| 制造商 | 部件名 | 数据表 | 功能描述 |
 National Semiconductor ... | 54LS169DMQB |  165Kb/8P | Synchronous 4-Bit Up/Down Binary Counter |
 National Semiconductor ... | 54LS169DMQB |  165Kb/8P | Synchronous 4-Bit Up/Down Binary Counter |
 National Semiconductor ... | 54LS169FMQB |  165Kb/8P | Synchronous 4-Bit Up/Down Binary Counter |
 National Semiconductor ... | 54LS169LMQB |  165Kb/8P | Synchronous 4-Bit Up/Down Binary Counter |
 National Semiconductor ... | 54LS160A |  173Kb/8P | Synchronous Presettable BCD Decade Counters |
| 54LS160ADMQB |  173Kb/8P | Synchronous Presettable BCD Decade Counters |
| 54LS160AFMQB |  173Kb/8P | Synchronous Presettable BCD Decade Counters |
| 54LS160ALMQB |  173Kb/8P | Synchronous Presettable BCD Decade Counters |
| 54LS161 |  210Kb/12P | Synchronous 4-Bit Binary Counters |
| 54LS161A |  210Kb/12P | Synchronous 4-Bit Binary Counters |
| 54LS161AE |  210Kb/12P | Synchronous 4-Bit Binary Counters |
| 54LS161AJ |  210Kb/12P | Synchronous 4-Bit Binary Counters |
| 54LS161AM |  210Kb/12P | Synchronous 4-Bit Binary Counters |
| 54LS161AN |  210Kb/12P | Synchronous 4-Bit Binary Counters |
| 54LS161AW |  210Kb/12P | Synchronous 4-Bit Binary Counters |