| Manufacturer | Part Number | Description |
|---|---|---|
National Semiconductor (now Texas Instruments)
| DM74LS73A | DUAL NEGATIVE-EDGE-TRIGGERED MASTER-SLAVE J-K FLIP-FLOPS |
Fairchild (now onsemi)
| DM74LS73A | Dual Negative-Edge-Triggered Master-Slave J-K Flip-Flops |
