SN74AHC245PWR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74AHC245PWR is an octal bus transceiver from the Texas Instruments AHC logic series, housed in a TSSOP-20 surface-mount package. It features tri-state outputs and non-inverting polarity with eight independent channels. The device operates within a supply voltage range of 2 V to 5.5 V and supports CMOS input and output levels. Key electrical parameters include a propagation delay of 8.5 ns, low-level output current of 8 mA, and high-level output current of -8 mA. It functions across an industrial temperature range from -40°C to +125°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bidirectional data transfer capability via eight independent channels
• Tri-state outputs allowing effective bus line isolation when disabled
• CMOS compatible input and output voltage levels for broad system integration

Buffers, Drivers, Receivers, Transceivers Applications

• Mobile applications requiring low power consumption and high speed
• Clock driving and buffer applications
• High-density memory modules

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific package variant matches the required footprint, as the SN74AHC245 family includes SOIC, SSOP, TVSOP, and TSSOP options. Confirm that the operating temperature range meets the environmental requirements of the target application. Ensure compatibility with the system's supply voltage levels before finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for designs requiring robust signal integrity over long bus lines. The AHC series offers faster switching speeds compared to standard HC logic while maintaining lower power consumption. Consider the thermal performance of the TSSOP-20 package if multiple devices are placed in close proximity on the PCB layout.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74AHC245 family of octal bus transceivers. It serves as a critical interface component for managing data flow between microprocessors and peripheral devices. The AHC technology provides improved performance characteristics suitable for modern digital systems requiring efficient data routing.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74AHC245DWRE4 (SOIC-20 package), SN74AHC245DGVR (TVSOP-20 package), SN74AHC245DBR (SSOP-20 package). Verify pinout compatibility and package dimensions before substitution.