SN74HCT245PWG4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCT245PWG4 is an octal bus transceiver manufactured by Texas Instruments, featuring three-state outputs. It operates within a supply voltage range of 4.5 V to 5.5 V and supports bidirectional data transfer controlled by a direction input. The device utilizes HCT logic, ensuring TTL-compatible inputs with CMOS outputs. It is housed in a 20-pin TSSOP package and functions across an operating temperature range from -40 °C to +85 °C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides bidirectional octal data transmission between two buses
• Features three-state outputs for effective bus isolation
• Ensures compatibility with TTL logic levels at the input stage

Buffers, Drivers, Receivers, Transceivers Applications

• Asynchronous bidirectional communication on data buses
• Input/output expansion using serial or parallel interfaces
• Clock drivers and buffered oscillators

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'G4' indicates lead-free and RoHS compliance status according to the manufacturer's current documentation. Confirm the package type matches the required PCB footprint. Ensure 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 systems requiring TTL-compatible inputs with CMOS outputs. The HCT series is suitable for applications needing standard 5 V operation. Consider the TSSOP package constraints regarding thermal dissipation and board space. Verify that the propagation delay characteristics align with the system timing requirements.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SNx4HCT245 family of octal bus transceivers. It shares functional similarities with other variants in the HCT series but differs in packaging and compliance markings. The device serves as a standard interface solution for general-purpose digital logic applications requiring high noise immunity and reliable data transfer.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct substitutes include SN74HCT245PW and SN74HCT245PWR. Verify pinout compatibility and electrical specifications before substitution. Ensure the replacement part maintains the same logic family and output drive capabilities.