JM54HC245BRA

Overview

The JM54HC245BRA is an octal bidirectional bus transceiver fabricated with advanced high-speed CMOS technology. It features eight bidirectional data channels and three-state outputs, designed for memory and buffer applications. The device operates within a voltage range of 2V to 6V and supports bidirectional data flow controlled by a direction pin. It utilizes silicon gate CMOS processes to achieve high-speed operation while maintaining low power consumption characteristics typical of HC series logic devices.

Feature Summary

• Octal bidirectional data transmission capability
• Three-state output configuration
• Advanced high-speed CMOS fabrication

Applications

• Memory buffer applications
• Bus-oriented architectures
• Bidirectional data transfer systems

Procurement Notes

Verify the specific suffix BRA against manufacturer documentation to confirm package type and material specifications. Ensure compatibility with existing system voltage levels and signal integrity requirements before procurement. Cross-reference part numbers with official National Semiconductor or Texas Instruments databases to confirm authenticity and current production status.

Selection Notes

Select this component when an octal width bidirectional interface is required for system buses. Consider the operating voltage range and propagation delay specifications relative to system clock speeds. Evaluate thermal management needs based on the intended load conditions and ambient temperature environments during design integration.

Part Context

This component belongs to the 54HC series of high-speed CMOS logic devices manufactured by National Semiconductor. The series is characterized by wide operating voltage ranges and compatibility with standard CMOS logic families. These devices are commonly used in military and industrial applications requiring robust performance across extreme temperature variations.

Replacement Considerations

Check for direct equivalents such as MM54HC243 variants if pinout compatibility allows. Verify functional equivalence with other octal transceivers from the same logic family. Confirm that substitute parts meet the same environmental and electrical specifications required by the original design.