| 8473.30 | 011 | -- DRAM (Dynamic random access memory) modules, mounted one or more DRAMs on a circuit board, having a terminal to connect to automatic data processing machines or units thereof, whether or not parts other than DRAMs to just work for the function of DRAMs are mounted |
| 8542.32 | 011 | -- DRAM (Dynamic random access memory), metal oxide semiconductors (MOS technology) of the digital monolithic integrated circuits |
| 8542.32 | | -- RAM (Random access memory) |
| 8542.32 | 021 | --- DRAM (Dynamic random access memory), metal oxide semiconductors (MOS technology) of the digital monolithic integrated circuits |
| 8542.32 | | -- ROM (Read only memory) |
| 8542.32 | 031 | --- Flash memory |
