Texas Instruments SN74HCT14N Hex Schmitt Inverter, DIP-14
Texas Instruments SN74HCT14N hex Schmitt-trigger inverter IC. 4.5-5.5V, 14-pin DIP, for noise-immune logic & industrial applications.
The Texas Instruments SN74HCT14N is a high-speed CMOS hex Schmitt-trigger inverter integrated circuit. Housed in a 14-pin DIP package, it performs the Boolean logic function Y = A (inversion) with six independent channels. A key feature is its Schmitt-trigger inputs, which provide excellent noise immunity and clean signal conditioning, making it ideal for interfacing with slow or noisy input signals.
This IC offers a balanced performance of speed and low power consumption, with a typical propagation delay of 18ns and a maximum supply current (ICC) of just 20µA. It provides a robust output drive capability of 4mA at 5V, allowing it to drive up to 10 low-power Schottky TTL (LSTTL) loads. The inputs are TTL-voltage compatible, facilitating easy integration into mixed-logic systems.
Its wide operating voltage range of 4.5V to 5.5V and an extended industrial temperature range from -40°C to +85°C ensure reliable operation in demanding environments. This makes it a versatile component for a wide array of digital logic applications where signal integrity and power efficiency are critical.
Key Features & Applications
- Schmitt-Trigger Inputs: For improved noise rejection and waveform shaping.
- Low Power Consumption: Ideal for battery-powered or energy-sensitive designs.
- High Noise Immunity: Ensures stable operation in electrically noisy industrial settings.
- TTL-Compatible Inputs: Simplifies interfacing with TTL logic families.
- Wide Operating Temperature: Suited for industrial and automotive applications.
This reliable inverter is a fundamental building block for digital systems, commonly used in oscillator circuits, pulse shapers, debounce circuits for switches, and as a general-purpose logic inverter.
- Signal conditioning and noise filtering circuits
- Oscillator and clock generation circuits
- Switch debounce circuits
- Waveform shaping and pulse generation
- Logic Function: Inverter
- No. of Elements: Hex (6 independent)
- No. of Inputs per Element: 1
- No. of Pins: 14
- IC Package: DIP
- Product Range: 74HCT14
- Logic IC Family: 74HCT
- Supply Voltage Min: 4.5V
- Supply Voltage Max: 5.5V
- Special Feature: Schmitt Trigger Input
- Output Current: 4mA
- Output Drive: Can drive up to 10 LSTTL loads
- Operating Temperature Min: -40°C
- Operating Temperature Max: 85°C
- Typical Propagation Delay (TPD): 18ns
- Max Supply Current (ICC): 20µA
- Max Input Current: 1µA
- Dimensions: 33mm (W) x 43mm (H) x 15mm (D)
- Weight: 1.905 grams
- L-voltage compatible Logic Function: Inverter
- of Elements: Hex
- of Inputs: 1Inputs
- of Pins: 14Pins
- IC Case / Package: DIP
- Logic Case Style: DIP
- Schmitt Trigger Input: With Schmitt Trigger Input
- SVHC: No SVHC (27-Jun-2018)
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