| Manufacturer | Part Number | Description |
|---|---|---|
Texas Instruments |
SN54LS109A | Dual J-K Positive-Edge-Triggered Flip-Flops |
Texas Instruments |
54LS109A | Dual J-K Positive-Edge-Triggered Flip-Flops |
| DM54LS109A | Dual Positive-Edge-Triggered J-K Flip-Flops with Preset/ Clear/ and Complementary Outputs | |
| 54LS109 | Dual Positive-Edge-Triggered J-K Flip-Flops | |
Motorola Semiconductor (now NXP Semiconductors) |
SN54LS109A | DUAL JK POSITIVE EDGE-TRIGGERED FLIP-FLOP |