DS75451M Equivalent & Substitute Parts

Part Overview

The DS75451M is a 2/0 Driver IC manufactured by Texas Instruments in an 8-SOIC surface mount package. This component is classified as an interface driver designed for peripheral applications requiring open collector output capability. The DS75451M is currently listed as obsolete, making identification of compatible substitute parts essential for ongoing system support and new design implementations where legacy compatibility is required.

Substiute Parts

DS75451M

Texas InstrumentsIn Stock: 3669DS75451M Datasheet

Current PartRFQ

SN75451BD

Texas InstrumentsIn Stock: 2228SN75451BD Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DS75451M is determined by strict alignment of the following critical parameters:

• Package Compatibility: Both parts must use 8-SOIC (0.154", 3.90mm Width) surface mount packaging to ensure PCB footprint compatibility
• Supply Voltage Range: Identical 4.75V ~ 5.25V operating range required for direct voltage rail connection
• Operating Temperature Range: Both parts must support 0°C ~ 70°C to maintain functional equivalence across the specified thermal envelope
• Driver Configuration: 2-element driver architecture with matching output characteristics
• Mounting Type: Surface mount technology required for assembly process compatibility

The SN75451BD meets all substitution criteria as a direct functional equivalent to the DS75451M within these defined parameters.

Parameter Comparison

Engineering Selection Recommendations

The SN75451BD is the direct substitute for the obsolete DS75451M. Selection of the SN75451BD provides the following advantages:

• Active Product Status: The SN75451BD is currently in active production, ensuring long-term availability and supply chain stability compared to the obsolete DS75451M
• Regulatory Compliance Upgrade: The SN75451BD achieves ROHS3 compliance, representing an improvement over the RoHS non-compliant DS75451M for applications subject to environmental regulations
• Identical Electrical Parameters: All critical electrical specifications including supply voltage (4.75V ~ 5.25V), operating temperature range (0°C ~ 70°C), and output current (300mA) are preserved
• Package Compatibility: Direct 8-SOIC footprint match eliminates PCB redesign requirements
• Regulatory Alignment: Both parts maintain REACH Unaffected and EAR99 ECCN classifications

For legacy system maintenance where DS75451M components are no longer available, the SN75451BD provides functional and physical equivalence without circuit modification.

Frequently Asked Questions (FAQ)

Q: Can the SN75451BD be used as a direct replacement for the DS75451M without PCB modifications?

A: Yes. Both parts use identical 8-SOIC (0.154", 3.90mm Width) surface mount packaging. The footprint, pin count, and pin assignments are compatible, allowing direct substitution without PCB layout changes.

Q: Are the electrical specifications identical between DS75451M and SN75451BD?

A: The critical electrical parameters are identical: supply voltage range (4.75V ~ 5.25V), operating temperature range (0°C ~ 70°C), and output current capability (300mA). Both parts function as 2-element peripheral drivers with open collector outputs.

Q: What is the primary reason to substitute the DS75451M?

A: The DS75451M is obsolete and no longer manufactured. The SN75451BD is the active equivalent part from Texas Instruments, ensuring continued availability for new production and system maintenance.

Q: Does the SN75451BD offer any compliance advantages over the DS75451M?

A: Yes. The SN75451BD is ROHS3 compliant, whereas the DS75451M is RoHS non-compliant. This represents a regulatory improvement for applications subject to environmental compliance requirements.

Q: Are there any differences in moisture sensitivity or handling requirements?

A: No. Both parts have identical Moisture Sensitivity Level (MSL) ratings of 1 (Unlimited), indicating no special moisture control measures are required during storage or handling.

Q: What is the packaging format for the SN75451BD?

A: The SN75451BD is supplied in Tube packaging in 8-SOIC format, consistent with standard surface mount component distribution for this device category.