Overview
The SN74HC14DT is a hex Schmitt-trigger inverter integrated circuit (IC) produced by Texas Instruments. This device contains six independent inverters, each performing the Boolean function Y = A in positive logic. The SN74HC14DT is part of the 74HC series, known for its wide operating voltage range and low power consumption, making it versatile for various electronic systems.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2 | 5 | 6 | V |
| Input Voltage (VI) | 0 | - | VCC | V |
| Output Voltage (VO) | 0 | - | VCC | V |
| Operating Temperature Range (TA) | -40 | - | 85 | °C |
| Propagation Delay (tpd) | 11 | - | 38 | ns |
| Output Drive Current | - | - | ±4 mA | mA |
| Input Current | - | - | 1 μA | μA |
| Power Consumption (ICC) | - | - | 20 μA | μA |
Key Features
- Wide Operating Voltage Range: 2 V to 6 V, making it suitable for various logic levels.
- Schmitt-Trigger Inputs: Provides hysteresis to improve noise immunity.
- Low Power Consumption: Maximum ICC of 20 μA.
- High Output Drive Capability: Can drive up to 10 LSTTL loads.
- Fast Propagation Delay: Typical tpd of 11 ns.
- Balanced Drive Outputs: Can source or sink 4 mA at 5-V VCC.
- Low Input Current: Maximum input current of 1 μA.
Applications
- Microwave Ovens: For control and timing circuits.
- Printers: In printer control circuits.
- UPS and AC Servo Drives: For reliable and stable operation.
- Motor Drives: In various motor control applications.
- Other Industrial Control Systems: Where noise immunity and reliable logic operations are crucial.
Q & A
- What is the SN74HC14DT?
The SN74HC14DT is a hex Schmitt-trigger inverter IC produced by Texas Instruments, containing six independent inverters.
- What is the operating voltage range of the SN74HC14DT?
The operating voltage range is from 2 V to 6 V.
- What is the typical propagation delay of the SN74HC14DT?
The typical propagation delay is 11 ns.
- How much current can the outputs drive?
The outputs can drive up to 10 LSTTL loads and can source or sink 4 mA at 5-V VCC.
- What is the maximum input current?
The maximum input current is 1 μA.
- What is the maximum power consumption?
The maximum power consumption (ICC) is 20 μA.
- What are the typical applications of the SN74HC14DT?
Typical applications include microwave ovens, printers, UPS, AC servo drives, and other motor drives.
- What is the operating temperature range of the SN74HC14DT?
The operating temperature range is from -40°C to 85°C.
- What type of inputs does the SN74HC14DT have?
The SN74HC14DT has Schmitt-trigger inputs, which provide hysteresis to improve noise immunity.
- How many inverters does the SN74HC14DT contain?
The SN74HC14DT contains six independent inverters.
