Description
The IC 7427 is a TTL logic IC that contains three independent 3-input NOR gates in a single 14-pin DIP package. Each gate performs the standard NOR logic function—outputting LOW when any of the inputs is HIGH—making it ideal for digital logic control and signal processing circuits.
This IC is widely used in combinational logic designs, timing control circuits, and educational experiments where multi-input NOR functionality is required.
Key Features
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Three independent 3-input NOR gates
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TTL-compatible logic levels
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Fast switching speeds and low propagation delay
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Standard DIP-14 package for easy prototyping
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High noise immunity
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Ideal for digital logic control, signal processing, and learning environments
Specifications
| Parameter | Value |
|---|---|
| IC Model | 7427 |
| Logic Function | Triple 3-input NOR gates |
| Number of Gates | 3 |
| Inputs per Gate | 3 |
| Logic Family | 74 Series TTL |
| Supply Voltage | 4.75V to 5.25V (Typically 5V) |
| Input Logic HIGH | Min. 2V |
| Input Logic LOW | Max. 0.8V |
| Output Drive Current | ±8mA typical |
| Package Type | DIP-14 |
| Operating Temperature | 0°C to +70°C |
| Compatibility | TTL circuits, microcontrollers, logic gates, breadboards |
Package Includes
1 × 7427 Triple 3-Input NOR Gate IC (DIP-14 Package)
Specification
General
| Weight Weight | 0,001 g |
|---|---|
Dimensions
|
2 × 0,7 × 0,3 mm |
| Type |
Logic IC |
| Model |
7427 |
| Logic Family |
TTL (Transistor-Transistor Logic) |
| Number of Gates |
3 |
| Inputs per Gate |
3 |
| Output Type |
Standard TTL |
| Operating Voltage |
5 V DC |
| Input Current |
1.6 mA (typical) |
| Output Current |
±8 mA (typical) |
| Propagation Delay |
~15 ns (typical) |
| Package Type |
DIP-14 / Through-Hole |
| Operating Temperature |
0°C to 70°C |
| Applications |
Digital Logic Circuits, Logic Gate Experiments, Arduino/FPGA Projects, Educational Electronics |
| Package Contents |
1× IC 7427 – Triple 3-Input NOR Gate |
