SN75453BPS

Buffers, Drivers, Receivers, Transceivers Overview

The SN75453BPS is a dual peripheral driver from the SN7545xB family, designed for systems employing TTL logic. It features OR logic inputs with open-collector outputs capable of driving high currents up to 300 mA and voltages up to 30 V. The device operates within a supply voltage range of 4.75 V to 5.25 V and supports a commercial temperature range of 0°C to 70°C. Packaged in an 8-pin SO (SOIC) format, it provides circuit flexibility for varied applications while ensuring freedom from latch-up.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• OR logic input configuration with open-collector outputs
• High-current capability up to 300 mA per channel
• Diode-clamped inputs for simplified circuit design
• Designed to ensure freedom from latch-up

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed logic buffers
• Power drivers
• Lamp drivers
• LED drivers
• Line drivers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific package suffix PS corresponds to the 8-pin Small Outline (SO) variant when sourcing. Confirm RoHS compliance status and lead finish details via the manufacturer's current orderable addendum. Ensure the operating environment remains within the specified commercial temperature limits of 0°C to 70°C for reliable performance.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an OR logic function is required alongside high-voltage or high-current peripheral driving capabilities. It serves as a functional replacement for older SN75450 series devices. Consider the SN75451BPS if AND logic is needed instead, or the SN75452BPS/4BPS for NAND/NOR configurations within the same package.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the SNx545xB dual-peripheral driver family manufactured by Texas Instruments. The family includes variants with AND, NAND, OR, and NOR logic gates. The SN7545xB sub-series is characterized for commercial temperature ranges, distinguishing it from the military-grade SN5545xB counterparts which support extended thermal conditions.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN75451BPS

Buffers, Drivers, Receivers, Transceivers FAQ

What logic function does the SN75453B perform?

The SN75453B performs an OR logic function on its inputs before driving the output transistor.

How are the inputs protected?

The inputs are diode-clamped to simplify circuit design and protect against negative voltage spikes.