| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | MM54HCT573WM |  127Kb/6P | TRI-STATE Octal D-Type Latch / TRI-STATE Octal D-Type Flip-Flop |
 National Semiconductor ... | MM54HCT573N |  127Kb/ 6P | TRI-STATE Octal D-Type Latch / TRI-STATE Octal D-Type Flip-Flop |
| MM54HCT573 |  127Kb/ 6P | TRI-STATE Octal D-Type Latch / TRI-STATE Octal D-Type Flip-Flop |
| MM54HCT574 |  127Kb/ 6P | TRI-STATE Octal D-Type Latch / TRI-STATE Octal D-Type Flip-Flop |
| MM54HCT574N |  127Kb/ 6P | TRI-STATE Octal D-Type Latch / TRI-STATE Octal D-Type Flip-Flop |
| MM54HCT574WM |  127Kb/ 6P | TRI-STATE Octal D-Type Latch / TRI-STATE Octal D-Type Flip-Flop |
| MM54HCT521J |  99Kb/ 4P | 8-Channel TRI-STATE-R Multiplexer |
| MM54HCT03 |  113Kb/ 4P | Quad 2-Input NAND Gate (Open Drain) |
| MM54HCT03J |  113Kb/ 4P | Quad 2-Input NAND Gate (Open Drain) |
| MM54HCT109 |  123Kb/ 4P | Dual J-K Flip-Flops with Preset and Clear |
| MM54HCT109J |  123Kb/ 4P | Dual J-K Flip-Flops with Preset and Clear |
| MM54HCT112 |  181Kb/ 3P | Dual J-K Flip-Flops with Preset and Clear |
| MM54HCT139 |  115Kb/ 4P | Dual 2-To-4 Line Decoder |
| MM54HCT139J |  115Kb/ 4P | Dual 2-To-4 Line Decoder |
| MM54HCT147 |  105Kb/ 4P | 10-to-4 Line Priority Encoder |
| MM54HCT147J |  105Kb/ 4P | 10-to-4 Line Priority Encoder |
| MM54HCT148 |  215Kb/ 5P | 8-3 Line Priority Encoder |
| MM54HCT151 |  137Kb/ 4P | 8-Channel Digital Multiplexer |
| MM54HCT151J |  137Kb/ 4P | 8-Channel Digital Multiplexer |
| MM54HCT155 |  182Kb/ 3P | Dual 2-to-4 Line Decoder/Demultiplexers |
| MM54HCT157 |  141Kb/ 6P | 2-Input Multiplexer , Quad 2-Input Multiplexer (Inverted Output) |