SN74HCT245ANSR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCT245ANSR is an octal bus transceiver manufactured by Texas Instruments. It features three-state outputs and operates within a supply voltage range of 4.5 V to 5.5 V. The device utilizes HCT CMOS technology, ensuring TTL-compatible inputs for robust noise immunity. Designed for bidirectional data communication on eight-bit buses, it includes direction control and output enable functions. The component is housed in a 20-pin Small Outline Package (SOIC) with a standard width of 0.3 inches.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides bidirectional data transmission across an eight-bit bus architecture
• Features three-state outputs to facilitate direct system bus connections without additional drivers
• Incorporates TTL-compatible input thresholds for reliable interfacing with legacy logic systems

Buffers, Drivers, Receivers, Transceivers Applications

• Bidirectional data communication on microprocessor-based systems
• Memory interface circuits requiring high-speed data transfer
• Industrial control systems utilizing standard logic families

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'ANSR' against the manufacturer's current datasheet to confirm package dimensions and tape-and-reel specifications. Ensure compatibility with existing PCB footprints for the 20-SOIC package. Confirm that the operating temperature range meets the environmental requirements of the target application before finalizing procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when interfacing between systems requiring TTL-level input signals and CMOS-level outputs. The HCT series offers lower power consumption compared to older LS variants while maintaining compatible logic levels. Consider the propagation delay characteristics relative to the system clock speed to ensure signal integrity during high-frequency operations.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the widely adopted 74HCT logic family, designed for backward compatibility with 74LS devices. The SN74HC245N variant serves as a related product within the broader HC/HCT ecosystem, offering similar functionality with different electrical characteristics. This specific model addresses applications needing robust bus driving capabilities in standard industrial environments.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The SN74HCT245ANSRE4 is a verified lead-free replacement variant from the same manufacturer. Verify pinout compatibility and electrical parameters before substituting other generic octal bus transceivers.