- DM54LS74AJ
- Fairchild Semiconductor
- Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear and Complementary Outputs
- DM54LS74AW
- Fairchild Semiconductor
- Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear and Complementary Outputs
- DM54LS74A
- National Semiconductor
- Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear and Complementary Outputs
- DM54LS74AJ
- National Semiconductor
- Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear and Complementary Outputs
- DM54LS74AW
- National Semiconductor
- Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear and Complementary Outputs