74155 Dual 2-to-4 Line Decoder/Demultiplexer
20,00 EGP
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In stock
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Description
74155 – Dual 2-to-4 Line Decoder / Demultiplexer (DIP-16)
The 74155 is a dual 2-to-4 line decoder/demultiplexer IC designed for use in high-speed digital circuits. Each section of the IC can decode 2 input lines into 4 mutually exclusive outputs, making it ideal for memory address decoding, data routing, and logic control applications.
With its TTL-compatible inputs, active-low outputs, and enable pins for each section, the 74155 offers excellent flexibility for system designers working with microcontrollers, CPUs, and other digital logic systems.
Key Features
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Dual independent 2-to-4 line decoders/demultiplexers
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TTL-compatible inputs and outputs
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Active LOW outputs
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Enable inputs for each decoder section
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High-speed performance suitable for complex digital systems
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DIP-16 package – perfect for breadboards and PCBs
Specifications
| Parameter | Value |
|---|---|
| IC Number | 74155 |
| Function | Dual 2-to-4 Decoder / Demux |
| Supply Voltage (Vcc) | 4.75V – 5.25V (Typical 5V) |
| Input Compatibility | TTL Logic |
| Output Type | Active Low |
| Number of Channels | 2 |
| Output Lines per Decoder | 4 |
| Package | DIP-16 |
| Operating Temp | 0°C to +70°C |
Package Includes
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1 × IC 74155 – Dual 2-to-4 Line Decoder/Demultiplexer (DIP-16)
⚙️ Use Case: Great for address decoding in memory circuits, I/O selection, and digital logic expansion.
Specification
General
| Weight Weight | 0,0015 g |
|---|---|
Dimensions
|
2,43 × 0,76 × 0,33 mm |
| 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 |
