SN74HC245APWR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HC245APWR is an octal bus transceiver manufactured by Texas Instruments, designed for bidirectional data communication on multiple buses. It features three-state outputs and operates within a supply voltage range of 2 V to 6 V. The device utilizes CMOS input and output levels and provides a propagation delay of 22 ns. It supports low-level output currents of 6 mA and high-level output currents of -6 mA. The component functions in non-inverting mode and is housed in a TSSOP-20 package. It is rated for operation between -40°C and +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bus transceiver architecture supporting bidirectional data transfer across eight channels simultaneously.
• Three-state outputs allow connection to system buses without electrical interference when disabled.
• CMOS-compatible logic levels ensure compatibility with standard digital control interfaces.

Buffers, Drivers, Receivers, Transceivers Applications

• Bidirectional data communication on multiple buses
• Memory and memory interface applications
• Driving bus-oriented loads

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'A' against the official Texas Instruments datasheet to confirm if it denotes a specific temperature grade or manufacturing revision distinct from the standard SN74HC245PWR. Ensure the TSSOP-20 package dimensions match your PCB footprint requirements. Confirm RoHS compliance status through the manufacturer's current product information page before finalizing procurement specifications.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal wide-bus interface is required for bidirectional data flow. The HC series offers standard switching speeds suitable for general-purpose digital systems. Consider the TSSOP-20 package for surface-mount assembly constraints. Verify that the 2 V to 6 V operating voltage range aligns with the target system power supply rails.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74HC245 family of octal bus transceivers. It shares functional characteristics with variants like SN74HC245PWR and SN74HC245PWRE4, differing primarily in packaging or environmental certifications. The family is widely used in embedded systems requiring robust parallel data transmission capabilities.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HC245PWR

Buffers, Drivers, Receivers, Transceivers FAQ

What is the direction control mechanism for the SN74HC245APWR?

The device uses a single DIR pin to control the direction of data flow between port A and port B, enabling bidirectional communication.

Does the SN74HC245APWR support active-low enable functionality?

Yes, the device includes an active-low OE (Output Enable) pin that disables the outputs when asserted, placing them in a high-impedance state.