SN74HCT245NSR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCT245NSR is an octal bus transceiver manufactured by Texas Instruments, belonging to the HCT logic series. It features eight non-inverting channels with three-state outputs housed in a 20-pin SOIC package. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports a maximum propagation delay of 30 ns at 4.5 V. It accepts TTL input levels while providing CMOS output levels, ensuring compatibility with mixed-voltage systems. The component functions as a bidirectional data buffer with direction control via the DIR pin and output enablement controlled by the OE pin.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides bidirectional data transmission across eight independent channels
• Features three-state outputs for effective bus line management
• Ensures TTL-to-CMOS level compatibility for mixed-voltage interfacing

Buffers, Drivers, Receivers, Transceivers Applications

• Memory block data transfer applications
• Clock driver circuits
• Bidirectional bus architectures requiring signal buffering

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'NSR' corresponds to the tape-and-reel packaging format intended for surface-mount assembly. Confirm that the HCT logic family requirements align with the target system's voltage and speed specifications before finalizing procurement orders.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring robust interface between TTL-driven sources and CMOS-driven loads. The HCT series ensures full compatibility with standard 5V logic families while offering improved noise immunity compared to older LS variants.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SNx4HCT245 family of octal bus transceivers. It serves as a critical interface element in digital electronics, facilitating efficient data movement between microprocessors, memory devices, and peripheral interfaces within complex integrated circuit designs.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Consider the SN74HCT245N for through-hole DIP-20 applications or the SN74AHCT245 for lower power consumption requirements. Verify pinout compatibility and electrical characteristics before substituting with other manufacturers' equivalents.