74LS138 1-of-8 Decoder/Demultiplexer IC (74138)
Designed for high-performance memory-decoding applications with minimal delay times.
- Supply Voltage: 4.75 - 5.25V
- LOW Level Input Voltage: 0.8V
- HIGH Level Output Current: -0.4mA
- LOW Level Output Current: 8mA
- Free Air Operating Temperature: 70°C
- Package Includes: 1 X 74LS138 1-of-8 Decoder/Demultiplexer IC (74138) DIP-16 Package
Top Features:
- Decodes one-of-eight lines
- Three binary select inputs
- Two active-low and one active-high enable inputs
- No external inverters needed for 24-line decoder
These Schottky-clamped circuits are ideal for high-performance memory-decoding applications where short propagation delay times are crucial. The 74LS138 is capable of decoding one-of-eight lines based on the conditions at the select and enable inputs. With the ability to implement 24-line decoders without external inverters, this IC offers flexibility and efficiency in memory systems.
The 74LS139, included in this package, features two separate two-line-to-four line decoders. Its active-low enable input can also serve as a data line in demultiplexing applications, adding versatility to its functionality.
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