MC74HCT574ADTR2

Flip Flops Overview

The MC74HCT574ADTR2G is an octal D-type flip-flop from the 74HCT logic family, manufactured by onsemi. It features a single-ended non-inverting output with three-state capability. The device operates within a supply voltage range of 4.5 V to 5.5 V and exhibits a propagation delay of 30 ns at 5 V. It provides high-level and low-level output currents of 6 mA each. Packaged in a 20-TSSOP surface-mount format, it supports a wide operating temperature range from -55°C to 125°C.

Flip Flops Feature Summary

• Octal D-type flip-flop architecture with positive-edge triggering for eight-bit data storage
• Three-state outputs enable direct bus line interfacing and system-wide data multiplexing
• CMOS technology ensures low static power consumption while maintaining compatibility with TTL inputs

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Buffered register stages in microprocessor systems
• I/O port expansion for digital control interfaces

Flip Flops Procurement Notes

Verify the complete part number includes the trailing 'G' suffix, indicating RoHS compliance, as distributors may list variations. Confirm the package designation matches the required TSSOP-20 footprint for PCB layout compatibility. Ensure the ordering code specifies the tape and reel quantity if automated assembly is intended, rather than cut tape or tube formats.

Flip Flops Selection Notes

Select this component when designing systems requiring eight-bit parallel data latching with bus-compatible outputs. The HCT series guarantees voltage level compatibility with standard 5V CMOS and TTL logic families. Consider the thermal performance and current drive capabilities relative to the load requirements of the connected circuitry.

Flip Flops Part Context

This device belongs to the 74HCT574A family of octal D-type flip-flops. It serves as a fundamental building block for sequential logic design, offering reliable data retention and transfer functions. The component integrates clock and enable controls to manage data flow within complex digital architectures efficiently.

Flip Flops Replacement Considerations

MC74HCT574ADWR2G

Flip Flops FAQ

What is the specific trigger edge for data capture?

Data is captured on the positive-going transition of the clock signal.

Does the device support direct connection to bus lines?

Yes, the three-state output feature allows direct interfacing with system bus lines.