SN74ACT564DBRE4

Flip Flops Overview

The SN74ACT564DBRE4 is an octal D-type edge-triggered flip-flop with 3-state outputs from the Texas Instruments ACT logic family. It operates within a supply voltage range of 4.5 V to 5.5 V and features a propagation delay of 10.5 ns at 5 V with 50 pF load. The device provides high drive capability with output currents of ±24 mA. It is housed in a 20-SOIC package and supports a wide operating temperature range from -40°C to +85°C, ensuring reliable performance in demanding digital applications.

Flip Flops Feature Summary

• Octal configuration providing eight independent D-type edge-triggered flip-flops in a single package
• Three-state outputs allowing direct connection to bus systems without external buffers
• ACT series technology delivering high-speed operation with low power consumption
• Robust output drive capability suitable for driving heavy capacitive loads

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Register files in microprocessor-based systems
• Bus interface buffering and isolation
• Digital signal processing data storage elements

Flip Flops Procurement Notes

Verify that the ordering suffix RE4 confirms the specific tape-and-reel packaging variant required for automated assembly processes. Ensure compatibility with standard SOIC footprint designs. Confirm RoHS compliance status matches current environmental regulations for your region. Cross-reference the manufacturer part number against official TI documentation to validate revision levels before finalizing procurement orders.

Flip Flops Selection Notes

Select this component when designing systems requiring octal data latching with high-speed clocking capabilities. The ACT series offers a balance of speed and power efficiency compared to older TTL families. Consider the 3-state output feature if the design involves shared bus architectures. Verify that the 5V supply voltage aligns with the system's power distribution network requirements.

Flip Flops Part Context

This device belongs to the SN74ACT564 product line, which represents advanced CMOS technology optimized for high-performance digital logic applications. The ACT family bridges the gap between standard TTL and faster ECL technologies, offering improved switching speeds while maintaining compatible input and output characteristics. This specific variant utilizes surface-mount packaging for modern PCB layouts.

Flip Flops Replacement Considerations

SN74ACT564DWR serves as a direct functional substitute within the same logic family. Both devices share identical electrical specifications and pinout configurations. Ensure that the alternative package type meets the mechanical constraints of the existing design. Verify that any replacement maintains the same 3-state output functionality and propagation delay characteristics.