SN74ACT1284DW

Specialty Logic Overview

The SN74ACT1284DW is a 7-bit bus interface device manufactured by Texas Instruments, designed for high-speed data transmission in digital systems. It features three-state outputs and operates within a supply voltage range of 4.5 V to 5.5 V. The component supports an operating temperature range from 0 °C to 70 °C and is housed in a 20-pin SSOP package with a shrink pitch. It complies with the IEEE-1284 interface standard and utilizes Schmitt trigger inputs to ensure noise immunity. The device provides efficient signal buffering for parallel bus applications.

Specialty Logic Feature Summary

• Provides seven-bit bidirectional bus interfacing capabilities with three-state outputs for effective data line management.
• Incorporates Schmitt trigger input characteristics to enhance noise rejection and signal integrity during data transitions.
• Complies with the IEEE-1284 interface standard, ensuring compatibility with established parallel communication protocols.

Specialty Logic Applications

• Parallel data bus interfaces in computing systems
• Signal buffering for IEEE-1284 compliant devices
• High-speed data transmission lines in industrial control equipment

Specialty Logic Procurement Notes

Verify that the specific part number matches the required package type and temperature grade. Confirm compliance requirements such as RoHS status and lead content, as datasheets may indicate non-compliance or specific regulatory classifications. Ensure the ordering suffix corresponds to the correct packaging format, such as tube or reel, to match assembly processes. Cross-reference the manufacturer's latest documentation to confirm current production status and availability constraints before finalizing procurement decisions.

Specialty Logic Selection Notes

Select this component when designing circuits requiring seven-bit wide bus interfaces with defined output impedance and noise tolerance. Consider the SSOP package dimensions and pin count for PCB layout constraints. Evaluate the operating temperature range against the environmental conditions of the target application. Compare propagation delay specifications if timing criticality exceeds the standard performance metrics provided in the official datasheet.

Specialty Logic Part Context

This device belongs to the Texas Instruments SN74ACT series, which represents advanced CMOS logic technology offering speed comparable to TTL while maintaining low power consumption. The SN74ACT1284 variant specifically addresses bus interface needs, differing from buffer variants like the SN74ACT241 by providing specialized functionality for parallel data transfer standards rather than general-purpose octal buffering.

Specialty Logic Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.