| 54ACT139 | National Semiconductor | Dual 1-of-4 Decoder |
| 54ACT151 | National Semiconductor | 8-Input Multiplexer |
| 54ACT153 | National Semiconductor | Dual 4-Input Multiplexer |
| 54ACT157 | National Semiconductor | Quad 2-Input Multiplexer |
| 54ACT157WGRQMLV | National Semiconductor | Quad 2-Input Multiplexer |
| 54ACT158 | National Semiconductor | Quad 2-Input Multiplexer |
| 54ACT161 | National Semiconductor | 4-Bit Binary Counter, Asynchronous Reset |
| 54ACT161WGRQMLV | National Semiconductor | 4-Bit Binary Counter, Asynchronous Reset |
| 54ACT163 | National Semiconductor | 4-Bit Binary Counter, Synchronous Reset |
| 54ACT169 | National Semiconductor | 4-Stage Synchronous Bidirectional Counter |
| 54ACT169WG-MLS | National Semiconductor | 4-Stage Synchronous Bidirectional Counter |
| 54ACT174 | National Semiconductor | Hex D Flip-Flop with Master Reset |
| 54ACT175 | National Semiconductor | Quad D Flip-Flop |
| 54ACT240 | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54ACT241 | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54ACT241WG-QMLV | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54ACT244 | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54ACT245 | National Semiconductor | Octal Bidirectional Transceiver with TRI-STATE Inputs/ Outputs |
| 54ACT251 | National Semiconductor | 8-Input Multiplexer with TRI-STATE Output |
| 54ACT2525 | National Semiconductor | 1-to-8 Minimum Skew Clock Driver |