CD74HC154EN Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The CD74HC154EN is a High-Speed CMOS 4-to-16 Line Decoder/Demultiplexer from Texas Instruments, featuring two enable inputs and a load capacitance of 50 pF. It decodes four binary inputs into one of sixteen active-low output lines for address decoding and data routing. Available in a 24-pin DIP package with worldwide stock and shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 24
- Lifecycle
- OBSOLETE
- Datasheet
- CD74HC154EN Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 4-to-16 line decoder/demultiplexer enabling full binary to decimal decoding for address and data routing applications
- Two enable inputs allow cascading and chip-select functionality for simplified system expansion
- High-Speed CMOS (HC) family offers excellent noise immunity with low power consumption at 50 pF load capacitance
- 24-pin DIP through-hole package for easy prototyping and breadboard-compatible designs
Applications
The CD74HC154EN is widely used in digital systems for memory address decoding, I/O port expansion, and data routing in microprocessor-based designs. It enables efficient one-of-sixteen selection in bus-structured systems such as embedded controllers, programmable logic controllers, and communication equipment. The dual enable inputs make it easy to cascade multiple decoders for larger address spaces without additional glue logic.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | 2 ENABLE INPUTS |
| Family | HC/UH |
| Input Conditioning | STANDARD |
| JESD-30 Code | R-PDIP-T24 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | 4-LINE TO 16-LINE DECODER |
| Max I(ol) | 0.004A |
| Number of Functions | 1 |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP24,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Power Supply Current-Max (ICC) | 50mA |
| Prop. Delay@Nom-Sup | 53ns |
| Propagation Delay (tpd) | 265ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 4.5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for CD74HC154EN:
Frequently Asked Questions
What is the decoding function of the CD74HC154EN?
The CD74HC154EN is a 4-to-16 line decoder that takes 4 binary address inputs and activates one of 16 active-low output lines, enabling complete binary-to-decimal decoding for address selection and demultiplexing applications.
What are the enable inputs on the CD74HC154EN and why are they useful?
The CD74HC154EN has 2 active-low enable inputs (E1 and E2) that must both be low to enable decoding. These allow for easy chip-select control and cascading of multiple decoder ICs to support larger address spaces in digital systems.
What package does the CD74HC154EN use?
The CD74HC154EN comes in a 24-pin PDIP (Plastic Dual-In-Line Package), a through-hole format that is compatible with standard breadboards and perfboards, making it easy to prototype and hand-assemble.
What are typical applications for the CD74HC154EN?
The CD74HC154EN is commonly used in memory address decoding, peripheral I/O expansion, LCD segment driving, multiplexed data routing, and any digital system requiring one-of-sixteen selection from binary-encoded inputs.
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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.
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