M74HC51B1R

Gates And Inverters - Multi-Function, Configurable Overview

The M74HC51B1R is a high-speed CMOS dual 2-wide 2-input AND/OR invert gate manufactured by STMicroelectronics using silicon gate C2MOS technology. It integrates one 2-wide 2-input AND/OR invert gate and one 2-wide 3-input AND/OR invert gate within a single package. The device operates within a wide supply voltage range of 2V to 6V, ensuring compatibility with standard logic families. Key electrical characteristics include a typical propagation delay of 11ns at 6V and a maximum static current of 1µA at 25°C. It features symmetrical output impedance with minimum drive currents of 4mA for both high and low states.

Gates And Inverters - Multi-Function, Configurable Feature Summary

• Dual logic structure containing distinct 2-wide 2-input and 2-wide 3-input AND/OR invert gates
• High noise immunity achieved through internal three-stage circuit composition including buffer outputs
• Input protection circuits designed against static discharge and transient excess voltage

Gates And Inverters - Multi-Function, Configurable Applications

• Complex logic decoding circuits requiring combined AND-OR inversion functions
• Digital systems needing compact implementation of multiple logic gate types
• Automotive applications benefiting from high noise immunity and stable output characteristics

Gates And Inverters - Multi-Function, Configurable Procurement Notes

Verify the obsolete status of this component before design finalization. Confirm that the B1R suffix corresponds to the specific tube packaging variant required for your assembly process. Ensure that alternative sources provide identical pinout and electrical specifications to maintain circuit integrity during procurement.

Gates And Inverters - Multi-Function, Configurable Selection Notes

Select this component when space constraints require integrating two different AND/OR invert gate configurations into a single footprint. It is suitable for designs operating between 2V and 6V where low power dissipation is critical. Consider its 11ns propagation delay for timing-sensitive digital paths requiring fast switching speeds.

Gates And Inverters - Multi-Function, Configurable Part Context

This part belongs to the M74HC series of high-speed CMOS logic devices produced by STMicroelectronics. The series is characterized by wide operating voltage ranges and high noise immunity, making it suitable for various industrial and consumer applications. The M74HC51 specifically addresses needs for complex logic gating in a compact form factor.

Gates And Inverters - Multi-Function, Configurable Replacement Considerations

Direct replacements may include other manufacturers' 74HC51 variants such as those from Hitachi Semiconductor, provided they maintain pin and function compatibility with the original specification.