| 54F161A | National Semiconductor | Synchronous Presettable 4-Bit Binary Counter (Asynchronous Reset) |
| 54F161ALMQB | National Semiconductor | Synchronous Presettable 4-Bit Binary Counter (Asynchronous Reset) |
| 54F161ADMQB | National Semiconductor | Synchronous Presettable 4-Bit Binary Counter (Asynchronous Reset) |
| 54F163A | National Semiconductor | Synchronous Presettable 4-Bit Binary Counter (Synchronous Reset) |
| 54F163ALMQB | National Semiconductor | Synchronous Presettable 4-Bit Binary Counter (Synchronous Reset) |
| 54F163ADMQB | National Semiconductor | Synchronous Presettable 4-Bit Binary Counter (Synchronous Reset) |