| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | 54ACT899 |  311Kb/12P | 9-Bit Latchable Transceiver with Parity Generator/Checker |
| 54ACT899 |  214Kb/14P | 9-Bit Latchable Transceiver with Parity Generator/Checker |
| 54ACT899QCQB |  214Kb/14P | 9-Bit Latchable Transceiver with Parity Generator/Checker |
| 54ACT899QCX |  214Kb/14P | 9-Bit Latchable Transceiver with Parity Generator/Checker |
| 54ACT899QMQB |  214Kb/14P | 9-Bit Latchable Transceiver with Parity Generator/Checker |
| 54ACT899QMX |  214Kb/14P | 9-Bit Latchable Transceiver with Parity Generator/Checker |
 National Semiconductor ... | 54ACT899QCQB |  214Kb/14P | 9-Bit Latchable Transceiver with Parity Generator/Checker |
| 54ACT899QCX |  214Kb/14P | 9-Bit Latchable Transceiver with Parity Generator/Checker |
| 54ACT899QMQB |  214Kb/14P | 9-Bit Latchable Transceiver with Parity Generator/Checker |
| 54ACT899QMX |  214Kb/14P | 9-Bit Latchable Transceiver with Parity Generator/Checker |
| 54ACT818 |  151Kb/10P | 8-Bit Diagnostic Register |
| 54ACT818D |  151Kb/10P | 8-Bit Diagnostic Register |
| 54ACT818L |  151Kb/10P | 8-Bit Diagnostic Register |
| 54ACT821 |  163Kb/8P | 10-Bit D Flip-Flop with TRI-STATE Outputs |
| 54ACT821F |  163Kb/8P | 10-Bit D Flip-Flop with TRI-STATE Outputs |
| 54ACT821L |  163Kb/8P | 10-Bit D Flip-Flop with TRI-STATE Outputs |
| 54ACT821SD |  163Kb/8P | 10-Bit D Flip-Flop with TRI-STATE Outputs |
| 54ACT823 |  134Kb/8P | 9-Bit D Flip-Flop |
| 54ACT823 |  153Kb/8P | 9-Bit D Flip-Flop |
| 54ACT823DMQB |  134Kb/8P | 9-Bit D Flip-Flop |