SN74S1053DW Equivalent & Substitute Parts

Part Overview

The SN74S1053DW is a 16-bit Schottky Barrier Diode Bus-Termination Array IC manufactured by Texas Instruments in a 20-SOIC surface mount package. This component is classified as Last Time Buy, indicating discontinued production with limited availability. The identification of equivalent and substitute parts is necessary to ensure design continuity and procurement flexibility for applications requiring this bus-termination functionality.

Substiute Parts

SN74S1053DW

Texas InstrumentsIn Stock: 2258SN74S1053DW Datasheet

Current PartRFQ

SN74S1053DWR

Texas InstrumentsIn Stock: 2439SN74S1053DWR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SN74S1053DW is determined by the following critical parameters:

• Base Product Number: 74S1053 (identical logic function and pin configuration)
• Logic Type: Schottky Barrier Diode Bus-Termination Array (functional equivalence)
• Number of Bits: 16 (electrical specification match)
• Package / Case: 20-SOIC (0.295", 7.50mm Width) (mechanical and thermal compatibility)
• Mounting Type: Surface Mount (assembly process compatibility)
• Operating Temperature Range: 0°C ~ 70°C (thermal operating envelope)
• RoHS Status: ROHS3 Compliant (regulatory compliance alignment)
• Moisture Sensitivity Level: 1 (Unlimited) (handling and storage compatibility)

The SN74S1053DWR qualifies as a direct substitute based on matching all critical parameters. The primary distinction is packaging format (Tube versus Cut Tape & Digi-Reel®) and product status (Last Time Buy versus Active).

Parameter Comparison

Engineering Selection Recommendations

The SN74S1053DWR is the direct substitute for the SN74S1053DW. Both parts share identical electrical specifications, pin configurations, and thermal operating parameters. The SN74S1053DWR is preferred for new procurement due to its Active product status, ensuring long-term availability and supply chain stability. The SN74S1053DW, classified as Last Time Buy, has limited inventory and represents end-of-life production.

Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for industrial and commercial applications. The difference in packaging format (Tube versus Cut Tape & Digi-Reel®) affects only procurement and assembly logistics, not electrical or mechanical performance.

Frequently Asked Questions (FAQ)

Q: Can the SN74S1053DWR directly replace the SN74S1053DW in existing designs?

A: Yes. Both parts are electrically and mechanically identical, sharing the same base product number (74S1053), pin configuration, package dimensions (20-SOIC), and operating specifications. No circuit modifications are required.

Q: What is the difference between Tube and Cut Tape & Digi-Reel® packaging?

A: Tube packaging is used for lower-volume orders and manual assembly processes. Cut Tape & Digi-Reel® packaging is optimized for automated pick-and-place assembly and higher-volume production. Both formats contain identical components with no functional differences.

Q: Why is the SN74S1053DW classified as Last Time Buy?

A: Last Time Buy status indicates that Texas Instruments has discontinued production of this part number. Existing inventory is available for a limited time. The SN74S1053DWR (Active status) is the recommended alternative for ongoing production requirements.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry identical MSL ratings (1 - Unlimited). They meet the same regulatory and environmental standards.

Q: What is the operating temperature range for both parts?

A: Both the SN74S1053DW and SN74S1053DWR operate within the range of 0°C to 70°C, suitable for commercial and industrial applications.