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 P8257 is a DMA controller that manages direct memory access transfers in microprocessor systems, offloading the CPU. It supports up to 4 DMA channels and is compatible with Intel's MCS-85 bus architecture.
The P8257 comes in a 40-pin plastic DIP (Dual In-line Package) with a rectangular body. It is designed for through-hole mounting, with a lead pitch of 2.54 mm.
The P8257 has been discontinued by Intel. However, it may still be available from distributors or as surplus stock. For current availability and alternatives, please contact us.
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.
