CD74HCT154M96In StockTexas Instruments
The CD74HCT154M96 is a high-speed CMOS 4-to-16 line decoder/demultiplexer from Texas Instruments HCT family. It accepts four binary-coded address inputs (A0–A3) and activates one of 16 mutually exclusive outputs LOW, making it ideal for address decoding, memory chip-select generation, and data routing in TTL-compatible 5V digital systems. Two active-LOW enable inputs (E1, E2) must both be LOW for normal decode operation, providing convenient cascading and output blanking. The M96 suffix denotes a 24-pin wide-body SOIC package for reliable SMD assembly.
- Manufacturer
- Texas Instruments
- Package
- SOIC-24
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Category
- Logic ICs
- Price
- From $0.2976(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 4-to-16 line decoder/demultiplexer
- TTL-compatible inputs (HCT family)
- Dual active-LOW enable inputs for cascading
- Mutually exclusive active-LOW outputs
- Wide-body 24-pin SOIC package (M96)
- 5V supply operation
- High-speed CMOS with low quiescent current
- Operating range: -40°C to +85°C
Applications
Address decoding in microprocessor systems. Memory chip-select generation. I/O port expansion and demultiplexing. Data routing and bus switching. Industrial control logic decoding. Communication equipment line selection. Embedded system peripheral addressing.
Specifications
| Logic Family | HCT |
| Function | 4-to-16 Decoder/Demultiplexer |
| Supply Voltage (VCC) | 4.5 – 5.5V |
| Input Type | TTL-Compatible |
| Number of Inputs | 4 |
| Number of Outputs | 16 |
| Output Type | Active-LOW |
| Enable Inputs | 2 (active-LOW) |
| Propagation Delay (typ) | 17ns |
| Operating Temperature | -40 to +85°C |
| Package | SOIC-24 Wide (M96) |
| Pin Count | 24 |
| Quiescent Current (max) | 80µA |
| RoHS Compliant | Yes |
| Package | SOIC-24 |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for CD74HCT154M96:
HC-family (3.3–5V) version of the same 4-to-16 decoder in M96 SOIC-24 package
Frequently Asked Questions
What is the CD74HCT154M96?
The CD74HCT154M96 is a 4-to-16 line decoder/demultiplexer from Texas Instruments in the HCT (High-speed CMOS, TTL-compatible) logic family. It decodes a 4-bit binary address into one of 16 active-LOW output lines and is packaged in a 24-pin wide-body SOIC (M96 package).
What does the M96 suffix mean on the CD74HCT154?
The M96 suffix indicates the 24-pin wide-body SOIC (Small Outline Integrated Circuit) surface-mount package. This package style offers a wider body than the standard SOIC, providing improved thermal performance and ease of PCB assembly for the 24-lead device.
How do the enable inputs work on the CD74HCT154M96?
The CD74HCT154M96 has two active-LOW enable inputs, E1 (G1) and E2 (G2). Both must be driven LOW simultaneously for the device to decode the address inputs and drive the selected output LOW. If either enable is HIGH, all 16 outputs remain HIGH (inactive), allowing convenient cascading of multiple devices or output blanking.
What is the supply voltage and logic family compatibility?
The CD74HCT154M96 operates from a 4.5V to 5.5V supply (nominal 5V). As an HCT-family device, its input thresholds are TTL-compatible (VIL ≤ 0.8V, VIH ≥ 2.0V), making it fully interoperable with 5V TTL logic and LSTTL devices while providing the low quiescent current of CMOS technology.
What are common applications of the CD74HCT154M96?
Common applications include address decoding in microprocessor and microcontroller systems, memory bank chip-select generation, I/O port expansion, data bus demultiplexing, and industrial control logic. The 4-to-16 decoding capability makes it useful wherever a compact binary code must be expanded into individual control lines.
What is the propagation delay of the CD74HCT154M96?
At 5V supply and 25°C, the CD74HCT154M96 typically exhibits propagation delays of around 17–25 ns from address inputs to outputs, and similar timing from the enable inputs. Exact values depend on load conditions; consult the Texas Instruments datasheet for full timing specifications across temperature and voltage.
Can the CD74HCT154M96 be cascaded for wider decoding?
Yes. The dual enable inputs allow straightforward cascading. By connecting a higher-order address bit to one enable pin and the complementary signal to the enable of a second CD74HCT154, you can build a 5-to-32 or larger decoder with no additional logic required.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.0090 | $1.01 |
| 21+ | $0.6200 | $13.02 |
| 23+ | $0.6045 | $13.90 |
| 84+ | $0.3488 | $29.30 |
| 288+ | $0.2976 | $85.71 |
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