SN74HCT245APWR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCT245APWR is an octal bus transceiver manufactured by Texas Instruments, featuring three-state outputs and designed for high-speed digital applications. It operates within a supply voltage range of 4.5 V to 5.5 V, ensuring compatibility with standard CMOS logic families. The device provides bidirectional data transmission across eight channels, controlled by direction and output enable signals. Packaged in a TSSOP-20 surface-mount format, it supports industrial temperature ranges from -40°C to +85°C. Key electrical characteristics include low static power consumption and defined propagation delays suitable for general-purpose bus interfacing.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides bidirectional octal data transfer between two buses with independent control of direction and output enable functions.
• Features three-state outputs that effectively disconnect the device from the system bus when disabled.
• Designed for 5-V CMOS operation with input levels compatible with TTL standards.

Buffers, Drivers, Receivers, Transceivers Applications

• Mobile applications requiring low-power operation and high-density packaging.
• Clock drivers and buffer circuits in digital systems.
• Bus-oriented architectures connecting microprocessors to memory or peripheral devices.

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'A' against the manufacturer's current datasheet to confirm pinout and electrical specifications match your design requirements. Ensure the TSSOP-20 package dimensions align with your PCB footprint. Confirm RoHS compliance status through official documentation before finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when bidirectional octal data transfer is required at 5-V logic levels. It is suitable for designs needing TTL-compatible inputs with CMOS outputs. Consider the TSSOP-20 package for space-constrained surface-mount applications. Evaluate propagation delay and drive current capabilities against system timing constraints.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SNx4HCT245 family of octal bus transceivers with three-state outputs. It is part of Texas Instruments' broader portfolio of logic integrated circuits designed for high-speed digital communication. The HCT series specifically targets 5-V systems while maintaining compatibility with older TTL logic standards.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HCT245PWR: Standard version without the 'A' suffix; verify if pinout or specs differ. SN74HC245PWR: HC series with different input thresholds and speed characteristics. SN74LVC245APWR: Lower voltage operation (1.65V–3.6V) not directly compatible with 5V systems.