SN75451BPS

Buffers, Drivers, Receivers, Transceivers Overview

The SN75451BPS is a dual peripheral driver designed for TTL logic systems, featuring open-collector outputs capable of switching up to 300 mA at voltages reaching 30 V. It operates within a supply voltage range of 4.75 V to 5.25 V and includes diode-clamped inputs to simplify circuit design while preventing latch-up. The device utilizes an 8-pin SOIC surface-mount package with a maximum power dissipation of 1 W.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• High-current output capability rated for 300 mA switching
• Diode-clamped inputs compatible with TTL logic levels
• Latch-up protection ensures reliability under high-voltage conditions

Buffers, Drivers, Receivers, Transceivers Applications

• Relay drivers in industrial control systems
• High-speed logic buffering for computer peripherals
• MOSFET gate driving applications

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'PS' against official Texas Instruments documentation to confirm the exact package dimensions and tape-and-reel specifications. Ensure the component matches the required operating temperature range of 0°C to 70°C for commercial grade applications before integration into final designs.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when interfacing low-power TTL logic with high-current or high-voltage loads requiring open-collector switching. It serves as a functional replacement for older SN75450 series devices, offering identical speed characteristics with enhanced latch-up immunity and simplified input structures for modern PCB layouts.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SNx545xB family of dual peripheral drivers, which are internally structured as AND gates connected to NPN output transistors. The SN75451 variant specifically provides non-inverting functionality relative to the internal logic gate structure, distinguishing it from NAND, OR, or NOR variants within the same series.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN75451BP (PDIP-8)

Buffers, Drivers, Receivers, Transceivers FAQ

Does the SN75451BPS include internal pull-up resistors?

No, the device features open-collector outputs that require external pull-up components to define the high logic level.

What is the maximum output voltage rating?

The outputs can handle voltages up to 30 V without experiencing latch-up, even after conducting 300 mA.