SN74HCT245DWRG4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCT245DWRG4 is an octal bus transceiver manufactured by Texas Instruments, featuring three-state outputs and direction control. It operates within a supply voltage range of 4.5 V to 5.5 V and supports bidirectional data transfer across eight channels. The device utilizes HCT logic series technology, ensuring TTL-compatible inputs with CMOS outputs for robust signal integrity in mixed-logic systems. Designed for surface-mount applications, it is housed in a 20-pin SOIC package and functions reliably within an industrial temperature range of -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides bidirectional octal data transmission with independent direction control capability
• Features three-state outputs that isolate the bus when disabled to prevent signal contention
• Ensures compatibility between TTL input levels and CMOS output levels through HCT logic architecture

Buffers, Drivers, Receivers, Transceivers Applications

• Memory block data transfer in embedded systems
• I/O port expansion for microcontroller interfaces
• Bidirectional bus driving in communication modules

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the presence of the G4 suffix to confirm compliance with RoHS directives and lead-free manufacturing standards. Ensure the ordering part number matches the specific package variant required for your PCB footprint. Confirm that the component meets the necessary environmental specifications for your intended operating conditions before finalizing procurement orders.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when interfacing between systems requiring TTL-compatible inputs and high-drive CMOS outputs. The HCT series offers superior noise immunity compared to standard HC logic at 5V operation. Consider the 20-pin SOIC package dimensions for thermal management and board space constraints during the design phase.

Buffers, Drivers, Receivers, Transceivers Part Context

This component belongs to the SN74HCT245 family of octal bus transceivers from Texas Instruments. It serves as a standard interface solution for digital logic circuits requiring bidirectional data flow. The device is widely used in general-purpose digital systems where reliable data routing between different logic domains is essential.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HCT245DWRE4 is a verified equivalent part number offering identical electrical characteristics and pinout configuration.