74HC138 - 3-to-8 line Decoder/Demultiplexer IC
74HC138 - 3-to-8 line Decoder/Demultiplexer IC
74HC138 - 3-to-8 Line Decoder/Demultiplexer IC
Quality electronics from The Tech Depot, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, expert support.
Product Overview
The 74HC138 is a high-speed CMOS 3-to-8 line decoder/demultiplexer IC, ideal for digital logic applications. It converts 3 binary input lines into 8 active-low outputs, making it essential for address decoding, data routing, and multiplexing applications in microcontroller and embedded systems projects.
Key Specifications
| Parameter | Details |
| Type | Digital Logic IC - Decoder/Demultiplexer |
| Input Lines | 3 (A, B, C) |
| Output Lines | 8 (Y0-Y7) |
| Logic Family | CMOS (74HC Series) |
| Supply Voltage | 2-6V (Typical: 5V) |
| Output Type | Active Low |
| Enable Pins | 2 (G1, G2A/G2B) |
| Package | DIP-16 / SMD Available |
| Operating Temperature | 0 degreesC to 70 degreesC |
| Origin | Original/Authentic |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Features
Fast Decoding - Rapid address decoding for microprocessors
Low Power Consumption - CMOS technology for energy efficiency
Wide Supply Range - Works from 2V to 6V
Multiple Enable Options - Flexible control with 3 enable inputs
TTL Compatible - Works seamlessly with TTL logic circuits
Reliable Performance - Tested and verified from authorized sources
Why Choose This Product?
- 100% Authentic - Sourced from trusted, authorized distributors with verification
- Fast Shipping - 1-5 day shipping, 7-8 day delivery from Bengaluru warehouse
- Expert Support - Full technical assistance via email & WhatsApp
- Competitive Pricing - Best rates with bulk discounts available
- Quality Assured - Tested components with manufacturer warranty
Pin Configuration
```Pin 1-3: Address Inputs (A, B, C)
Pin 4-5: Enable Inputs (G2A, G2B)
Pin 6: Enable Input (G1) Pin 7: GND (Ground) Pin 8-15: Outputs (Y0-Y7) Pin 16: VCC (+5V) ```Applications & Project Ideas
DIY Electronics & Hobbyist Projects
- LED multiplexing and control circuits
- Digital display drivers
- Microcontroller expansion projects
- Logic circuit experimentation
Professional & Industrial Applications
- Address decoding in microprocessor systems
- Data routing and switching circuits
- Industrial automation control
- Memory selection circuits
Educational & Learning
- Digital logic courses and labs
- Embedded systems training
- Electronics skill development
- FPGA and microcontroller interfacing
Typical Circuit Applications
- Address Decoder - Select one of 8 memory locations
- Data Demultiplexer - Route single input to 8 outputs
- LED Controller - Control up to 8 LEDs independently
- Relay Driver - Activate different relays based on input
- Device Selector - Choose between multiple peripherals
What's Included
In the Box:
- 1x 74HC138 IC (DIP-16 or SMD variant)
- Product datasheet & pinout diagram
- Technical documentation
- Quick start guide
- Support contact information
Technical Specifications (Detailed)
| Specification | Value |
| Propagation Delay | ~20ns (typical) |
| Output Current | +/-20mA (per pin) |
| Power Supply | 2V to 6V DC |
| Static Current | <1uA (typical) |
| Operating Frequency | Up to 40MHz |
| Noise Immunity | CMOS level |
Frequently Asked Questions
Is this 74HC138 100% authentic?
Yes, absolutely! We source all components from authorized distributors and conduct authentication verification. Each batch is tested for quality assurance.
What warranty does it come with?
7-day warranty on manufacturing defects covering all manufacturing defects. If the IC fails within this period, we offer free replacement or full refund.
How fast is the shipping?
Standard shipping is 7-8 days to most locations in India from our Bengaluru warehouse. Express delivery options available for urgent orders.
Do you provide technical support?
Yes! Our expert team provides 24/7 support via email and WhatsApp. We help with circuit design, troubleshooting, and application guidance.
What's your return and replacement policy?
7-day return window on defective items with full refund or replacement. applicable on manufacturing defects only if the product is faulty.
Are bulk discounts available?
Yes! We offer wholesale pricing on orders of 10+ units. Contact our sales team for custom quotes and volume discounts.
Can I use this with Arduino or Raspberry Pi?
Absolutely! The
Buy 74HC138 - 3-to-8 line Decoder/Demultiplexer IC Online in India
Purchase the 74HC138 - 3-to-8 line Decoder/Demultiplexer IC online at The Tech Depot - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on 74HC138 - 3-to-8 line Decoder/Demultiplexer IC with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy 74HC138 - 3-to-8 line Decoder/Demultiplexer IC at the best price in India? The Tech Depot offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.