74155 Dual 2-to-4 Line Decoder/Demultiplexer
- 🔀 74155 TTL IC: dual 2-to-4 decoder / demultiplexer
- 🧩 Two independent 1-of-4 sections for flexible decoding
- ⚡ Standard 5V TTL operation
- 🚦 Enable inputs for control and cascading
- 📉 Active-LOW outputs (common for 74xx decoders)
- 🛠️ Ideal for address decoding and I/O line expansion
- 🚀 Fast switching for reliable digital systems
- 📦 DIP package—great for breadboard and logic projects
20,00 EGP
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Description
The 74155 is a dual 2-to-4 line decoder/demultiplexer integrated circuit. It is widely used in digital systems for decoding binary information and routing signals in multiplexed environments. Ideal for logic control, memory addressing, and data distribution applications.
Specifications
- Logic Family: TTL
- Number of Inputs: 4 (2 select inputs per decoder)
- Number of Outputs: 8 (4 outputs per decoder)
- Supply Voltage: 4.75V to 5.25V
- Propagation Delay: 12 ns (typical)
- Power Consumption: Low power TTL standard
- Operating Temperature: 0°C to +70°C
Features
- Dual 2-to-4 line decoder/demultiplexer in a single IC
- Active low enable input for easy integration
- High noise immunity for stable operation
- Compatible with standard TTL logic circuits
- Compact DIP-16 package for efficient board space utilization
- Ideal for addressing memory and controlling data paths in digital systems
Specification
General
| WeightWeight | 0,0000 g |
|---|---|
 Dimensions | 2,43 × 0,76 × 0,33 cm |
| Product Name | 74155 Dual 2-to-4 Line Decoder/Demultiplexer |
| Logic Family | TTL |
| Function | Dual 2-to-4 Line Decoder / Demultiplexer |
| Number of Decoders | 2 |
| Number of Inputs per Decoder | 2 |
| Number of Outputs per Decoder | 4 |
| Supply Voltage | 4.75V – 5.25V (Typical 5V) |
| Input Voltage (VIH/VIL) | 2V min / 0.8V max |
| Output Current (IOL/IOH) | 16mA / -0.4mA |
| Propagation Delay | 20ns (typical) |
| Operating Temperature Range | 0°C – +70°C |
| Package Type | DIP-16 |
| Mounting Type | Through-Hole |
| Output Type | TTL Compatible |
| RoHS Compliant | Yes |
