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MC74ACT138MEL is listed in the Signal Switches, Multiplexers, Decoders range at ChipApex. The manufacturer field lists onsemi. Its product description is DECODER/DEMUX SINGLE 3-TO-8. Review the specifications below when checking this part for your BOM.
The MC74ACT138MEL is a single 3-to-8 line decoder/demultiplexer from the 74ACT logic series, manufactured by onsemi. It operates with a supply voltage range of 4.5V to 5.5V and features surface-mount installation in an SOIC-16 package. The device provides active LOW mutually exclusive outputs driven by three binary address inputs. It includes multiple input enable pins for expansion capabilities and supports operation across a temperature range of -40°C to +85°C.
Verify the specific suffix 'MEL' against official datasheets to confirm package dimensions and tape/reel specifications, as suffixes often denote unique packaging or material variations. Ensure compatibility with existing PCB footprints and reflow profiles before integration.
Select this component when a single 3-to-8 decoder with active LOW outputs is required within the 74ACT family. It is suitable for designs needing multiple enable inputs for complex addressing schemes. Verify that the SOIC-16 package fits the board layout constraints.
This part belongs to the 74ACT series of high-speed CMOS logic devices. It functions as a standard 3-to-8 decoder/demultiplexer, offering performance characteristics typical of ACT technology, including faster switching speeds compared to older LS families while maintaining compatible pinouts.
Direct substitutes include MC74ACT138DR2G and CD74ACT138M96. Verify pinout compatibility and electrical specifications before substitution.
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