| производитель | номер детали | датащи | подробное описание детали |
 National Semiconductor ... | 54LS27DMQB |  58Kb/2P | TRIPLE 3-INPUT NOR GATES |
 National Semiconductor ... | 54LS273 |  78Kb/3P | 8-BIT REGISTER WITH CLEAR |
| 54LS273DMQB |  78Kb/3P | 8-BIT REGISTER WITH CLEAR |
| 54LS273FMQB |  78Kb/3P | 8-BIT REGISTER WITH CLEAR |
| 54LS273LMQB |  78Kb/3P | 8-BIT REGISTER WITH CLEAR |
| 54LS279 |  137Kb/6P | Quad S-R Latches |
 National Semiconductor ... | 54LS279DMQB |  137Kb/6P | Quad S-R Latches |
| 54LS279FMQB |  137Kb/6P | Quad S-R Latches |
| 54LS279LMQB |  137Kb/6P | Quad S-R Latches |
 National Semiconductor ... | 54LS27FMQB |  58Kb/2P | TRIPLE 3-INPUT NOR GATES |
| 54LS27LMQB |  58Kb/2P | TRIPLE 3-INPUT NOR GATES |
| 54LS20 |  124Kb/6P | Dual 4-Input NAND Gates |
 National Semiconductor ... | 54LS20DMQB |  124Kb/6P | Dual 4-Input NAND Gates |
| 54LS20FMQB |  124Kb/6P | Dual 4-Input NAND Gates |
 National Semiconductor ... | 54LS20LMQB |  124Kb/6P | Dual 4-Input NAND Gates |