JM54ACT245B2A-R

Overview

The JM54ACT245B2A-R is an octal bidirectional bus transceiver manufactured by National Semiconductor. It features non-inverting logic with three-state outputs and operates on a single supply voltage up to 5.5V. The device utilizes a 20-lead LCCC package measuring 8.89x8.89 mm. It supports bidirectional data flow controlled by a direction signal, enabling efficient data transfer between buses in high-speed digital systems.

Feature Summary

• Octal bidirectional data transmission capability
• Three-state output configuration for bus isolation
• Non-inverting logical operation
• Single-direction control input

Applications

• Memory bus interfacing
• Microprocessor system data routing
• High-speed digital communication links

Procurement Notes

Verify the specific suffix B2A against the manufacturer's official documentation to confirm pinout and electrical characteristics match your design requirements. Ensure the 20-LCCC package dimensions are compatible with your PCB footprint. Confirm that the component meets all necessary environmental and reliability standards for your intended application before finalizing procurement.

Selection Notes

Select this component when an octal, non-inverting, bidirectional transceiver with three-state outputs is required. The 5.5V maximum operating voltage suits standard CMOS logic families. The LCCC package offers a compact solution for space-constrained designs requiring robust bus isolation and high-speed data transfer capabilities.

Part Context

This part belongs to the 54ACT series of high-speed CMOS logic devices. It serves as a critical interface component in digital systems, facilitating data movement between different bus segments. The National Semiconductor variant maintains compatibility with standard ACT logic specifications while offering specific packaging options for industrial or military applications.

Replacement Considerations

The CD54ACT245F3A is a documented alternative from Harris featuring similar functional characteristics. Verify package compatibility, as the replacement uses a CDIP20 ceramic DIP format rather than the LCCC package. Ensure electrical parameters align with system requirements before substitution.