SN75451BPSR Equivalent & Substitute Parts

Part Overview

The SN75451BPSR is a peripheral driver logic IC manufactured by Texas Instruments, designed for 5.25V operation in 8-SO surface mount packaging. This active product functions as a 2-element, 2-bit per element open collector output driver suitable for logic-level signal distribution applications. Substitute parts are necessary to address inventory availability, supply chain continuity, or specific procurement requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

SN75451BPSR

Texas InstrumentsIn Stock: 6691SN75451BPSR Datasheet

Current PartRFQ

SN75452BPSR

Texas InstrumentsIn Stock: 2394SN75452BPSR Datasheet

Parametric EquivalentRFQ

SN75453BPSR

Texas InstrumentsIn Stock: 2407SN75453BPSR Datasheet

Parametric EquivalentRFQ

SN75454BPSR

Texas InstrumentsIn Stock: 3036SN75454BPSR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SN75451BPSR are determined by strict equivalence across the following critical parameters:

• Logic Type: Peripheral Driver
• Number of Elements: 2
• Number of Bits per Element: 2
• Output Type: Open Collector
• Current - Output Low: 300mA
• Voltage - Supply: 4.75V ~ 5.25V
• Operating Temperature: 0°C ~ 70°C (TA)
• Package / Case: 8-SOIC (0.209", 5.30mm Width)
• Mounting Type: Surface Mount
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

All substitute parts listed below meet these exact specifications and are manufactured by Texas Instruments. Substitution is valid only when all parameters match the requirements of the application circuit.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts—SN75452BPSR, SN75453BPSR, and SN75454BPSR—are active products manufactured by Texas Instruments with identical electrical specifications and mechanical compatibility to the SN75451BPSR. Each part is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for industrial and commercial applications. Selection among these equivalents may be based on inventory availability and procurement lead times. All parts are supplied in Tape & Reel (TR) packaging with MSL rating of 1 (Unlimited), indicating no moisture sensitivity constraints during storage or handling.

Frequently Asked Questions (FAQ)

Q: Can SN75452BPSR, SN75453BPSR, and SN75454BPSR be used interchangeably with SN75451BPSR?

A: Yes. All four parts are parametric equivalents with identical electrical characteristics, output specifications, supply voltage range, operating temperature range, and 8-SOIC package dimensions. Direct substitution is valid for applications requiring a peripheral driver with 2 elements, 2 bits per element, and 300mA open collector output capability.

Q: Are there any differences in pin configuration between these parts?

A: No. All parts use the same 8-SO package with identical pin assignments and mechanical dimensions (0.209", 5.30mm Width).

Q: Do these substitute parts meet the same compliance standards?

A: Yes. All substitute parts carry ROHS3 compliance and REACH unaffected status, matching the regulatory profile of the SN75451BPSR.

Q: What is the significance of the MSL rating for these parts?

A: The MSL rating of 1 (Unlimited) indicates these parts have no moisture sensitivity limitations. They can be stored and handled without special moisture control measures, simplifying inventory management and procurement workflows.

Q: Are all substitute parts currently in active production?

A: Yes. All listed substitute parts maintain active product status with Texas Instruments, ensuring long-term availability and supply chain stability.