SN74ABT16821DL

Flip Flops Overview

The SN74ABT16821DL is a bus interface flip-flop from the ABT logic series, manufactured by Texas Instruments. It features two circuits with non-inverting TTL input and 3-state output types. The device operates within a power supply voltage range of 4.5 V to 5.5 V. It exhibits a propagation delay of 5.1 ns, with high-level output current capability of -32 mA and low-level output current of 64 mA. The component is housed in an SSOP-56 package designed for surface mount installation.

Flip Flops Feature Summary

• Bus interface flip-flop architecture supporting 20-bit data handling
• ABT logic series providing BiCMOS performance characteristics
• Non-inverting signal polarity with TTL-compatible inputs

Flip Flops Applications

• High-speed data bus interfacing applications
• Parallel data transmission systems requiring registered outputs
• Digital logic circuits utilizing 5V operation standards

Flip Flops Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and tape/reel specifications. Ensure compatibility with existing system voltage levels and thermal requirements before integration. Confirm RoHS compliance status through the latest datasheet revision. Cross-reference the part number with authorized distributors to validate authenticity and traceability. Check for any recent design changes or lifecycle notices that may affect long-term availability.

Flip Flops Selection Notes

Select this component when a registered bus interface with 3-state outputs is required for 5V logic systems. The ABT series offers superior speed compared to standard 74F logic while maintaining robust drive capabilities. Consider the SSOP-56 package constraints regarding board space and thermal dissipation. Evaluate the propagation delay specifications against system timing requirements to ensure signal integrity across the 20-bit bus width.

Flip Flops Part Context

This device belongs to the SN74ABT family of high-speed BiCMOS logic integrated circuits. The ABT series is designed to provide fast switching speeds and low power consumption. Bus interface flip-flops in this category are essential for synchronizing data flow between different logic domains. The SN74ABT16821 specifically addresses needs for wide data path registration with tri-state control capabilities.

Flip Flops Replacement Considerations

SN74ABT16821DGGR is a documented substitute variant offering identical logical functionality in a TSSOP-56 package. Verify pinout compatibility and mechanical dimensions before substitution. Ensure electrical parameters remain within acceptable limits for the target application.