CD4073 IC – Triple 3-Input AND Gate (DIP-14)
🔘 CD4073 IC – Triple 3-Input AND Gate (DIP-14)
The CD4073 is a CMOS logic IC that contains three independent 3-input AND gates. It's commonly used in digital electronics where multi-input logic control is needed, such as counters, timers, logic circuits, and decision-making circuits in embedded systems.
⚙️ Technical Specifications
| Parameter | Value |
|---|---|
| Logic Family | CMOS (4000 series) |
| Function | 3-input AND gate × 3 |
| Package | DIP-14 |
| Supply Voltage (VDD) | 3V to 15V (typically 5V or 12V) |
| Input Type | CMOS/TTL compatible |
| Output Type | Standard CMOS output |
| Temperature Range | −55°C to +125°C |
📌 Pin Configuration (DIP-14)
| Pin | Function | Pin | Function |
|---|---|---|---|
| 1 | A1 (Input) | 14 | VDD (Power) |
| 2 | B1 (Input) | 13 | A3 (Input) |
| 3 | C1 (Input) | 12 | B3 (Input) |
| 4 | Y1 (Output) | 11 | C3 (Input) |
| 5 | A2 (Input) | 10 | Y3 (Output) |
| 6 | B2 (Input) | 9 | Y2 (Output) |
| 7 | GND | 8 | C2 (Input) |
Each gate outputs HIGH only if all three inputs are HIGH.
🛠️ Applications
Digital logic circuits
Microcontroller input validation
Control systems requiring multi-condition logic
Alarm or sensor systems requiring 3-condition validation
Basic logic training and educational kits
🧠 How It Works
Each of the 3 AND gates follows the rule:
Y = A • B • C
(Only outputs HIGH if A, B, and C are HIGH)