7408 IC Quad 2-Input AND Gate DIP-14
🔲 7408 IC – Quad 2-Input AND Gate (DIP-14)
The 7408 is a standard TTL logic IC that contains four independent 2-input AND gates, each gate performing the logical AND operation. It comes in a 14-pin Dual Inline Package (DIP) and is commonly used in digital systems, logic circuit designs, and educational projects.
⚙️ Technical Specifications
| Parameter | Specification |
|---|---|
| Logic Family | TTL (74 series) |
| Function | Quad 2-input AND gates |
| Package Type | DIP-14 |
| Supply Voltage (Vcc) | 4.75V to 5.25V (Typically 5V) |
| Input Voltage (VIH/VIL) | HIGH ≥ 2V, LOW ≤ 0.8V |
| Output Voltage (VOH/VOL) | HIGH ≥ 2.4V, LOW ≤ 0.4V |
| Propagation Delay | ~10 ns |
| Operating Temperature | -55°C to +125°C |
📌 Pin Configuration (DIP-14)
| Pin | Function | Pin | Function |
|---|---|---|---|
| 1 | A1 (Input) | 14 | Vcc (Power) |
| 2 | B1 (Input) | 13 | B4 (Input) |
| 3 | Y1 (Output) | 12 | A4 (Input) |
| 4 | A2 (Input) | 11 | Y4 (Output) |
| 5 | B2 (Input) | 10 | B3 (Input) |
| 6 | Y2 (Output) | 9 | A3 (Input) |
| 7 | GND | 8 | Y3 (Output) |
🧠 Logic Function – AND Gate
| A | B | Y (Output = A AND B) |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 1 | 0 |
| 1 | 0 | 0 |
| 1 | 1 | 1 |
🛠️ Applications
Logic control systems
Signal gating and timing circuits
Digital counters and decoders
Microcontroller-based logic designs
Educational logic kits