CD74AC139E Texas Instruments In Stock
CD74AC139E is a dual 2-to-4 line decoder/demultiplexer IC by Texas Instruments in a 16-pin DIP package. Key specs: AC logic family, 5V supply, active-low outputs with enable control. From $0.50, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $0.3505(MOQ 250)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CD74AC139E?
- Dual 2-to-4 decoder/demultiplexer with independent enable inputs for each section, providing flexible address decoding in a 16-pin DIP
- Advanced CMOS (AC) logic family offers high-speed operation with low power consumption and broad voltage compatibility
- Active-low outputs with individual enable pins allow easy cascading for larger demultiplexing applications
What is CD74AC139E used for?
The CD74AC139E is widely used in digital systems for memory address decoding, I/O port selection, and data routing in microprocessor and microcontroller systems. Its dual independent decoder sections enable efficient implementation of 3-to-8 or larger decoder functions by cascading. It is also applied in communication interfaces, FPGA support logic, and industrial control circuits requiring reliable address or channel selection.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for CD74AC139E?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the function of the CD74AC139E?
The CD74AC139E is a dual 2-to-4 line decoder/demultiplexer. Each section decodes two binary inputs into one of four mutually exclusive active-low outputs, controlled by an enable input, making it ideal for address decoding and data routing in digital systems.
What package does the CD74AC139E come in?
The CD74AC139E is available in a 16-pin dual in-line package (DIP), which is suitable for through-hole PCB mounting and prototyping. The DIP format allows easy insertion into breadboards and standard IC sockets during development.
What logic family does the CD74AC139E belong to?
The CD74AC139E belongs to the Advanced CMOS (AC) logic family, which provides high-speed switching performance with low static power consumption, operating at a 5V supply and compatible with TTL input levels for easy system integration.
What applications use the CD74AC139E?
The CD74AC139E is used in memory address decoding, I/O port expansion, data bus demultiplexing, microcontroller peripheral selection, and industrial automation control systems. Its dual-section design allows cascading for expanded decoder configurations in complex digital systems.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $0.6520 | $163.00 |
| 500+ | $0.6440 | $322.00 |
| 1000+ | $0.4692 | $469.20 |
| 10000+ | $0.4183 | $4183.00 |
| 100000+ | $0.3505 | $35050.00 |
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