| 54ACTQ16646 | National Semiconductor | 16-Bit Transceiver/Register with TRI-STATE Outputs |
| 54ACTQ240 | National Semiconductor | Quiet Series Inverting Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54ACTQ241 | National Semiconductor | Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54ACTQ244 | National Semiconductor | Quiet Series Octal Buffer/Line Driver w/TRI-STATE Outputs |
| 54ACTQ245 | National Semiconductor | Quiet Series Octal Bidirectional Transceiver w/TRI-STATE Outputs |
| 54ACTQ245W-QMLV | National Semiconductor | Quiet Series Octal Bidirectional Transceiver w/TRI-STATE Outputs |
| 54ACTQ273 | National Semiconductor | Quiet Series Octal D Flip-Flop |
| 54ACTQ32 | National Semiconductor | Quad 2-Input OR Gate |
| 54ACTQ373 | National Semiconductor | Quiet Series Octal Transparent Latch with TRI-STATE Outputs |
| 54ACTQ374 | National Semiconductor | Quiet Series Octal D Flip-Flop with TRI-STATE Outputs |
| 54ACTQ377 | National Semiconductor | Octal D Flip-Flop with Clock Enable |
| 54ACTQ533 | National Semiconductor | Quiet Series Octal Transparent Latch with TRI-STATE Outputs |
| 54ACTQ533DMQB | National Semiconductor | Quiet Series Octal Transparent Latch with TRI-STATE Outputs |
| 54ACTQ533FMQB | National Semiconductor | Quiet Series Octal Transparent Latch with TRI-STATE Outputs |
| 54ACTQ533LMQB | National Semiconductor | Quiet Series Octal Transparent Latch with TRI-STATE Outputs |
| 54ACTQ541 | National Semiconductor | Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54ACTQ543 | National Semiconductor | Quiet Series Octal Registered Transceiver with TRI-STATE Outputs |
| 54ACTQ543FMQB | National Semiconductor | Quiet Series Octal Registered Transceiver with TRI-STATE Outputs |
| 54ACTQ543LMQB | National Semiconductor | Quiet Series Octal Registered Transceiver with TRI-STATE Outputs |
| 54ACTQ543SDMQB | National Semiconductor | Quiet Series Octal Registered Transceiver with TRI-STATE Outputs |