SN74LVC574ADBR

Flip Flops Overview

The SN74LVC574ADBR is an octal D-type flip-flop from the Texas Instruments 74LVC logic family, housed in a 20-SSOP surface-mount package. It features positive-edge triggering and three-state non-inverting outputs. The device operates within a supply voltage range of 1.65 V to 3.6 V, supporting CMOS and TTL input compatibility. Key electrical specifications include a maximum propagation delay of 7.8 ns at 3.3 V with 50 pF load, and output drive currents of ±24 mA. It functions reliably across an operating temperature range of -40°C to 125°C.

Flip Flops Feature Summary

• Octal configuration providing eight independent D-type flip-flops within a single integrated circuit
• Three-state outputs enable direct bus-driven connections without external pull-up or pull-down resistors
• Positive-edge clock triggering ensures data capture occurs specifically on the rising transition of the clock signal
• CMOS and TTL input compatibility allows seamless integration with various legacy and modern logic families

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Register file storage elements in microprocessor systems
• Bus interface buffering for data latching
• Timing synchronization and edge detection modules

Flip Flops Procurement Notes

Verify the complete part number including the suffix 'DBR' to confirm the specific SSOP-20 packaging and tape-and-reel shipping format. Ensure the procurement specification matches the LVC series requirements for low-voltage operation between 1.65 V and 3.6 V. Confirm that the intended application environment falls within the specified commercial/industrial temperature range of -40°C to 125°C to guarantee performance reliability.

Flip Flops Selection Notes

Select this component when designing systems requiring high-density octal storage with low power consumption. The LVC series is suitable for applications demanding operation below 3.3 V where standard HC or HCT logic would be incompatible. Consider the 20-SSOP package dimensions for PCB layout constraints. Verify that the required switching speed meets the 7.8 ns propagation delay specification for the target clock frequency.

Flip Flops Part Context

This device belongs to the Texas Instruments 74LVC (Low Voltage CMOS) family, designed for high-speed digital applications with reduced power dissipation compared to older technologies. The 74LVC574A variant serves as an octal register with three-state outputs, widely used in embedded systems and communication interfaces. It complements other LVC logic gates by providing standardized timing characteristics and robust input protection structures.

Flip Flops Replacement Considerations

Direct pin-compatible alternatives within the same manufacturer's portfolio include the SN74LVC574APW (TSSOP-20 package). Cross-family replacements such as the SN74HC574 require verification of voltage level compatibility and switching speed differences.