CD4093BE Quad 2-Input NAND Schmitt Trigger – High-Noise Immunity Logic IC
En CD4093BE is a high-reliability CMOS logic device from Texas Instruments (TI), designed to deliver superior performance in digital logic applications. This quad 2-input NAND gate with Schmitt-trigger inputs is ideal for industrial, automotive, and consumer electronics systems requiring high noise immunity and low power consumption. With its wide operating voltage range and robust input characteristics, it is a preferred choice among engineers and system designers for signal conditioning, waveform shaping, and logic-level conversion.
Resumen técnico y características principales
This device integrates four independent NAND gates with Schmitt-trigger action on both inputs. The Schmitt-trigger functionality ensures clean digital transitions even with slow or noisy input signals, making it highly suitable for environments with electrical interference. The CD4093BE is fabricated using CMOS technology, which provides high noise margins and low static power consumption.
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- Quad 2-input NAND gates with Schmitt-trigger inputs
- Wide supply voltage range: 3V to 15V
- High noise immunity: 0.45 VDD (typical)
- Bajo consumo de energía: CMOS technology
- TTL-compatible input thresholds at 5V supply
- Temperature range: -55°C to 125°C
- Standard 14-pin DIP package for easy prototyping and integration
Technical Specifications Table
| Parámetro | Valor | Unidad |
|---|---|---|
| Familia lógica | CD4000 CMOS | – |
| Number of Gates | 4 | – |
| Inputs per Gate | 2 | – |
| Rango de tensión de alimentación | 3 to 15 | V |
| High-Level Output Voltage (Min) | VDD – 0.05 | V |
| Low-Level Output Voltage (Max) | 0.05 | V |
| Input Leakage Current | ±100 | nA |
| Propagation Delay (tPD) | 200 (typ at 5V) | ns |
| Temperatura de funcionamiento | -55 a +125 | °C |
| Tipo de envase | DIP-14 | – |
Why Choose This NAND Schmitt Trigger Over Standard Logic Gates?
Unlike standard NAND gates, the CD4093BE incorporates Schmitt-trigger inputs, which provide hysteresis and noise immunity. This makes it particularly effective in applications where input signals are slow-changing or noisy. The hysteresis characteristic ensures that the output switches cleanly and predictably, reducing false triggering and improving system stability.
Compared to typical logic gates, this device offers:
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- Improved signal integrity in electrically noisy environments
- Lower power draw due to CMOS architecture
- Greater design flexibility with a wide voltage range
- Enhanced reliability across industrial temperature ranges
These advantages make it a go-to solution for engineers seeking robust digital logic performance in mission-critical systems.
Typical Applications in Industrial and Consumer Electronics
En CD4093BE is widely used in a variety of applications where signal conditioning and logic control are essential. Its Schmitt-trigger inputs make it ideal for interfacing with analog signals or noisy digital lines.
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- Waveform shaping and signal conditioning
- Debouncing mechanical switches in embedded systems
- Oscillator circuits and pulse generators
- Logic level conversion between different voltage domains
- Sensor signal processing in industrial automation
Its robust performance and ease of integration make it a staple in both prototyping and production environments.
Texas Instruments – A Trusted Name in Logic ICs
Texas Instruments (TI) is a globally recognized leader in analog and embedded processing semiconductors. With decades of innovation and a commitment to quality, TI’s logic devices are trusted by engineers worldwide. The CD4093BE is part of TI’s extensive CD4000 series, known for its reliability, long lifecycle, and compatibility with a wide range of applications.
TI’s commitment to quality and performance ensures that every device meets stringent industry standards, making it a preferred choice for OEMs and design engineers alike.
Preguntas más frecuentes (FAQ)
1. What is the main function of the CD4093BE?
The device functions as a quad 2-input NAND gate with Schmitt-trigger inputs, which means it performs logical NAND operations while also cleaning up noisy or slow input signals using hysteresis.
2. Can this IC operate at 5V logic levels?
Yes, it operates effectively at 5V and is compatible with TTL logic levels at this voltage, making it suitable for interfacing with standard digital systems.
3. What makes Schmitt-trigger inputs beneficial?
