Overview
The SN74HC14NE4, produced by Texas Instruments, is a hex inverter integrated circuit with Schmitt-trigger inputs. This device contains six independent inverters, each performing the Boolean function Y = A in positive logic. It is designed to provide stable output signals even with noisy or slowly changing input signals, thanks to the Schmitt-trigger inputs.
The SN74HC14NE4 is part of the 74HC series, known for its high-speed CMOS logic and low power consumption. It operates over a wide voltage range and temperature range, making it versatile for various applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Voltage Range | 2 | 5 | 6 | V |
| Operating Temperature Range | -40 | 85 | °C | |
| Propagation Delay (A to Y) | 11 | 26 | ns | |
| Transition Time (Y) | 6 | 19 | ns | |
| Output Drive Current | ±4 | mA | ||
| Input Current | 1 | μA | ||
| Power Consumption (ICC) | 20 | μA | ||
| Package Types | PDIP, SOIC, SSOP, TSSOP, etc. |
Key Features
- Buffered Inputs: Ensures stable input signals.
- Wide Operating Voltage Range: 2 V to 6 V, making it compatible with various logic levels.
- Wide Operating Temperature Range: -40°C to +85°C, suitable for diverse environmental conditions.
- Low Power Consumption: Maximum ICC of 20 μA, reducing power usage.
- High Fanout Capability: Can drive up to 10 LSTTL loads.
- Fast Switching Times: Typical propagation delay of 11 ns and transition time of 6 ns.
- Balanced CMOS Push-Pull Outputs: Capable of sourcing or sinking 4 mA at 5 V VCC.
Applications
- Synchronize Inverted Clock Inputs: Useful in timing and clock signal management.
- Debounce Switches: Reduces noise and ensures stable signals from mechanical switches.
- Invert Digital Signals: Essential in various digital logic circuits.
- Microwave Ovens, Printers, UPS, AC Inverter Drives, AC Servo Drives, and Other Motor Drives: Used in a variety of industrial and consumer electronics.
Q & A
- What is the primary function of the SN74HC14NE4?
The SN74HC14NE4 is a hex inverter integrated circuit with Schmitt-trigger inputs, performing the Boolean function Y = A in positive logic.
- What is the operating voltage range of the SN74HC14NE4?
The operating voltage range is 2 V to 6 V.
- What is the operating temperature range of the SN74HC14NE4?
The operating temperature range is -40°C to +85°C.
- How many LSTTL loads can the SN74HC14NE4 drive?
It can drive up to 10 LSTTL loads.
- What is the typical propagation delay of the SN74HC14NE4?
The typical propagation delay is 11 ns.
- What is the maximum output drive current of the SN74HC14NE4?
The maximum output drive current is ±4 mA at 5 V VCC.
- What are some common applications of the SN74HC14NE4?
Common applications include synchronizing inverted clock inputs, debouncing switches, inverting digital signals, and use in microwave ovens, printers, UPS, AC inverter drives, and other motor drives.
- What types of packages are available for the SN74HC14NE4?
Available packages include PDIP, SOIC, SSOP, TSSOP, and others.
- How does the Schmitt-trigger input benefit the SN74HC14NE4?
The Schmitt-trigger input provides hysteresis, which helps in stabilizing the output signals even with noisy or slowly changing input signals.
- What is the power consumption of the SN74HC14NE4?
The maximum power consumption (ICC) is 20 μA.
