CD4093B

The CD4093B is a monolithic complementary metal-oxide-semiconductor (CMOS) integrated circuit. It is a quad 2-input NAND Schmitt trigger. Schmitt trigger functionality means that the input has hysteresis, providing noise immunity and shaping the input waveform. The CD4093B contains four independent gates, each with two inputs and one output. The outputs of the gates are in phase with the corresponding data inputs.

Each gate in the CD4093B exhibits hysteresis, meaning it has two different thresholds for switching: one for a rising input voltage and another for a falling input voltage. This hysteresis is crucial for applications where the input signal might be noisy or slow to transition. The circuit is designed to operate over a wide voltage range, typically from 3V to 15V. It is available in various package types, including dual in-line packages (DIP) and surface-mount packages.

The primary function of the CD4093B is to provide logic NAND operations with the added benefit of Schmitt trigger action. This makes it suitable for tasks such as waveform shaping, debouncing mechanical switches, and creating oscillators. The high noise immunity and reliable switching characteristics of the CD4093B make it a versatile component in digital logic designs. Its CMOS construction ensures low power consumption, particularly in static conditions.