| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | 54ACQ374 |  173Kb/8P | Quiet Series Octal D Flip-Flop with TRI-STATE Outputs |
| 54ACQ374D |  173Kb/8P | Quiet Series Octal D Flip-Flop with TRI-STATE Outputs |
| 54ACQ374F |  173Kb/8P | Quiet Series Octal D Flip-Flop with TRI-STATE Outputs |
| 54ACQ374L |  173Kb/8P | Quiet Series Octal D Flip-Flop with TRI-STATE Outputs |
 National Semiconductor ... | 54ACQ373 |  170Kb/8P | Quiet Series Octal Transparent Latch with TRI-STATE Outputs |
 National Semiconductor ... | 54ACQ373D |  170Kb/8P | Quiet Series Octal Transparent Latch with TRI-STATE Outputs |
| 54ACQ373F |  170Kb/8P | Quiet Series Octal Transparent Latch with TRI-STATE Outputs |
| 54ACQ373L |  170Kb/8P | Quiet Series Octal Transparent Latch with TRI-STATE Outputs |
| 54ACQ374D |  173Kb/8P | Quiet Series Octal D Flip-Flop with TRI-STATE Outputs |
| 54ACQ374F |  173Kb/8P | Quiet Series Octal D Flip-Flop with TRI-STATE Outputs |
| 54ACQ374L |  173Kb/8P | Quiet Series Octal D Flip-Flop with TRI-STATE Outputs |
| 54ACQ240 |  144Kb/8P | Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs |
 National Semiconductor ... | 54ACQ240D |  144Kb/8P | Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54ACQ240F |  144Kb/8P | Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54ACQ240L |  144Kb/8P | Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54ACQ244 |  140Kb/8P | Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54ACQ244 |  29Kb/7P | Octal Buffers/Line Drivers With TRI-State Outputs |
| 54ACQ244 |  140Kb/8P | Quiet Series Octal Buffer/Line Driver |