
SN74HC138D 3-to-8 Line Decoder Demultiplexer SOIC-16
Prices updated: 13 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
UGE | SN74HC138D 3 to 8 line inverting decoder demultiplexer SMD SOP16 | 20 EGP | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 20 EGP
About this product
A 3-to-8 line inverting decoder and demultiplexer that activates one of eight active-low outputs based on three binary select inputs. Two active-low and one active-high enable inputs allow expansion without extra gates. It is used for chip selects, address decoding and output expansion in microcontroller projects.
Specifications
- Type
- 3-to-8 line inverting decoder/demultiplexer
- Outputs
- 8, active low
- Logic family
- HC (CMOS)
- Supply voltage
- 2 V to 6 V
- Package
- SOIC-16
Frequently asked questions
What is the price of SN74HC138D 3-to-8 Line Decoder Demultiplexer SOIC-16 in Egypt?
SN74HC138D 3-to-8 Line Decoder Demultiplexer SOIC-16 currently costs 20 EGP in Egypt.
Where can I buy SN74HC138D 3-to-8 Line Decoder Demultiplexer SOIC-16 in Egypt?
SN74HC138D 3-to-8 Line Decoder Demultiplexer SOIC-16 is available from UGE. Compare the offers above to find the best price.
How do I enable the decoder?
All three enable inputs must be in their active state: G1 high, and G2A and G2B both low. If any enable is inactive, all eight outputs stay high.
How do the select inputs choose an output?
The select inputs A, B and C form a 3-bit binary number, with C as the most significant bit. The selected output goes low while the others stay high, provided the decoder is enabled.





