
74138 3-to-8 Line Decoder/Demultiplexer DIP-16
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
Makers ElectronicsCheapest | 74138 IC High Speed 1 Line of 8 Line Decoder/ Demultiplexer DIP-16 | 12 EGP | View in store |
Microohm | 74138 IC high speed 1-of-8 Decoder/. Demultiplexer. | 14 EGP18 | View in store |
Ekostra | 74138 High-Speed 1-of-8 Decoder/Demultiplexer IC | 20 EGP | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 12 EGP
About this product
The 74138 is a high-speed TTL 1-of-8 decoder/demultiplexer in a DIP-16 package, described in the listing as equivalent to the SN74LS138. It takes three address inputs and three enable inputs, and drives eight active-low outputs. It is suited to memory address decoding and chip-select generation.
Specifications
- Type
- 3-to-8 line decoder/demultiplexer
- Outputs
- 8, active low
- Enable inputs
- 3 (two active low, one active high)
- Logic family
- TTL (Schottky, LS per listing)
- Package
- DIP-16
Frequently asked questions
What is the price of 74138 3-to-8 Line Decoder/Demultiplexer DIP-16 in Egypt?
74138 3-to-8 Line Decoder/Demultiplexer DIP-16 currently costs between 12 and 20 EGP across 3 offers in Egypt.
Where can I buy 74138 3-to-8 Line Decoder/Demultiplexer DIP-16 in Egypt?
74138 3-to-8 Line Decoder/Demultiplexer DIP-16 is available from Makers Electronics, Microohm, and Ekostra. Compare the offers above to find the best price.
How do I enable the decoder?
Set G1 high and both G2A and G2B low. Only then does the decoder respond to the address inputs A, B and C, and the selected output goes low.
How can I expand it to 16 outputs?
Use two 74138 units. Connect the fourth address bit to the enable inputs so that one unit is active when the bit is low and the other when it is high, while both share the A, B and C address lines.








