Texas Instruments CD4093BM CMOS Quad NAND Gate with Schmitt Trigger, SOIC-14

The Texas Instruments CD4093BM is a CMOS integrated circuit featuring four independent Schmitt-trigger two-input NAND gates. This device is engineered for superior noise immunity and reliable operation in demanding electronic environments, making it a trusted component for critical applications.

Each gate incorporates Schmitt-trigger action on both inputs, meaning the switching threshold differs for positive- and negative-going signals. This creates a defined hysteresis voltage (VH), which significantly enhances noise rejection—typically greater than 50%—and prevents erratic output switching from slow or noisy input signals. No external components are required to utilise this beneficial feature.

Key Features & Benefits

• High Noise Immunity: Schmitt-trigger inputs provide excellent rejection of signal noise, ensuring stable operation.
• Wide Voltage Range: Operates from a single supply voltage of 3V to 18V, offering great design flexibility.
• Standardised Outputs: Features symmetrical output characteristics for predictable performance.
• Robust Design: 100% tested for quiescent current and meets all requirements of JEDEC standard No. 13B.
• Environmental Compliance: Manufactured as a green product with no antimony or bromine (Sb/Br).

Technical Specifications

The hysteresis voltage is typically 0.9V at a 5V supply and 2.3V at 10V. It offers a maximum output current of 6.8mA and can operate across an extreme temperature range from -55°C to 125°C. The device is supplied in a compact, surface-mount SOIC package with 14 pins.

Ideal for aerospace, defence, military, and industrial systems, the CD4093BM provides a reliable logic solution where signal integrity and operational stability are paramount.