| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | MM74HCT112 |  181Kb/3P | Dual J-K Flip-Flops with Preset and Clear |
 National Semiconductor ... | MM74HCT109 |  123Kb/4P | Dual J-K Flip-Flops with Preset and Clear |
| MM74HCT109J |  123Kb/4P | Dual J-K Flip-Flops with Preset and Clear |
| MM74HCT109N |  123Kb/4P | Dual J-K Flip-Flops with Preset and Clear |
 National Semiconductor ... | MM74HCT139 |  115Kb/4P | Dual 2-To-4 Line Decoder |
| MM74HCT139J |  115Kb/4P | Dual 2-To-4 Line Decoder |
| MM74HCT139N |  115Kb/4P | Dual 2-To-4 Line Decoder |
 National Semiconductor ... | MM74HCT147 |  105Kb/4P | 10-to-4 Line Priority Encoder |
| MM74HCT147J |  105Kb/4P | 10-to-4 Line Priority Encoder |
| MM74HCT148 |  215Kb/5P | 8-3 Line Priority Encoder |