SN74BCT245N

Buffers, Drivers, Receivers, Transceivers Overview

The SN74BCT245N is an octal bus transceiver featuring three-state outputs, manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and supports a maximum propagation delay of 4.8 ns at 5 V. The device provides a low-level output current of 64 mA and a high-level output current of -15 mA. It utilizes CMOS input and output levels and is housed in a 20-pin SOIC package. The component functions as a non-inverting buffer and line driver with eight channels.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration for simultaneous multi-bit data transfer
• Three-state outputs for effective bus isolation
• High drive capability suitable for direct bus loading

Buffers, Drivers, Receivers, Transceivers Applications

• Memory block transfers
• Clock drivers
• Bus-oriented systems

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix against the manufacturer datasheet to confirm package type and temperature grade. Ensure the ordering part number matches the required industrial specifications. Cross-reference the manufacturer's latest documentation to validate RoHS compliance status and pinout configurations before finalizing procurement orders.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when interfacing between 5 V logic families requiring high current drive capabilities. The BCT series offers improved performance over standard HC devices while maintaining compatibility. Consider the 64 mA low-level sink current for driving heavy capacitive loads or multiple inputs on downstream buses without external buffering.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the SN74BCT family of bus transceivers designed for high-speed digital applications. It serves as a bridge between different logic domains, specifically optimizing signal integrity for 5 V systems. The octal architecture allows for efficient parallel data movement across system buses, reducing component count compared to single-bit alternatives.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Compatible substitutes include the SN74HC245N and SN74HCT245N, though electrical characteristics such as drive strength and speed differ. Verify pin compatibility and voltage tolerance levels before swapping components in existing designs.