DM54LS42 is BCD/Decimal Decoders manufactured by National Semiconductor.
| Part Number | Description |
|---|---|
| DM54LS447 | BCD to 7-Segment Decoder/Driver |
| DM54LS450 | 16:1 Multiplexer |
| DM54LS451 | DM54LS451/DM74LS451 DUAL 8:1 Multiplexer |
| DM54LS460 | 10-Bit Comparator |
| DM54LS461 | Octal Counter |
These BCD-to-decimal decoders consist of eight inverters and ten four-input NAND gates The inverters are connected in pairs to make BCD input data available for decoding by the NAND gates Full decoding of input logic ensures that all outputs remain off for.
