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74139 Dual Decoder-Demux IC
Quality electronics from The Engineer Store, Bengaluru. Fast shipping, 1-year warranty, expert support.
Product Overview
The 74139 is a dual 2-to-4 line decoder/demultiplexer IC widely used in digital logic circuits. Each decoder features independent enable inputs and active-low outputs, making it ideal for address decoding, data routing, and multiplexing applications.
Key Specifications
| Parameter | Details |
| Type | Dual 2-to-4 Decoder-Demultiplexer |
| Logic Family | TTL/CMOS Compatible |
| Package | DIP-16 (Dual In-line) |
| Supply Voltage | 5V |
| Output Type | Active Low (Open Collector) |
| Propagation Delay | ~20ns typical |
| Origin | Original/Authentic |
| Warranty | 1-Year Manufacturer |
| Support | Email & WhatsApp 24/7 |
Features & Benefits
✓ Dual Independent Decoders – Two complete 2-to-4 decoders in one package ✓ Enable Control – Active-low enable pins for cascading and selection ✓ TTL/CMOS Compatible – Works seamlessly with standard logic families ✓ Low Power Consumption – Ideal for battery-powered applications ✓ Compact DIP-16 Package – Easy integration on breadboards and PCBsApplications
- Address Decoding – Memory and I/O address selection
- Data Multiplexing – Routing data signals to different destinations
- LED/Display Control – Selecting individual LEDs or display segments
- Relay/Motor Control – Switching multiple outputs with minimal inputs
- Digital Logic Systems – General-purpose decoder functions
- Microcontroller Interfacing – Expanding I/O capabilities
Why Choose This Product?
✅ 100% authentic from trusted authorized distributors ✅ 2-3 day shipping from Bengaluru warehouse ✅ Expert technical support included (24/7) ✅ 1-year manufacturer warranty ✅ Quality guaranteed with authentication verification
What's Included
- 74139 IC (single unit or as ordered)
- Datasheet and technical documentation
- Quick start guide
- Full technical support access
Pin Configuration
``` Pin 1-4: Decoder A Outputs (Y0-Y3) Pin 5: Decoder A Enable (G) Pin 6: Decoder A Select B Pin 7: Decoder A Select A Pin 8: GND Pin 9: Decoder B Select A Pin 10: Decoder B Select B Pin 11: Decoder B Enable (G) Pin 12-15: Decoder B Outputs (Y0-Y3) Pin 16: VCC (+5V) ```
Typical Applications
| Application | Description |
| Address Decoder | Decode 2-bit address to select 1 of 4 memory locations |
| Data Router | Route input data to one of 4 output lines |
| LED Matrix Control | Select rows/columns in LED display matrices |
| Chip Select Logic | Generate chip select signals for multiple devices |
| Demultiplexer | Convert single input to 4 independent outputs |
Frequently Asked Questions
Is this 100% authentic?
Yes, sourced from authorized distributors with full authentication verification. Each IC is tested for quality assurance.
What warranty coverage is provided?
1-year manufacturer warranty covering all manufacturing defects. Covers DOA (Dead on Arrival) and component failures.
How fast is shipping?
2-3 days to most locations in India from our Bengaluru warehouse. Express shipping available for urgent orders.
Do you provide technical support?
Yes, full technical support via email and WhatsApp 24/7. Get help with pinouts, applications, and troubleshooting.
What's your return policy?
7-day returns on defective items with full refund or replacement. No questions asked on DOA units.
Are bulk discounts available?
Yes, wholesale pricing for 10+ units. Contact our sales team for custom quotes on large orders.
Is this compatible with my microcontroller?
Yes, the 74139 is TTL/CMOS compatible and works with Arduino, Raspberry Pi, PIC, and other standard microcontrollers.
Can I cascade multiple 74139 ICs?
Yes, the enable inputs allow cascading for decoding more address lines. Consult the datasheet for cascading examples.
Technical Support & Resources
- Datasheet: Complete pin diagrams and truth tables
- Application Notes: Ready-to-use circuit examples
- Video Tutorials: Learn how to use the 74139 in your projects
- Community Forum: Connect with other electronics enthusiasts
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Order your 74139 Dual Decoder-Demux IC today from The Engineer Store and get fast shipping with expert support!74139 Dual Decoder-Demux IC
Quality electronics from The Engineer Store, Bengaluru. Fast shipping, 1-year warranty, expert support.
Product Overview
The 74139 is a dual 2-to-4 line decoder/demultiplexer IC widely used in digital logic circuits. Each decoder features independent enable inputs and active-low outputs, making it ideal for address decoding, data routing, and multiplexing applications.
Key Specifications
| Parameter | Details |
| Type | Dual 2-to-4 Decoder-Demultiplexer |
| Logic Family | TTL/CMOS Compatible |
| Package | DIP-16 (Dual In-line) |
| Supply Voltage | 5V |
| Output Type | Active Low (Open Collector) |
| Propagation Delay | ~20ns typical |
| Origin | Original/Authentic |
| Warranty | 1-Year Manufacturer |
| Support | Email & WhatsApp 24/7 |
Features & Benefits
✓ Dual Independent Decoders – Two complete 2-to-4 decoders in one package ✓ Enable Control – Active-low enable pins for cascading and selection ✓ TTL/CMOS Compatible – Works seamlessly with standard logic families ✓ Low Power Consumption – Ideal for battery-powered applications ✓ Compact DIP-16 Package – Easy integration on breadboards and PCBsApplications
- Address Decoding – Memory and I/O address selection
- Data Multiplexing – Routing data signals to different destinations
- LED/Display Control – Selecting individual LEDs or display segments
- Relay/Motor Control – Switching multiple outputs with minimal inputs
- Digital Logic Systems – General-purpose decoder functions
- Microcontroller Interfacing – Expanding I/O capabilities
Why Choose This Product?
✅ 100% authentic from trusted authorized distributors ✅ 2-3 day shipping from Bengaluru warehouse ✅ Expert technical support included (24/7) ✅ 1-year manufacturer warranty ✅ Quality guaranteed with authentication verification
What's Included
- 74139 IC (single unit or as ordered)
- Datasheet and technical documentation
- Quick start guide
- Full technical support access
Pin Configuration
``` Pin 1-4: Decoder A Outputs (Y0-Y3) Pin 5: Decoder A Enable (G) Pin 6: Decoder A Select B Pin 7: Decoder A Select A Pin 8: GND Pin 9: Decoder B Select A Pin 10: Decoder B Select B Pin 11: Decoder B Enable (G) Pin 12-15: Decoder B Outputs (Y0-Y3) Pin 16: VCC (+5V) ```
Typical Applications
| Application | Description |
| Address Decoder | Decode 2-bit address to select 1 of 4 memory locations |
| Data Router | Route input data to one of 4 output lines |
| LED Matrix Control | Select rows/columns in LED display matrices |
| Chip Select Logic | Generate chip select signals for multiple devices |
| Demultiplexer | Convert single input to 4 independent outputs |
Frequently Asked Questions
Is this 100% authentic?
Yes, sourced from authorized distributors with full authentication verification. Each IC is tested for quality assurance.
What warranty coverage is provided?
1-year manufacturer warranty covering all manufacturing defects. Covers DOA (Dead on Arrival) and component failures.
How fast is shipping?
2-3 days to most locations in India from our Bengaluru warehouse. Express shipping available for urgent orders.
Do you provide technical support?
Yes, full technical support via email and WhatsApp 24/7. Get help with pinouts, applications, and troubleshooting.
What's your return policy?
7-day returns on defective items with full refund or replacement. No questions asked on DOA units.
Are bulk discounts available?
Yes, wholesale pricing for 10+ units. Contact our sales team for custom quotes on large orders.
Is this compatible with my microcontroller?
Yes, the 74139 is TTL/CMOS compatible and works with Arduino, Raspberry Pi, PIC, and other standard microcontrollers.
Can I cascade multiple 74139 ICs?
Yes, the enable inputs allow cascading for decoding more address lines. Consult the datasheet for cascading examples.
Technical Support & Resources
- Datasheet: Complete pin diagrams and truth tables
- Application Notes: Ready-to-use circuit examples
- Video Tutorials: Learn how to use the 74139 in your projects
- Community Forum: Connect with other electronics enthusiasts
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Order your 74139 Dual Decoder-Demux IC today from The Engineer Store and get fast shipping with expert support!