SN74ABT853NT Equivalent & Substitute Parts

Part Overview

The SN74ABT853NT is a transceiver integrated circuit manufactured by Texas Instruments, classified as a Logic component in the 74ABT series. This device functions as a non-inverting transceiver with 1 element and 8 bits per element, featuring push-pull output configuration. The SN74ABT853NT is currently listed with Obsolete product status, which necessitates identification of functionally equivalent alternatives for ongoing design requirements and production continuity.

Substiute Parts

SN74ABT853NT

Texas InstrumentsIn Stock: 877SN74ABT853NT Datasheet

Current PartRFQ

SN74ABT853DWR

Texas InstrumentsIn Stock: 1180SN74ABT853DWR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SN74ABT853NT is determined by strict equivalence across the following critical parameters:

• Logic Type: Transceiver, Non-Inverting
• Number of Elements: 1
• Number of Bits per Element: 8
• Output Type: Push-Pull
• Current - Output High, Low: 32mA, 64mA
• Voltage - Supply: 4.5V ~ 5.5V
• Operating Temperature: -40°C ~ 85°C (TA)
• Series: 74ABT
• Base Product Number: 74ABT853

The SN74ABT853DWR qualifies as a direct functional substitute, maintaining identical electrical specifications and logic characteristics. The primary distinction lies in packaging format and mounting technology: the substitute employs Surface Mount (24-SOIC) configuration versus the original Through Hole (24-DIP) mounting.

Parameter Comparison

Engineering Selection Recommendations

The SN74ABT853DWR is the manufacturer-recommended substitute for the obsolete SN74ABT853NT. Both components maintain identical electrical performance specifications, including output current ratings, supply voltage range, and operating temperature limits. Both parts comply with ROHS3 standards and carry unlimited moisture sensitivity classification.

Selection between these parts depends on circuit board design requirements. The SN74ABT853NT utilizes through-hole mounting suitable for breadboard prototyping and legacy PCB designs. The SN74ABT853DWR employs surface-mount technology appropriate for modern production assemblies and high-density layouts. The Active product status of the SN74ABT853DWR ensures ongoing availability and manufacturing support, whereas the Obsolete status of the SN74ABT853NT indicates limited future supply.

Frequently Asked Questions (FAQ)

Q: Can the SN74ABT853DWR directly replace the SN74ABT853NT in existing designs?

A: Electrical substitution is complete. The SN74ABT853DWR provides identical logic function, output current capability, and voltage specifications. Physical substitution requires PCB redesign to accommodate the transition from 24-DIP through-hole to 24-SOIC surface-mount packaging.

Q: What are the key differences between these parts?

A: The primary differences are mounting technology and package format. The SN74ABT853NT uses through-hole mounting (24-DIP), while the SN74ABT853DWR uses surface-mount technology (24-SOIC). All electrical parameters remain identical.

Q: Why is the SN74ABT853NT listed as Obsolete?

A: Obsolete status indicates the manufacturer has discontinued production. The SN74ABT853DWR represents the current-generation equivalent with Active product status, ensuring continued availability and manufacturing support.

Q: Are there compliance differences between these parts?

A: Both parts maintain identical RoHS3 compliance and unlimited moisture sensitivity classification. No compliance differentiation exists between the two components.

Q: What packaging considerations apply to substitution?

A: Through-hole components (24-DIP) require different PCB footprints and assembly processes than surface-mount components (24-SOIC). Design and manufacturing processes must be updated accordingly for successful substitution.