| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 | 
|---|
| 1 | HD404639R | HMCS400 Series Application Notes/Q&A | 828K |   |   | 
| 2 | HD404639R | 4-Bit Single-Chip Microcomputer | 471K |   |   | 
| 3 | HD404639RF | 4-Bit Microcontroller | 913K |   |   | 
| 4 | HD404639RF | 4-Bit Single-Chip Microcomputer | 471K |   |   | 
| 5 | HD404639RSERIES | 435K |   |   |