| 54AC253 | National Semiconductor | Dual 4-Input Multiplexer with TRI-STATE Outputs |
| 54AC257 | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |
| 54AC258 | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |
| 54AC273 | National Semiconductor | Octal D Flip-Flop |
| 54AC273WG-QML | National Semiconductor | Octal D Flip-Flop |
| 54AC280 | National Semiconductor | 9-Bit Parity Generator/Checker |
| 54AC280FM-MLS | National Semiconductor | 9-Bit Parity Generator/Checker |
| 54AC299 | National Semiconductor | 8-Input Universal Shift/Storage Register with Common Parallel I/O Pins [Life-time buy] |
| 54AC32 | National Semiconductor | Quad 2-Input OR Gate |
| 54AC373 | National Semiconductor | Octal Transparent Latch with TRI-STATE Outputs |
| 54AC374 | National Semiconductor | Octal D Flip-Flop with TRI-STATE Outputs |
| 54AC377 | National Semiconductor | Octal D Flip-Flop with Clock Enable |
| 54AC520 | National Semiconductor | 8-Bit Identity Comparator |
| 54AC521 | National Semiconductor | 8-Bit Identity Comparator |
| 54AC540 | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54AC540FM-MLS | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54AC541 | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54AC541WG-QML | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54AC574 | National Semiconductor | Octal D Flip-Flop with TRI-STATE Outputs |
| 54AC574DMQB | National Semiconductor | Octal D Flip-Flop with TRI-STATE Outputs |