| 型号 | 厂家 | 描述 | 大小 | 页数 | 厂家标志 |
|---|---|---|---|---|---|
| 74LS161PC | Synchronous Up Counter | 128 KB | 0 | ||
| 74LS158D | Synchronous Up Counter | 128 KB | 0 | ||
| 74LS182N | Synchronous Up Counter | 128 KB | 0 | ||
| 74LS168 | National Semiconductor | 54LS168 Synchronous Bi-Directional BCD Decade Counter | 131 KB | 6 |  |
| 74LS169BN | National Semiconductor | 54LS168 Synchronous Bi-Directional BCD Decade Counter | 131 KB | 6 | |
| 74LS256P | National Semiconductor | 54LS168 Synchronous Bi-Directional BCD Decade Counter | 131 KB | 6 | |
| 74LS27DR | National Semiconductor | 54LS168 Synchronous Bi-Directional BCD Decade Counter | 131 KB | 6 | |
| 74LS26B1 | National Semiconductor | 54LS168 Synchronous Bi-Directional BCD Decade Counter | 131 KB | 6 | |
| 74LS299DW | National Semiconductor | 54LS168 Synchronous Bi-Directional BCD Decade Counter | 131 KB | 6 | |
| 74LS299PC | National Semiconductor | 54LS168 Synchronous Bi-Directional BCD Decade Counter | 131 KB | 6 | |
| 74LS42DC | National Semiconductor | BCD-To-Decimal Decoder | 121 KB | 0 | |
| 74LS490 | National Semiconductor | BCD-To-Decimal Decoder | 121 KB | 0 | |
| 74LS365APC | National Semiconductor | 6-Bit Buffer/Driver | 121 KB | 0 | |
| 74LS368ADR2 | National Semiconductor | 6-Bit Buffer/Driver | 121 KB | 0 | |
| 74LS375PC | National Semiconductor | 6-Bit Buffer/Driver | 121 KB | 0 | |
| 74LS85DC | National Semiconductor | Magnitude Comparator | 119 KB | 0 | |
