HCF4081BM1 – STMicroelectronics

Overview

The STMicroelectronics HCF4081BM1 is a high-performance CMOS quadruple 2-input AND gate, designed for robust digital logic operations across a wide supply voltage range of 3V to 20V. Its primary function is to implement the logical AND operation for four independent gate pairs, crucial for combinatorial logic synthesis. A key design consideration for such CMOS devices is the trade-off between propagation delay and power consumption; while the HCF4081BM1 offers a respectable 250 ns propagation delay, designers must carefully manage input slew rates to avoid excessive dynamic power dissipation, especially at higher operating frequencies and supply voltages.

Key Features

• Quad 2-Input AND Gate configuration
• Wide Operating Supply Voltage: 3V to 20V
• Low Quiescent Current: 20 nA
• High Noise Immunity inherent to CMOS
• Extended Temperature Range: -55°C to +125°C
• Compact SOP-14 Package (8.75mm x 4mm x 1.65mm)

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.

• Implementing complex combinatorial logic functions in industrial control systems
• Signal gating and multiplexing in data acquisition front-ends
• Address decoding and selection logic in embedded microcontrollers
• Enabling/disabling signal paths in power management units