M74HCT574TTR

Flip Flops Overview

The M74HCT574TTR is an octal D-type flip-flop manufactured by STMicroelectronics, housed in a 20-TSSOP package. It features positive edge triggering and three-state outputs for bus-oriented applications. The device operates within a supply voltage range of 4.5V to 5.5V. It provides high-level output current of +7.8mA and low-level output current of -7.8mA. The operating temperature range extends from -40°C to +125°C. The component utilizes CMOS technology for low power consumption.

Flip Flops Feature Summary

• Octal D-type flip-flop with positive edge triggering mechanism
• Three-state non-inverting outputs suitable for bus-oriented applications
• CMOS construction ensuring low power consumption characteristics

Flip Flops Applications

• Bus-oriented memory mapping
• Digital signal processing systems
• General-purpose data storage circuits

Flip Flops Procurement Notes

Verify the specific manufacturer part number against official STMicroelectronics documentation to confirm compatibility. Note that this component may be listed as obsolete in certain distributor catalogs; check current lifecycle status before integration. Ensure the 20-TSSOP package dimensions match the target PCB footprint requirements. Confirm RoHS compliance details if required for the specific project standards.

Flip Flops Selection Notes

Select this component when an octal D-type register with three-state outputs is required for bus interfacing. The wide operating temperature range supports industrial environments. Verify that the 4.5V to 5.5V supply voltage aligns with the system logic levels. Consider the TSSOP-20 package size constraints during layout design. Ensure clock and output enable signal timing meets the device specifications.

Flip Flops Part Context

This part belongs to the 74HCT series of high-speed CMOS logic devices. It functions as an octal D-type flip-flop with three-state outputs. The device is designed for bus-oriented applications requiring multiple data lines. It offers low power consumption typical of CMOS technology. The component supports a wide operating temperature range for robust performance.

Flip Flops Replacement Considerations

The 74HCT574XS20G/TR and 74HCT574XSS20G/TR are confirmed substitute part numbers available from STMicroelectronics. These alternatives offer similar functional characteristics but differ in package type, specifically SOIC-20 and SSOP-20 respectively. Verify pinout compatibility and electrical parameters before substitution.