| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | MM74HCT151 |  137Kb/4P | 8-Channel Digital Multiplexer |
| MM74HCT151J |  137Kb/4P | 8-Channel Digital Multiplexer |
| MM74HCT151N |  137Kb/4P | 8-Channel Digital Multiplexer |
 National Semiconductor ... | MM74HCT151J |  137Kb/ 4P | 8-Channel Digital Multiplexer |
| MM74HCT151N |  137Kb/ 4P | 8-Channel Digital Multiplexer |
| MM74HCT155 |  182Kb/ 3P | Dual 2-to-4 Line Decoder/Demultiplexers |
| MM74HCT157 |  141Kb/ 6P | 2-Input Multiplexer , Quad 2-Input Multiplexer (Inverted Output) |
| MM74HCT158 |  141Kb/ 6P | 2-Input Multiplexer , Quad 2-Input Multiplexer (Inverted Output) |
| 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 |
| MM74HCT112 |  181Kb/ 3P | 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 |