CD4093BM – HARRIS

Overview

The Texas Instruments CD4093BM is a quad 2-input Schmitt-trigger NAND gate IC, offering robust noise immunity and hysteresis essential for signal conditioning in diverse electronic systems. Its primary function is to implement logic NAND operations with the added benefit of Schmitt trigger inputs, which provide a clean digital output even with slow or noisy analog input signals. A key design consideration when utilizing this CMOS logic family is managing its relatively slower propagation delay (65 ns typical) compared to TTL counterparts; this trade-off is often accepted for its superior power efficiency and wider operating voltage range (3V to 18V), making it ideal for battery-powered or high-voltage applications where quiescent current is paramount.

Key Features

• Quad 2-Input Schmitt-Trigger NAND Gate Configuration
• Wide Operating Supply Voltage: 3V to 18V
• Low Quiescent Current: 40 nA typical
• High Noise Immunity due to Schmitt Trigger Inputs
• SOIC-14 Surface Mount Package (8.65mm x 3.91mm x 1.58mm)
• Operating Temperature Range: -55°C to +125°C

Applications

The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.

• Debouncing mechanical switches in control panels
• Generating clean clock signals from noisy oscillators
• Implementing threshold detection circuits in sensor interfaces
• Creating pulse shaping and delay elements in digital timing circuits