
IC 74138 3-to-8 Line Decoder/Demultiplexer, Inverting Outputs
Prices updated: 12 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
RAM Electronics | IC 74138 - 3 to 8 Line Decoder/Demultiplexer Inverting - Original | 18 EGP | View in store |
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Lowest price recorded: 18 EGP
About this product
The 74138 is a 3-to-8 line decoder and demultiplexer. Three binary select inputs activate one of eight inverting (active-low) outputs, and three enable inputs control operation. It is used for memory chip select, address decoding and switching one of eight loads or indicators.
Specifications
- Select inputs
- 3 (binary) / 3 (ثنائية)
- Outputs
- 8, active low / 8، فعّالة عند الانخفاض
- Enable inputs
- 3 (two active low, one active high) / 3 (اثنان فعّالان عند الانخفاض وواحد فعّال عند الارتفاع)
- Logic family
- 74 series (TTL) / عائلة 74 (TTL)
- Supply voltage
- 5 V / 5 فولت
- Pins
- 16
Frequently asked questions
What is the price of IC 74138 3-to-8 Line Decoder/Demultiplexer, Inverting Outputs in Egypt?
IC 74138 3-to-8 Line Decoder/Demultiplexer, Inverting Outputs currently costs 18 EGP in Egypt.
Where can I buy IC 74138 3-to-8 Line Decoder/Demultiplexer, Inverting Outputs in Egypt?
IC 74138 3-to-8 Line Decoder/Demultiplexer, Inverting Outputs is available from RAM Electronics. Compare the offers above to find the best price.
How do I enable the decoder?
All enable conditions must be met: G1 high, and G2A and G2B low. Then the 3-bit select value chooses one output to go low, while the others stay high.
Can it work as a 1-to-8 demultiplexer?
Yes. Use one enable input as the data line. The selected output then reproduces that data in inverted form, while the other outputs stay high.






