| 型号 | 厂家 | 描述 | 大小 | 页数 | 厂家标志 |
|---|---|---|---|---|---|
| D4990A | KB | ||||
| D4992 | KB | ||||
| D4993A | KB | ||||
| D4991A | KB | ||||
| D4990AC | KB | ||||
| D4991 | NEC ELECTRONICS | 时钟芯片 | 134 KB | 0 |  |
| D4991AC | NEC ELECTRONICS | 时钟芯片 | 134 KB | 0 | |
| D4991G | NEC ELECTRONICS | 时钟芯片 | 134 KB | 0 | |
| D4990 | NEC ELECTRONICS | 时钟芯片 | 134 KB | 0 | |
| D49783 | NEC ELECTRONICS | 时钟芯片 | 134 KB | 0 | |
| D4991C | NEC ELECTRONICS | 时钟芯片 | 134 KB | 0 | |
| D4993 | NEC ELECTRONICS | 时钟芯片 | 134 KB | 0 | |
| D49307 | NEC ELECTRONICS | 时钟芯片 | 134 KB | 0 | |
| D494G | NEC ELECTRONICS | 时钟芯片 | 134 KB | 0 | |
| D4991A/G | NEC ELECTRONICS | 时钟芯片 | 134 KB | 0 | |
| D49HG | NEC ELECTRONICS | 时钟芯片 | 134 KB | 0 | |
