SN74HC574PWRE4

Flip Flops Overview

The SN74HC574PWRE4 is an octal edge-triggered D-type flip-flop featuring three-state outputs, manufactured by Texas Instruments. It operates within a supply voltage range of 2V to 6V and supports a maximum clock frequency of 40MHz. The device utilizes CMOS input technology and provides non-inverting logic with a propagation delay typically ranging from 26ns to 38ns depending on load conditions. It offers high-level and low-level output currents of up to 7.8mA each. The component is housed in a 20-TSSOP package with dimensions of 6.50mm x 4.40mm and a height of 1.05mm. It functions reliably across an operating temperature range of -40°C to +85°C.

Flip Flops Feature Summary

• Octal configuration providing eight independent D-type flip-flops within a single integrated circuit
• Three-state outputs designed for efficient bus-driven applications and signal isolation
• Edge-triggered data storage mechanism ensuring precise timing control via positive clock transitions
• CMOS input structure compatible with standard logic families while maintaining low static power consumption

Flip Flops Applications

• Buffer registers for temporary data storage in digital systems
• I/O ports for interfacing microcontrollers with peripheral devices
• Bidirectional bus drivers for managing data flow across system lines
• Working registers for holding intermediate calculation results

Flip Flops Procurement Notes

Verify the specific ordering suffix 'E4' indicates lead-free manufacturing compliance with RoHS standards. Confirm the package type matches the required 20-TSSOP footprint for PCB layout compatibility. Ensure the voltage supply requirements align with the 2V to 6V operational range specified for this variant. Check that the temperature rating meets the environmental constraints of the target application environment.

Flip Flops Selection Notes

Select this component when an octal storage solution with tri-state capability is required for bus architectures. Consider the 40MHz clock limit and propagation delays for high-speed timing analysis. Evaluate the TSSOP package size against available board space constraints. Compare performance metrics against other HC series variants if different drive strengths or speeds are necessary for the specific design requirements.

Flip Flops Part Context

This part belongs to the SN74HC574 family of octal edge-triggered D-type flip-flops with three-state outputs. It is part of the broader 74HC logic series, which uses CMOS technology for low power consumption and high noise immunity. The 'E4' suffix typically denotes environmental compliance features such as lead-free construction. This family is widely used in general-purpose digital logic applications requiring parallel data storage and controlled output driving.

Flip Flops Replacement Considerations

SN74HC574PWRG4 serves as a direct equivalent replacement within the same product line. Both parts share identical electrical characteristics and pinout configurations. Verify that the alternative part number maintains the same TSSOP-20 package and RoHS compliance status. Ensure the substitute component meets the same voltage and temperature specifications for seamless integration.