Micron provides comprehensive PDF manuals that break down the logic for different product families:
Another example: embedded systems often require low-power LPDDR4X. Part number “MT53E1G32D2FW-046” decodes as: LPDDR4X, 1G x 32 (32Gb density), “046” = 4.266 Gb/s. Using a standard DDR4 part instead would break power and signal integrity. micron memory part number decoder