SN74AHCT574DBR

Flip Flops Overview

The SN74AHCT574DBR is an octal edge-triggered D-type flip-flop manufactured by Texas Instruments, featuring three-state outputs. It operates within a supply voltage range of 4.5 V to 5.5 V and utilizes a 20-SSOP surface-mount package. The device exhibits a maximum propagation delay of 10.6 ns at 5 V with a 50 pF load and supports a clock frequency of 115 MHz. Output drive capability is specified at ±8 mA, while static current consumption (Iq) is typically 4 µA. Input capacitance is rated at 3 pF, ensuring compatibility with TTL voltage levels.

Flip Flops Feature Summary

• Octal edge-triggered D-type flip-flop architecture with non-inverting three-state outputs
• Direct compatibility with TTL input voltage levels for seamless system integration
• High-speed performance supporting clock frequencies up to 115 MHz
• Low power consumption characteristics with minimal static current draw

Flip Flops Applications

• Buffer register implementations in digital systems
• General-purpose I/O port interfacing
• Bidirectional bus driver circuits
• Working register storage applications

Flip Flops Procurement Notes

Verify the specific ordering suffix 'DBR' corresponds to the 20-SSOP package and reel packaging configuration required for your assembly process. Confirm that the AHCT logic family aligns with your system's voltage requirements, as this component is strictly designed for 4.5 V to 5.5 V operation. Ensure that thermal management strategies account for the surface-mount installation style and ambient operating temperature ranges defined in the official datasheet specifications.

Flip Flops Selection Notes

Select the SN74AHCT574DBR when designing systems requiring high-speed data latching with TTL-compatible inputs. This component is suitable for applications demanding low static power consumption alongside robust output drive capabilities. Consider the 20-SSOP package constraints for PCB layout density. Evaluate the 10.6 ns propagation delay against your system timing budgets to ensure signal integrity is maintained across all eight channels during edge-triggered operations.

Flip Flops Part Context

This component belongs to the SN74AHCT574 series, representing advanced high-speed CMOS technology optimized for 5 V systems. It serves as a standard solution for octal storage and buffering tasks in industrial and consumer electronics. The device integrates eight independent D-type flip-flops with positive-edge triggering, providing a compact alternative to discrete logic solutions while maintaining industry-standard pinout configurations for easy design migration.

Flip Flops Replacement Considerations

The SN74AHCT574DBRG4 is a verified equivalent part number offering identical electrical and mechanical specifications. Designers may also consider the SN74AHCT574PWRG4 for TSSOP-20 package variants if form factor adjustments are necessary. Verify that any substitute maintains the same AHCT logic family characteristics to preserve TTL input compatibility and 5 V operational parameters.