MM74HC245ASJ

Buffers, Drivers, Receivers, Transceivers Overview

The MM74HC245ASJ is an octal 3-state transceiver manufactured by onsemi. It utilizes advanced silicon-gate CMOS technology to facilitate two-way asynchronous communication between data buses. The device features high drive current outputs, enabling high-speed operation even when driving large bus capacitances. It possesses low power consumption and high noise immunity typical of CMOS circuitry, with speeds comparable to low-power Schottky TTL circuits. The component includes an active LOW enable input (G) and a direction control input (DIR).

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bidirectional buffer utilizing advanced silicon-gate CMOS technology for two-way asynchronous communication.
• High output drive capability designed to handle large bus capacitances effectively.
• Direction control input determines data flow direction between A and B ports.
• Active LOW enable input allows for easy cascading and bus isolation.

Buffers, Drivers, Receivers, Transceivers Applications

• Two-way asynchronous communication between data buses.
• Bus-oriented systems requiring tri-state buffering.
• Driving large bus capacitances in high-speed digital circuits.

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'SJ' against official onsemi documentation to confirm package type and tape/reel specifications. Ensure compatibility with existing system voltage requirements of 2V to 6V. Confirm that the device meets necessary environmental compliance standards such as RoHS if required for the target application.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal bidirectional transceiver with high drive strength is required for bus applications. It is suitable for designs needing CMOS speed with TTL-compatible drive levels. Consider the DIP-20 or SOIC-20 package availability associated with the 'SJ' suffix during layout planning.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74HC series of high-speed CMOS logic devices. It functions similarly to the MC74HC245A but may differ in packaging or manufacturing lot specifics indicated by the suffix. It serves as a standard interface component for expanding I/O capabilities in microcontroller and processor-based systems.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct substitutes include MC74HC245A and MM74HC245A from onsemi. Other manufacturers offer pin-compatible alternatives such as SN74HC245 from Texas Instruments. Verify electrical parameters and package dimensions before substitution.