SN75451BPSR

Buffers, Drivers, Receivers, Transceivers Overview

The SN75451BPSR is a dual peripheral driver manufactured by Texas Instruments, designed for high-current and high-speed switching applications within TTL logic systems. It operates on a standard supply voltage range of 4.75 V to 5.25 V. The device features two independent drivers with open-collector outputs capable of handling up to 300 mA per output. It is housed in an 8-SOIC surface-mount package and supports an operating temperature range from 0°C to +70°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Dual peripheral drivers designed for high-current and high-speed switching
• Open-collector outputs rated for up to 300 mA load current
• Diode-clamped inputs compatible with TTL logic levels
• Latch-up free design ensuring reliable operation under high voltage conditions

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed logic buffering
• Power management circuits
• Relay and lamp driving
• Computer peripheral interface drivers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'PSR' corresponds to the 8-SOIC tape-and-reel packaging configuration. Confirm RoHS compliance status as indicated by manufacturer documentation. Ensure the operating environment remains within the specified commercial temperature limits of 0°C to +70°C. Validate that the 4.75 V to 5.25 V supply voltage aligns with system power rails before integration.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when interfacing TTL logic with high-current loads requiring open-collector switching capabilities. It serves as a functional replacement for older SN75450 series devices. Consider the SOIC-8 package constraints for PCB layout. Ensure thermal dissipation requirements are met given the 1 W maximum power dissipation rating under typical operating conditions.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SNx545xB family of dual peripheral drivers from Texas Instruments. It is functionally interchangeable with previous SN75450 and SN75450A generations. The device utilizes a bipolar process technology optimized for robust performance in industrial and commercial environments. It is distinct from transceiver or buffer families, focusing specifically on high-drive peripheral control.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

• SN75451BP
• SN75451BDR