| 制造商 | 部件名 | 数据表 | 功能描述 |
National Semiconductor ... | DM74LS451 | 
115Kb/3P | DM54LS451/DM74LS451 DUAL 8:1 Multiplexer |
National Semiconductor ... | DM74LS450 |
128Kb/ 6P | 16:1 Multiplexer |
| DM74LS450J |
128Kb/ 6P | 16:1 Multiplexer |
| DM74LS450N |
128Kb/ 6P | 16:1 Multiplexer |
| DM74LS450V |
128Kb/ 6P | 16:1 Multiplexer |
| DM74LS453 |
61Kb/ 3P | QUAD 4:1 MULTIPLEXER |
| DM74LS40 |
93Kb/ 4P | Dual 4-Input NAND Buffer |
| 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 |
| 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 |
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