Memory modules image of code information

Code structure (18 digit)

Code structure (18 digit)
Digit (1) Module (M)
Digit (2) Module Configuration
Digit (3)-(4) Data bits Digit (5) Feature
Digit (6)-(7) Depth Digit (8) Refresh, Number of Bank in Component & Interface
Digit (9) Composition Component Digit (10) Component Generation
Digit (11) Package Digit (12) PCB Revision, Type
Digit (13) "-" Digit (14) Power
Digit (15)-(16) Speed Digit (17)~(18) Customer