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Common questions from engineers and buyers evaluating this part.
The QD8257-5 is a DMA controller used to manage data transfers between peripherals and memory without CPU intervention. It is commonly used in Intel MCS-85 microprocessor systems.
The QD8257-5 is available in a ceramic, glass-sealed DIP (Dual In-line Package) with 40 pins. It has a through-hole mounting style with a lead pitch of 2.54mm.
The QD8257-5 is discontinued, meaning it is no longer in active production. However, we may still have stock available; please contact us for current availability.
Commercial availability, condition, packaging and traceability are confirmed against your exact requirement through RFQ.
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