MC74VHCT245ADTG

Buffers, Drivers, Receivers, Transceivers Overview

The MC74VHCT245ADTG is an octal bus transceiver fabricated using advanced high-speed CMOS technology. It operates within a 4.5 V to 5.5 V supply voltage range and features TTL-compatible inputs with a typical propagation delay of 4.9 ns at 5.0 V. The device provides balanced propagation delays, low power dissipation (4 μA max), and power-down protection on inputs and outputs. It supports bidirectional data transfer between two buses via direction control and includes three-state outputs for effective bus isolation.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Bidirectional data transmission capability controlled by a dedicated direction pin
• TTL-compatible input logic levels ensuring interoperability with standard logic families
• Power-down protection on both inputs and outputs to prevent damage during system shutdown
• Three-state outputs enabling electrical isolation when the device is disabled

Buffers, Drivers, Receivers, Transceivers Applications

• Data bus communication in computing systems
• Memory expansion modules requiring bidirectional data transfer
• Industrial control systems utilizing 5 V logic interfaces
• Consumer electronics with mixed-signal bus architectures

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'DTG' against the manufacturer's current datasheet to confirm package type and RoHS compliance status. Confirm availability as distribution channels may list obsolete or end-of-life variants. Ensure the ordering part number matches the required tape-and-reel or tube packaging configuration specified in the official documentation.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when interfacing 5 V CMOS or TTL logic devices requiring bidirectional data flow. The VHCT series ensures compatibility with TTL input thresholds while maintaining CMOS output drive characteristics. Consider the 16-pin SOIC package dimensions for PCB layout constraints. Verify that the operating temperature range meets the environmental requirements of the target application.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the MC74VHCT245A family of octal bus transceivers from onsemi. The VHCT series combines the speed of bipolar Schottky TTL with the low power consumption of CMOS technology. The 'DTG' suffix typically denotes a specific tape-and-reel packaging variant compliant with RoHS standards, designed for automated surface-mount assembly processes.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Compatible substitutes include MC74VHCT245ADTR2 and MC74VHCT245ADWG. Verify pinout compatibility and electrical specifications before substitution. Ensure the replacement part maintains the same 4.5 V to 5.5 V operating voltage range and TTL-compatible input thresholds.