| 制造商 | 部件名 | 数据表 | 功能描述 |
 National Semiconductor ... | DM74LS40 |  93Kb/4P | Dual 4-Input NAND Buffer |
 National Semiconductor ... | DM74LS42 |  128Kb/ 6P | Decimal Decoders |
 National Semiconductor ... | DM74LS42M |  128Kb/ 6P | Decimal Decoders |
| DM74LS42N |  128Kb/ 6P | Decimal Decoders |
| DM74LS447 |  67Kb/ 3P | BCD to 7-Segment Decoder/Driver |
| DM74LS447 |  126Kb/ 6P | BCD to 7-Segment Decoder/Driver with Open-Collector Outputs |
| DM74LS447M |  126Kb/ 6P | BCD to 7-Segment Decoder/Driver with Open-Collector Outputs |
| DM74LS447N |  126Kb/ 6P | BCD to 7-Segment Decoder/Driver with Open-Collector Outputs |
| DM74LS450 |  128Kb/ 6P | 16:1 Multiplexer |
| DM74LS450J |  128Kb/ 6P | 16:1 Multiplexer |
| DM74LS450N |  128Kb/ 6P | 16:1 Multiplexer |
| DM74LS450V |  128Kb/ 6P | 16:1 Multiplexer |
| DM74LS451 |  115Kb/ 3P | DM54LS451/DM74LS451 DUAL 8:1 Multiplexer |
| DM74LS453 |  61Kb/ 3P | QUAD 4:1 MULTIPLEXER |
| DM74LS460 |  60Kb/ 3P | 10-Bit Comparator |
| DM74LS460J |  60Kb/ 3P | 10-Bit Comparator |
| DM74LS460N |  60Kb/ 3P | 10-Bit Comparator |
| DM74LS461 |  120Kb/ 4P | Octal Counter |
| DM74LS461J |  120Kb/ 4P | Octal Counter |
| DM74LS461N |  120Kb/ 4P | Octal Counter |