ATMEGA328P-AU Procurement FAQ
ATMEGA328P-AU — Arduino-class 8-bit AVR MCU in TQFP — still heavily searched for repair and OEM.. Use this page for purchase decisions, then open the product page for live stock and RFQ.
ATMEGA328P-AU vs ATMEGA328P-PU — which package do I need?
AU is TQFP-32 (SMT); PU is DIP-28 (through-hole). Match the PCB. Firmware is largely compatible within 328P, but package is not interchangeable.
Is ATMEGA328P-AU still available for production?
Yes via Microchip channels and surplus. Lead times vary — send qty and we quote sealed tray vs loose. Consider AVR128DB / PIC alternatives for new designs.
How to avoid fake ATmega328P on the market?
Check laser marking depth, package mold texture and programming verify. We prefer factory-sealed trays and can do blank-check / signature read.
MOQ for ATMEGA328P-AU samples?
Samples and low MOQ are usually possible on in-stock lines. Reel / full tray pricing kicks in at higher breaks — ask for tier pricing.