| 制造商 | 部件名 | 数据表 | 功能描述 |
 National Semiconductor ... | 54LS74LMQB |  136Kb/6P | Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear and Complementary Outputs |
 National Semiconductor ... | 54LS74DMQB |  136Kb/6P | Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear and Complementary Outputs |
| 54LS74FMQB |  136Kb/6P | Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear and Complementary Outputs |
| 54LS74 |  136Kb/6P | Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear and Complementary Outputs |
 National Semiconductor ... | 54LS00 |  120Kb/6P | Quad 2-Input NAND Gates |
 National Semiconductor ... | 54LS00E |  120Kb/6P | Quad 2-Input NAND Gates |
 National Semiconductor ... | 54LS00J |  120Kb/6P | Quad 2-Input NAND Gates |
| 54LS00M |  120Kb/6P | Quad 2-Input NAND Gates |
| 54LS00N |  120Kb/6P | Quad 2-Input NAND Gates |
| 54LS00W |  120Kb/6P | Quad 2-Input NAND Gates |
| 54LS02 |  120Kb/6P | Quad 2-Input NOR Gates |
| 54LS02E |  120Kb/6P | Quad 2-Input NOR Gates |
| 54LS02J |  120Kb/6P | Quad 2-Input NOR Gates |