SN74ABTH32318PN

Universal Bus Functions Overview

The SN74ABTH32318PN is an 18-bit, three-port universal bus exchanger from the ABTH logic family. It operates within a supply voltage range of 4.5 V to 5.5 V and supports data rates up to 150 MHz with a maximum propagation delay of 6.6 ns. The device features TTL-compatible inputs and outputs, housed in an 80-pin LQFP package. It functions as a single circuit unit designed for high-speed bidirectional data exchange across multiple ports.

Universal Bus Functions Feature Summary

• Provides universal bus exchange functionality for three distinct ports
• Supports high-speed data transfer with low propagation delay characteristics
• Features TTL-compatible input and output levels for system integration

Universal Bus Functions Applications

• High-speed bidirectional data routing between system buses
• Universal bus interface circuits requiring multi-port connectivity
• Data exchange applications in industrial or computing systems

Universal Bus Functions Procurement Notes

Verify the specific suffix PN against official Texas Instruments documentation to confirm the LQFP-80 package configuration. Ensure compatibility with the required 4.5 V to 5.5 V operating voltage range and check for moisture sensitivity handling requirements during assembly. Confirm that the catalog rating meets the design specifications.

Universal Bus Functions Selection Notes

Select this component when an 18-bit wide bus exchanger with three independent ports is required. The ABTH series offers a balance of speed and drive capability suitable for 5 V systems. Consider the 80-pin LQFP footprint for PCB layout constraints and verify that the 6.6 ns propagation delay meets the timing requirements of the target application.

Universal Bus Functions Part Context

This part belongs to the SN74ABTH32318 series of universal bus exchangers manufactured by Texas Instruments. The ABTH family is characterized by CMOS technology optimized for high-speed operation at 5 V. This specific model provides a consolidated solution for managing data flow across three separate bus segments without external logic components.

Universal Bus Functions Replacement Considerations

Consult official substitution guides for compatible parts within the same logic family or equivalent performance tiers. Verify pinout compatibility and electrical parameters before replacing.