The TC4093BF is a quad 2-input NAND Schmitt trigger manufactured by Toshiba Semiconductor and Storage. It is part of the TC4000 series, which is known for its low power consumption and high noise immunity due to its CMOS technology. This IC contains four independent 2-input NAND gates, each with Schmitt trigger inputs, making it suitable for applications requiring noise suppression and waveform shaping.

Applications

• Noise Suppression: Used to clean up noisy or distorted digital signals.
• Wave Shaping: Employed for shaping square waves or other waveforms.
• Logic Gates: Functions as a fundamental NAND gate in digital logic circuits.
• Oscillators: Can be configured as oscillators for clock generation or timing circuits.
• Monostable Multivibrators: Used to create monostable multivibrators (one-shot timers).

Features

• Quad 2-Input NAND Gates: Contains four independent 2-input NAND gates in a single package.
• Schmitt Trigger Inputs: Provides hysteresis for improved noise immunity and waveform shaping.
• Low Power Consumption: CMOS technology ensures minimal power dissipation.
• Wide Operating Voltage Range: Operates over a broad range of supply voltages.
• High Noise Immunity: Enhanced noise immunity due to Schmitt trigger inputs.

Benefits

• Improved Noise Immunity: Schmitt trigger inputs provide superior noise immunity compared to standard NAND gates.
• Simplified Circuit Design: Reduces component count due to the integration of four NAND gates in one package.
• Energy Efficient: Low power consumption extends battery life in portable applications.
• Reliable Operation: Stable performance in noisy environments due to hysteresis.
• Versatile Applications: Suitable for a wide range of digital logic and signal conditioning applications.

Additional Details

The TC4093BF is typically available in a 14-pin package. The output of the NAND gate is low only when both inputs are high; otherwise, the output is high. The Schmitt trigger inputs introduce hysteresis, meaning that the switching threshold for a rising input signal is different from the switching threshold for a falling input signal. This helps to prevent oscillations and false triggering due to noise. Proper decoupling capacitors should be used near the power supply pins to ensure stable operation.