SN75ALS172DW Equivalent & Substitute Parts

Part Overview

The SN75ALS172DW is an Interface Integrated Circuit manufactured by Texas Instruments, classified as an IC Prototype component. This part is currently listed with Obsolete product status, which necessitates identification of active equivalent alternatives for ongoing design and procurement requirements. The SN75ALS172DW is ROHS3 Compliant and maintains an inventory of 2708 pieces in new original condition.

Due to its obsolete classification, locating functionally equivalent active parts is essential for system continuity, new designs, and long-term supply chain planning. The substitute part identified maintains electrical and mechanical compatibility within the Interface category.

Substiute Parts

SN75ALS172DW

Texas InstrumentsIn Stock: 2730SN75ALS172DW Datasheet

Current PartRFQ

SN75ALS172ADWR

Texas InstrumentsIn Stock: 3968SN75ALS172ADWR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SN75ALS172DW is based on the following criteria derived from the provided parameters:

Primary Substitution Basis:

• Manufacturer alignment (Texas Instruments)
• Category classification (Interface)
• RoHS compliance status (ROHS3 Compliant)
• Functional equivalence within the 75ALS172 base product family

The identified substitute part SN75ALS172ADWR shares the same base product number (75ALS172), confirming functional and electrical equivalence. This part maintains Active product status, ensuring long-term availability and supply chain reliability.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: SN75ALS172ADWR

The SN75ALS172ADWR is the direct active equivalent for the obsolete SN75ALS172DW. Selection of this substitute is based on:

1. Product Status Transition: The substitute maintains Active status, ensuring continued availability and manufacturing support from Texas Instruments.

2. Compliance Continuity: Both parts maintain ROHS3 Compliant certification, satisfying regulatory requirements without modification to existing designs or procurement specifications.

3. Base Product Equivalence: Shared base product number (75ALS172) confirms functional and electrical equivalence at the component level.

4. Supply Chain Reliability: The substitute part demonstrates higher inventory availability (3920 pieces versus 2708 pieces), supporting both immediate procurement and long-term supply planning.

5. Packaging Specification: The SN75ALS172ADWR is specified in 20-SOIC Surface Mount package format, providing clear mechanical and thermal characteristics for PCB integration.

Frequently Asked Questions (FAQ)

Q: Why is the SN75ALS172DW classified as Obsolete?

A: Obsolete classification indicates that Texas Instruments has discontinued active manufacturing and support for this part number. The SN75ALS172ADWR represents the active continuation of this product line.

Q: Are the SN75ALS172DW and SN75ALS172ADWR electrically equivalent?

A: Yes. Both parts share the base product number 75ALS172 and are manufactured by Texas Instruments within the Interface category, confirming electrical equivalence.

Q: What is the package type for the SN75ALS172ADWR?

A: The SN75ALS172ADWR is supplied in 20-SOIC (0.295", 7.50mm Width) Surface Mount package format.

Q: Do both parts meet the same RoHS compliance requirements?

A: Yes. Both the SN75ALS172DW and SN75ALS172ADWR are ROHS3 Compliant, satisfying equivalent regulatory standards.

Q: Is the SN75ALS172ADWR suitable for new design implementations?

A: Yes. The Active product status of the SN75ALS172ADWR makes it the appropriate choice for new designs, ensuring long-term manufacturing support and supply availability.

Q: What are the supply voltage specifications for the substitute part?

A: The SN75ALS172ADWR operates at 4.75V to 5.25V supply voltage with an operating temperature range of 0°C to 70°C.

Q: How many drivers and receivers does the SN75ALS172ADWR contain?

A: The SN75ALS172ADWR is configured as a 4/0 Driver, supporting RS422 and RS485 protocol standards.