Micron Memory Part Number Decoder

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.

Some parts ending in specialized letter combinations indicate custom validation for specific automotive, industrial, or enterprise clients. To help me provide more relevant information, tell me:

The it came out of (like a PC, laptop, or video card) I can look up the exact specs, speed, and size for you. Share public link

MT53E2G32D4DT-046 AAT:B

The FBGA and Part Decoder is an official online tool provided by Micron to translate the short five-digit codes printed on chip surfaces into full, orderable part numbers.

Micron part numbers are hierarchical: a prefix identifies the product family, followed by blocks encoding density/organization, speed/voltage, package, temperature, and internal revision/lot codes. Notation varies across product lines (DRAM: DDR4/DDR5, LPDDR; NAND: SLC/MLC/TLC/QLC), but common motifs appear:

Bookmark Micron’s official Part Marking Decoder (free, no login required). Enter your string, and it spits out density, speed, voltage, and a direct datasheet link. micron memory part number decoder

), you can decode its specifications using Micron's standardized numbering systems. Example Code MT Micron Technology Product Family 40 DDR4 SDRAM (41=DDR3, 42=LPDDR2) Voltage A 1.2V (L=1.35V for DDR3L) Density/Org 512M16 512 Megabits depth x 16-bit width Package Code LY Specific FBGA package type Speed Grade -083R Clock speed/Latency (e.g., DDR4-2400) Die Revision :H Design iteration of the silicon Key Category Identifiers

Micron explicitly provides a web-based tool called the "FBGA and Component Marking Decoder" to handle this mapping. Engineers refer to this tool for a quick conversion of an FBGA code or to find the marking for a full part number. By entering the 5‑digit FBGA code, the tool returns the corresponding full part number. Conversely, inputting a full or partial part number will return the associated FBGA code(s).

Micron provides official documentation: the “Micron Memory Part Number Decoder” is actually a cross-reference guide in their datasheets and a web-based search tool on their website. But understanding the logic empowers engineers to decode at a glance without internet access. Micron memory chips often do not display their

Micron makes memory chips for computers, phones, and servers. Each chip has a long string of letters and numbers printed on it. This text is called a part number.

When looking at storage, pay close attention to these specific indicators within the string:

Micron uses different prefixes and numerical blocks for different product categories: FBGA and part decoder | Micron Technology Inc. This is where a decoder is essential