| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | 54F821SDM |  153Kb/8P | 10-Bit D-Type Flip-Flop |
 National Semiconductor ... | 54F821FM |  153Kb/8P | 10-Bit D-Type Flip-Flop |
| 54F821LM |  153Kb/8P | 10-Bit D-Type Flip-Flop |
| 54F821 |  153Kb/8P | 10-Bit D-Type Flip-Flop |
| 54F823 |  158Kb/8P | 9-Bit D-Type Flip-Flop |
| 54F823FM |  158Kb/8P | 9-Bit D-Type Flip-Flop |
| 54F823LM |  158Kb/8P | 9-Bit D-Type Flip-Flop |
| 54F823SDM |  158Kb/8P | 9-Bit D-Type Flip-Flop |
| 54F825 |  161Kb/8P | 8-Bit D-Type Flip-Flop |
| 54F825FM |  161Kb/8P | 8-Bit D-Type Flip-Flop |
| 54F825LM |  161Kb/8P | 8-Bit D-Type Flip-Flop |
| 54F825SDM |  161Kb/8P | 8-Bit D-Type Flip-Flop |
| 54F827 |  164Kb/8P | 10-Bit Buffers/Line Drivers |
| 54F827FM |  164Kb/8P | 10-Bit Buffers/Line Drivers |
| 54F827LM |  164Kb/8P | 10-Bit Buffers/Line Drivers |
| 54F827SDM |  164Kb/8P | 10-Bit Buffers/Line Drivers |
| 54F86 |  137Kb/6P | 2-Input Exclusive-OR Gate |
| 54F86DM |  137Kb/6P | 2-Input Exclusive-OR Gate |
| 54F86FM |  137Kb/6P | 2-Input Exclusive-OR Gate |
| 54F86LM |  137Kb/6P | 2-Input Exclusive-OR Gate |