CD74HC154ENE4In StockTexas Instruments
CD74HC154ENE4 is a high-speed CMOS 4-to-16 line decoder/demultiplexer from Texas Instruments. It features two enable inputs, 50pF load capacitance, and 4mA output drive current in a 24-pin DIP package. Ideal for address decoding, data routing, and memory expansion in digital logic systems.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 24
- Lifecycle
- OBSOLETE
- Datasheet
- CD74HC154ENE4 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
- High-speed CMOS logic with 4-to-16 line decoder/demultiplexer functionality
- Dual enable inputs for cascading and system expansion
- 50pF load capacitance support with 4mA output drive current
- 24-pin DIP package with RoHS-compliant e4 JEDEC qualification
- HC/UH family ensuring wide voltage range and noise immunity
Applications
The CD74HC154ENE4 is widely used in address decoding for microprocessor and memory systems, enabling efficient selection of up to 16 peripheral devices or memory banks. It serves as a reliable data demultiplexer in digital logic designs, routing signals in communication equipment, industrial controllers, and embedded systems. Its dual enable inputs also make it suitable for cascading multiple decoders to expand decoding capacity in complex digital architectures.
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 |
| Packing Method | TUBE |
| 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 CD74HC154ENE4:
Frequently Asked Questions
What is the CD74HC154ENE4 and what does it do?
The CD74HC154ENE4 is a high-speed CMOS 4-to-16 line decoder/demultiplexer from Texas Instruments. It takes a 4-bit binary input and activates one of 16 output lines, making it ideal for address decoding, data routing, and memory bank selection in digital systems.
What are the key electrical specifications of the CD74HC154ENE4?
The CD74HC154ENE4 supports a load capacitance of 50pF, maximum output sink current (I_OL) of 4mA, and operates in the HC/UH CMOS logic family. It features two active-low enable inputs and is housed in a 24-pin DIP (R-PDIP-T24) package with RoHS-compliant e4 JEDEC coding.
What applications is the CD74HC154ENE4 suitable for?
This decoder/demultiplexer is commonly used in microprocessor address decoding, memory expansion, peripheral device selection, and data bus routing. Its two enable inputs allow cascading multiple devices for larger decoding schemes in industrial controllers, embedded systems, and digital communication equipment.
What is the package type and how can the CD74HC154ENE4 be identified?
The CD74HC154ENE4 comes in a 24-pin Dual-In-Line Package (DIP), identified by the JEDEC code R-PDIP-T24. The 'E4' suffix indicates RoHS compliance and Pb-free construction, making it suitable for modern environmentally-conscious manufacturing processes.
Are there alternative parts or compatible replacements for the CD74HC154ENE4?
Compatible alternatives include the SN74HC154N (also from Texas Instruments in DIP-24), as well as equivalents from other manufacturers such as the 74HC154 series from NXP, ON Semiconductor, or Nexperia. Always verify pin compatibility, voltage range, and timing specifications before substituting in a design.
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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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