The IC 7430 includes one 8-input NAND gate in a standard 14-pin Dual In-line Package (DIP). It outputs a logic LOW only when all eight inputs are at logic HIGH. As part of the 7400 TTL series, it operates on a standard 5V supply and integrates easily with other TTL-compatible components.
With eight input lines, this gate lets engineers simplify logic validation across many signals using just one chip. It’s ideal for multi-condition checking, bus status monitoring, and complex decision-making logic. The IC delivers fast switching, clean logic transitions, and reliable output behavior, making it valuable in both digital control and data processing systems.
Designers use the 7430 in systems that require multiple signal verifications before enabling an output. It also fits well in address decoding, digital locking systems, and security circuits. This IC supports wide application in both professional and educational environments.
Key Features
Contains one 8-input NAND gate
Operates on standard TTL 5V logic
Provides fast propagation delay
Handles logic validation across eight signals
Supports TTL-compatible I/O
Available in DIP-14 and SOIC-14 packages
Ideal for high-input logic and condition filtering
Applications
Engineers use the 7430 to verify eight input conditions at once.
It ensures the output goes LOW only when all inputs are HIGH.
Designers apply it in address decoding circuits.
It helps filter bus or control signals in complex systems.
Developers build digital logic locks with multi-line inputs.
It checks parallel logic lines in data verification circuits.
Automation systems use it to confirm combined sensor states.
It fits into control panels that require condition validation.
Educators use it to teach advanced combinational logic.
It helps reduce logic gate count in large logic arrays.
Specifications Table
| Parameter | Value |
|---|---|
| Logic Family | TTL (Standard) |
| Number of Gates | 1 |
| Gate Type | NAND |
| Number of Inputs | 8 |
| Logic Level (High) Input | ≥ 2.0V |
| Logic Level (Low) Input | ≤ 0.8V |
| Supply Voltage (Vcc) | 4.75V to 5.25V |
| Typical Operating Voltage | 5V ‘ |
| Output Current (High) | -400 µA |
| Output Current (Low) | 16 mA |
| Propagation Delay | ~15–22 ns |
| Power Dissipation | ~10–12 mW (typical) |
| Operating Temperature Range | 0°C to 70°C |
| Package Type | DIP-14 / SOIC-14 |
| Pin Count | 14 |
