SN75ALS172DWR Equivalent & Substitute Parts

Part Overview

The SN75ALS172DWR is an Interface Integrated Circuit (IC) manufactured by Texas Instruments, classified as an IC Prototype in the 20-SOIC package. This component is designated as Obsolete, indicating it is no longer in active production. The SN75ALS172DWR has 2238 pieces available as new original stock.

Due to its obsolete status, identifying equivalent and substitute parts is essential for design continuity, system maintenance, and procurement planning. Substitute parts must maintain functional compatibility within the Interface category while meeting the same electrical and mechanical specifications.

Substiute Parts

SN75ALS172DWR

Texas InstrumentsIn Stock: 2314SN75ALS172DWR Datasheet

Current PartRFQ

SN75ALS172ADWR

Texas InstrumentsIn Stock: 3968SN75ALS172ADWR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part SN75ALS172ADWR is identified as the manufacturer-recommended equivalent for the SN75ALS172DWR. The substitution is based on the following criteria:

Substitution Logic:

• Manufacturer Consistency: Both parts are manufactured by Texas Instruments, ensuring design heritage and technical support continuity
• Category Alignment: Both components belong to the Interface category, maintaining functional classification
• Package Compatibility: Both utilize the 20-SOIC (0.295", 7.50mm Width) package, ensuring mechanical and electrical pin compatibility
• RoHS Compliance: Both parts meet ROHS3 Compliant standards, satisfying environmental and regulatory requirements
• Base Product Number: Both share the base product number 75ALS172, indicating they are part of the same product family with compatible specifications

The SN75ALS172ADWR is classified as Active product status, making it the recommended path forward for new designs and ongoing procurement.

Parameter Comparison

Engineering Selection Recommendations

For Obsolete Part Replacement:

The SN75ALS172DWR should be replaced with SN75ALS172ADWR in all new designs and procurement activities. This substitution is supported by:

• Active Product Status: SN75ALS172ADWR maintains active production status with Texas Instruments, ensuring long-term availability and technical support
• Regulatory Compliance: Both parts maintain ROHS3 Compliant certification, satisfying current environmental regulations
• Package Compatibility: Identical 20-SOIC package specifications ensure direct mechanical and electrical substitution without PCB redesign
• Manufacturer Support: Texas Instruments provides full technical documentation and support for the active part number

Existing designs using SN75ALS172DWR can transition to SN75ALS172ADWR without modification to PCB layouts or electrical schematics, provided that the functional specifications of the active part meet application requirements.

Frequently Asked Questions (FAQ)

Q: Can SN75ALS172ADWR be used as a direct replacement for SN75ALS172DWR?

A: Yes. Both parts share the same 20-SOIC package, base product number (75ALS172), and manufacturer (Texas Instruments). The SN75ALS172ADWR is the manufacturer-recommended substitute and requires no PCB modifications for substitution.

Q: What is the difference between SN75ALS172DWR and SN75ALS172ADWR?

A: The primary difference is product status. SN75ALS172DWR is Obsolete, while SN75ALS172ADWR is Active. Both maintain ROHS3 compliance and identical package specifications. The "A" designation in SN75ALS172ADWR indicates the active production variant.

Q: Are there any electrical parameter differences between these parts?

A: Based on provided specifications, both parts are classified as Interface ICs within the same product family. Detailed electrical parameters (voltage supply, operating temperature, data rate) are specified for SN75ALS172ADWR. Verification of functional compatibility with application requirements is necessary before final selection.

Q: What is the package type for both parts?

A: Both SN75ALS172DWR and SN75ALS172ADWR use the 20-SOIC (Small Outline Integrated Circuit) package with 0.295" width and 7.50mm width specification. This is a surface mount package type.

Q: Is SN75ALS172ADWR RoHS compliant?

A: Yes. SN75ALS172ADWR is ROHS3 Compliant, meeting current environmental and hazardous substance restrictions. The obsolete SN75ALS172DWR also maintains ROHS3 Compliant status.

Q: What inventory status should I expect for SN75ALS172ADWR?

A: SN75ALS172ADWR has 3920 pieces available as new original stock, providing adequate supply for procurement planning. As an active product, ongoing availability is expected from Texas Instruments.