| 54F109 | National Semiconductor | Dual JK (Note: Overbar Over the K) Positive Edge-Triggered Flip-Flop |
| 54F109LMQB | National Semiconductor | Dual JK (Note: Overbar Over the K) Positive Edge-Triggered Flip-Flop |
| 54F109DMQB | National Semiconductor | Dual JK (Note: Overbar Over the K) Positive Edge-Triggered Flip-Flop |
| 54F109FMQB | National Semiconductor | Dual JK (Note: Overbar Over the K) Positive Edge-Triggered Flip-Flop |
| JM38510/34102B2A | National Semiconductor | |
| JM38510/34102BEA | National Semiconductor | |
| JM38510/34102BFA | National Semiconductor | |
| JM38510/34102SEA | National Semiconductor | |
| JM38510/34102SF | National Semiconductor | |