It is easier to move this AT91SAM7S128D-AU and keep it dry by using this "Tray" packaging technique. This electronic component is produced by a company. Its goal is to increase the supply of high-performance chips and better meet consumer demand. An IC is a collection of electronic components -- resistors, transistors, capacitors, etc. All stuff into a tiny chip, and connected together to achieve a common goal. This Microchip Technology's AT91SAM7S128D-AU belongs to Microcontrollers category. And its Microcontrollers that falls under the category of Embedded IC Chips. This AT91SAM7S128D-AU can function as an amplifier, oscillator, timer, counter, logic gate, computer memory, microcontroller or microprocessor. The cornerstone of all contemporary electronic gadgets is an integrated circuit (IC).