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.
Use Micron’s official decoder for precise results, but the patterns above will help you quickly identify basic specs. micron memory part number decoder
4. Package and Ball Configuration
“RC” is a package designator. “R” often stands for a 78-ball BGA (for x16 DDR4), while “C” may specify the ball map or lead-free status. Other letters indicate different ball counts or package types (e.g., “U” for 96-ball BGA). This field ensures physical compatibility with PCB footprints. The Micron Memory Part Number Decoder: A Blueprint
Micron FBGA and Part Marking Decoder is an essential technical utility for hardware engineers, repair technicians, and enthusiasts who need to identify specific memory chips. Because FBGA-packaged components are too small to fit a full marketing part number, Micron uses a shorthand 5-digit code (the "FBGA code") laser-marked on the chip. Key Features Abbreviation Translation RC = 78-ball FBGA (x16) RD = 96-ball
: It acts as a bridge between the physical marking on a chip (e.g., a five-digit alphanumeric string like "D9WFK") and the official Marketing Part Number (MPN) Data Sheet Access
Serial Presence-Detect (SPD) Lookup: Allows users to find technical specs by entering a DRAM module part number.
RC = 78-ball FBGA (x16)RD = 96-ball FBGA (x8)RE = 96-ball FBGA with different pinoutXB = WFBGA (very small)