M74HC564B1R

Flip Flops Overview

The M74HC564B1R is a high-speed CMOS decoder manufactured by STMicroelectronics, belonging to the 74HC series. It functions as a one-of-eight line decoder/demultiplexer with active-low outputs and an enable input. The device utilizes silicon gate C2MOS technology for high speed and low power consumption. It operates within a supply voltage range of 2 V to 6 V and supports through-hole mounting in a 16-DIP package. Key electrical parameters include a propagation delay of 30 ns at 6 V, output drive capability of 8 mA, and an operating temperature range from -55°C to +125°C.

Flip Flops Feature Summary

• Provides decoding functionality for one-of-eight line applications with active-low outputs
• Features an enable input for controlling data flow and output states
• Utilizes silicon gate C2MOS technology to achieve high-speed operation comparable to LSTTL while maintaining low CMOS power dissipation
• Includes protection circuits on all inputs against static discharge and transient excess voltages

Flip Flops Applications

• Address decoding for memory or peripheral selection in digital systems
• Demultiplexing single input signals to multiple output lines
• Control logic implementation requiring decoded signal generation
• General-purpose digital circuit design using standard logic families

Flip Flops Procurement Notes

Verify component authenticity and datasheet revision when sourcing this part. Confirm that the specific B1R suffix matches your required pinout and packaging specifications. Check for end-of-life status or obsolescence notices from the manufacturer. Ensure compatibility with your existing PCB footprint and assembly processes. Validate that the supplier provides traceable documentation for quality assurance purposes.

Flip Flops Selection Notes

Select this component when a one-of-eight decoder with active-low outputs is required. Consider the 74HC series for compatibility with standard TTL logic levels if operating voltages align. Evaluate the 16-DIP package availability against your manufacturing constraints. Compare performance metrics such as propagation delay and output current against alternative decoders. Ensure the wide operating voltage range suits your system's power supply requirements.

Flip Flops Part Context

The M74HC564B1R is part of STMicroelectronics' extensive 74HC logic family, designed for general-purpose digital applications. It complements other decoders and multiplexers in the lineup, offering standardized functionality across various package types. The HC series is known for balancing speed and power efficiency, making it suitable for battery-operated and high-performance systems alike. This specific model focuses on eight-line decoding capabilities.

Flip Flops Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.