7420 Dual 4-input NAND Gate
- Contains two independent 4-input NAND gates
- Operates at standard 5V TTL logic levels
- Performs NAND logic on four inputs per gate
- Fast switching with low propagation delay
- Available in 14-pin DIP or SMD packages
14,00 EGP
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Description
7420 Dual 4-Input NAND Gate – Product Overview
The 7420 IC contains two independent 4-input NAND gates. Each gate outputs a LOW signal only when all four inputs are HIGH, performing the logical NAND operation. It’s widely used in digital electronics for building complex logic circuits.
⚙️ Key Features
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Contains 2 independent 4-input NAND gates
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TTL logic compatible
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Standard 14-pin DIP package
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Typical propagation delay ~10 ns
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Low power consumption
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Operates at 5V supply voltage
📋 Specifications
| Parameter | Description |
|---|---|
| IC Number | 7420 |
| Number of Gates | 2 |
| Inputs per Gate | 4 |
| Output Type | Standard TTL |
| Operating Voltage | 4.75V to 5.25V (Typical 5V) |
| Propagation Delay | Approx. 10 ns |
| Package Type | DIP-14 |
🔌 Pin Configuration (14-pin DIP)
| Pin | Name | Function |
|---|---|---|
| 1 | 1A | Input 1 Gate 1 |
| 2 | 1B | Input 2 Gate 1 |
| 3 | 1C | Input 3 Gate 1 |
| 4 | 1D | Input 4 Gate 1 |
| 5 | 1Y | Output Gate 1 |
| 6 | NC | Not Connected |
| 7 | GND | Ground |
| 8 | 2Y | Output Gate 2 |
| 9 | 2A | Input 1 Gate 2 |
| 10 | 2B | Input 2 Gate 2 |
| 11 | 2C | Input 3 Gate 2 |
| 12 | 2D | Input 4 Gate 2 |
| 13 | NC | Not Connected |
| 14 | VCC | Power Supply (+5V) |
Truth Table (Each Gate)
| Input A | Input B | Input C | Input D | Output Y |
|---|---|---|---|---|
| 0 | X | X | X | 1 |
| X | 0 | X | X | 1 |
| X | X | 0 | X | 1 |
| X | X | X | 0 | 1 |
| 1 | 1 | 1 | 1 | 0 |
(X = Don’t care)
Applications
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Logic circuit design requiring NAND operations
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Control and timing circuits
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Data processing and decision logic
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Building blocks for combinational and sequential logic
Package Includes
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1 × 7420 Dual 4-Input NAND Gate IC (DIP-14)
Specification
General
| Weight Weight | 0,0000 g |
|---|
