The last numbers or letters after a dash tell you how fast the chip runs.
In the world of semiconductor engineering, a component’s part number is far more than a mere inventory label. It is a dense, cryptic shorthand that encodes the device’s entire technical identity—its density, architecture, speed, package, temperature range, and compliance status. For memory products from Micron Technology, one of the world’s largest manufacturers of DRAM and NAND flash, decoding this alphanumeric string is an essential skill for hardware designers, purchasing agents, and firmware engineers. The Micron memory part number decoder is not a physical tool but a systematic methodology—a logical key to unlocking the specifications hidden within a 15- to 25-character part number. Mastering this decoder allows one to determine compatibility, optimize system performance, and avoid costly design errors.
: Compare specific Micron part numbers against competitors or find exact technical specs.
Different variations of chip-scale packaging optimized for thermal efficiency. 6. Speed Grade / Clock Cycle Time
By mastering this system, you can eliminate guesswork, streamline component sourcing, and guarantee system compatibility every time. micron memory part number decoder
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Separated usually by a hyphen ( - ), the speed grade determines the performance ceiling of the chip.
Locate the 5-digit code printed on the top surface of the IC (Integrated Circuit). It usually starts with a letter like "D9" for DRAM or "NW" for NAND.
Identifies automotive, industrial, or commercial grade components. The last numbers or letters after a dash
: Explains the system for flash density, interface, and operating temperature (e.g., MT29F series).
Micron’s part numbering system for DRAM is well-structured. Most DDR4 and DDR5 component part numbers begin with the prefix "MT," which stands for Micron Technology. This is followed by a two-digit number that denotes the product family and memory type (e.g., 48 for SDRAM, 46 for DDR SDRAM, 40 for DDR4, and 60 for DDR5).
Verify the if your hardware will be deployed in extreme environments requiring industrial or automotive temperature tolerances.
Decoding Micron memory part numbers requires an understanding of the standardized format and the specific information conveyed by each segment. By analyzing the part number, engineers, procurement specialists, and distributors can quickly identify the product family, type, density, speed, package, and other key characteristics. This knowledge can help streamline the component sourcing process, reduce errors, and ensure compatibility with specific applications. For memory products from Micron Technology, one of
Represents the maximum transfer speed in megatransfers per second (MT/s) or nanoseconds.
NOR Flash part numbers, such as the popular MT25QL128ABA1ESE-0SIT in the MT25Q series or the legacy M25P and N25Q series, follow their own structure for easy identification . For the series, the part number N25Q064A11E reveals:
Micron memory chips often do not display their full part numbers directly on the chip. Space constraints on compact FBGA (Fine-Pitch Ball Grid Array) packages mean only an abbreviated marking is printed on each component, which is completely different from the official part number. A typical Micron chip might show markings like “PPE39 7LW75 D9WDL” where only the second or third line of text is the identifying code. This is where a decoder is essential.
Understanding the Micron Memory Part Number Decoder: A Complete Guide