SN74ABT821ADWR

Flip Flops Overview

The SN74ABT821ADWR is a bus interface flip-flop from the Texas Instruments ABT logic series, housed in a 24-pin SOIC package. It features ten non-inverting inputs and three-state outputs with TTL input compatibility. The device operates within a supply voltage range of 4.5 V to 5.5 V. Key electrical parameters include a propagation delay of 6.2 ns, high-level output current of -32 mA, and low-level output current of 64 mA. It supports surface mount installation and functions reliably across an operating temperature range of -40°C to +85°C.

Flip Flops Feature Summary

• Provides ten-bit bus interfacing capability for data storage and transfer
• Features three-state outputs to facilitate direct connection to system buses
• Utilizes advanced BJT technology for high-speed performance and low power consumption

Flip Flops Applications

• Parallel data storage in high-speed computing systems
• Bus-oriented memory register applications
• Clock buffering and timing control circuits

Flip Flops Procurement Notes

Verify the component matches the exact SN74ABT821ADWR designation to ensure correct pinout and functionality. Confirm that the received units are genuine Texas Instruments products by checking manufacturer markings and documentation. Ensure compliance with RoHS standards if required by your specific application environment. Cross-reference datasheet specifications against your circuit requirements before finalizing procurement decisions.

Flip Flops Selection Notes

Select this component when designing systems requiring ten-bit parallel data latching with bus-compatible interfaces. The ABT series offers superior speed compared to standard 74F logic while maintaining lower power dissipation. Consider the 24-pin SOIC package dimensions for PCB layout constraints. Evaluate the 6.2 ns propagation delay against your system's timing requirements to ensure signal integrity at operating frequencies.

Flip Flops Part Context

This part belongs to the SN74ABT821A family of bus interface flip-flops manufactured by Texas Instruments. The 'DWR' suffix indicates the specific SOIC-24 surface-mount package variant. It is part of the broader 74ABT logic line, which combines the speed of bipolar technology with CMOS low-power characteristics. This family is designed for demanding digital applications requiring reliable data handling.

Flip Flops Replacement Considerations

SN74ABT821ADWRE4 is a verified equivalent replacement part number for the SN74ABT821ADWR.