| Brand | National Semiconductor |
|---|---|
| MPN | DM74LS138N |
| UPC | 305393763250 |
Check the listing for details. DM74LS138N 5v, 10mA Decoder/Demultiplexer. Condition: New. Listed at 9.99 USD. The DM74LS138 decodes one-of-eight lines, based upon the conditions at the three binary select inputs and the three enable inputs. Two active-low and one active-high enable inputs reduce the need for external gates or inverters when expanding.