SN74ABT18245ADL

Specialty Logic Overview

The SN74ABT18245ADL is an 18-bit non-inverting bus transceiver utilizing Advanced BiCMOS (ABT) technology. It features three-state outputs and is designed for boundary scan applications. The device operates within a supply voltage range of 4.5 V to 5.5 V. It supports TTL input levels and provides high-speed data transfer with a propagation delay of 5.2 ns at 50 pF load. The component is housed in a 56-pin SSOP package and functions as a specialty logic device for system interconnects.

Specialty Logic Feature Summary

• Integrates 18-bit non-inverting bus transceiver functionality with three-state outputs
• Utilizes Advanced BiCMOS technology for high-speed performance
• Designed specifically for boundary scan test applications

Specialty Logic Applications

• Boundary scan testing architectures
• High-speed data bus interconnects
• System-level data transfer interfaces

Specialty Logic Procurement Notes

Verify the specific suffix 'ADL' corresponds to the SSOP-56 tube packaging configuration. Confirm that the ABT series designation aligns with the required 5V operation and BiCMOS process specifications. Ensure compatibility with boundary scan standards if used in test environments. Cross-reference the manufacturer part number against official Texas Instruments documentation to validate the exact electrical characteristics and pinout assignments before procurement.

Specialty Logic Selection Notes

Select this component when an 18-bit wide data path is required for boundary scan or general bus interfacing. The ABT technology offers superior speed compared to standard CMOS alternatives. Ensure the system environment supports the 4.5V to 5.5V operating range. The SSOP-56 package is suitable for surface-mount assembly where moderate pin density is needed. Verify that the non-inverting polarity matches the signal flow requirements of the target circuit design.

Specialty Logic Part Context

This device belongs to the Texas Instruments 74ABT series, which employs Advanced BiCMOS technology to achieve high-speed switching capabilities. The SN74ABT18245 variant specifically addresses the need for wider data buses in test and measurement systems. It serves as a bridge between different logic domains while maintaining signal integrity through its three-state output capability.

Specialty Logic Replacement Considerations

Check for SN74ABT18245 variants with different packaging suffixes such as ADLR for tape-and-reel options. Verify functional equivalence with other 18-bit ABT bus transceivers from the same family.