this page was AI-assisted from manufacturer data. Always confirm design-critical values against the current datasheet.
Use this summary for discovery only. Confirm all design-critical values against current manufacturer-controlled documentation.
Common questions from engineers and buyers evaluating this part.
The 8255A-5 is a general-purpose parallel I/O port IC used for interfacing microprocessors with peripheral devices. It provides 24 programmable I/O lines across three ports, enabling data transfer and control signal generation in various digital systems.
The 8255A-5 comes in a 40-pin plastic DIP (Dual In-line Package) with through-hole mounting. It has a rectangular shape and dual terminal position, with a terminal pitch of 2.54 mm.
The 8255A-5 is discontinued, meaning it is no longer in production. However, you may still find it through distributors or consider compatible alternatives for your design.
Commercial availability, condition, packaging and traceability are confirmed against your exact requirement through RFQ.
Submit any listed MPN for current sourcing, lifecycle and compliance review.
