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The SN74LS14DR is a high-performance integrated circuit belonging to the 74LS series, developed by Texas Instruments. It is classified as a logic gate and inverter with Schmitt Trigger features, widely used in digital signal processing for its stability and anti-interference ability.
Category:Integrated Circuits (ICs),Logic,Gates and Inverters
Mfr:Texas Instruments
Series:74LS
Packaging:Tape & Reel
Part Status:Active
Logic Type:Inverter
Features:Schmitt Trigger
Voltage - Supply:4.75V ~ 5.25V
Current - Output High, Low:400µA, 8mA
Input Logic Level - Low:0.5V
Input Logic Level - High:1.9V
Max Propagation Delay @ V, Max CL:22ns @ 5V, 15pF
Operating Temperature:0°C ~ 70°C
Mounting Type:Surface Mount
Package / Case:14-SOIC (0.154", 3.90mm Width)
Six Channels:It integrates six independent Schmitt Trigger inverters, allowing simultaneous processing of multiple input signals and improving circuit integration efficiency.
Schmitt Trigger:Equipped with Schmitt Trigger function, it has different threshold levels for positive and negative input signals, effectively filtering noise and avoiding false triggering.
TTL Compatibility:Compatible with standard TTL input and output levels, it can be directly connected with various digital circuits, ensuring good compatibility in system design.
Fast Response:The maximum propagation delay is only 22ns @ 5V and 15pF, enabling fast signal inversion and processing, suitable for high-frequency application scenarios.
Stable Power Supply:Operates stably within the voltage range of 4.75V ~ 5.25V, with low power consumption and strong adaptability to power supply fluctuations.
Surface Mount:Adopts 14-SOIC surface mount package, which is small in size, easy to install, and suitable for compact circuit board design.
Key Debouncing:Used in keyboard and remote control circuits to eliminate contact jitter of mechanical keys, preventing false signals from affecting the normal operation of the system.
Signal Shaping:Converts irregular input signals (such as sinusoidal or triangular waves) into standard square waves, ensuring stable signal transmission in digital circuits like single-chip microcomputer systems.
Clock Processing:Serves as a buffer and shaper for clock signals in FPGA and single-chip microcomputer systems, ensuring the stability and accuracy of clock frequency.
LED Control:Used in LED driving circuits to control the blinking frequency and brightness of LEDs, applicable to small electronic devices such as LED indicator lights and simple light strips.
Sensor Interface:Processes weak and noisy signals output by sensors (such as photoelectric sensors and pressure sensors), converting them into clean digital signals for subsequent circuit processing.
Electronic DIY:Applied in self-made electronic projects such as electronic synthesizers and tone generators, used for waveform shaping and signal inversion to realize specific functional requirements.
The SN74LS14DR is a reliable, high-performance logic inverter IC with Schmitt Trigger features.With its excellent noise suppression,fast response and good compatibility,it is widely used in various digital circuit scenarios,providing stable and efficient signal processing solutions for electronic product design.
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