SN74HCT245PWRG4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCT245PWRG4 is an octal bus transceiver from 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 transmission across eight channels. The device utilizes HCT logic, ensuring TTL-compatible inputs with CMOS outputs. Key electrical specifications include a maximum propagation delay of 30 ns at 4.5 V with a 150 pF load, low-level output current of 6 mA, and high-level output current of -6 mA. It functions reliably in temperatures from -40 °C to +85 °C and is housed in a 20-pin TSSOP package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides bidirectional data transfer capability for eight-bit wide buses
• Features TTL-compatible input levels for direct interface with TTL-driven systems
• Includes three-state outputs to facilitate bus line management and isolation

Buffers, Drivers, Receivers, Transceivers Applications

• Mobile applications requiring robust data bus interfacing
• Clock driving and buffer implementations in digital circuits
• High-speed data bus architectures utilizing mixed logic families

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the G4 suffix indicates lead-free and RoHS compliance status as per manufacturer documentation. Confirm the TSSOP-20 package dimensions match your PCB footprint requirements. Ensure operating conditions remain within the specified -40 °C to +85 °C temperature range for reliable performance. Cross-reference the datasheet revision date to ensure alignment with current design specifications.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when interfacing between TTL and CMOS logic domains is required. The HCT series ensures compatibility with standard 5V TTL inputs while providing CMOS output characteristics. Consider the 30 ns propagation delay for timing constraints in your specific application. Verify that the 6 mA drive current meets the load requirements of the connected bus lines.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SNx4HCT245 family of octal bus transceivers. It shares functional similarities with other variants like SN74HCT245PW but includes specific manufacturing attributes denoted by the suffix. The device is designed for general-purpose bidirectional data transfer in 5V systems.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HCT245PW is a compatible alternative within the same family offering identical logical functionality and pinout configuration.