SN75183D Equivalent & Substitute Parts

Part Overview

The SN75183D is a 2/0 Driver interface IC manufactured by Texas Instruments in a 14-SOIC package. This component is classified as obsolete, indicating it is no longer in active production. The SN75183D operates within a supply voltage range of 4.75V to 5.25V and supports an operating temperature range of 0°C to 70°C. Due to its obsolete status, identifying functionally compatible substitute parts is essential for ongoing system support, design updates, and procurement continuity.

Substiute Parts

SN75183D

Texas InstrumentsIn Stock: 2261SN75183D Datasheet

Current PartRFQ

AM26C31IDR

Texas InstrumentsIn Stock: 20198AM26C31IDR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SN75183D is determined by the following critical parameters:

Functional Compatibility Criteria:

• Interface category and driver type classification
• Supply voltage range compatibility
• Operating temperature range coverage
• Surface mount packaging capability
• RoHS and environmental compliance status

The AM26C31IDR is identified as a manufacturer-recommended substitute. While the AM26C31IDR features an increased driver/receiver count (4/0 versus 2/0) and operates in a 16-SOIC package, it maintains functional compatibility through:

• Identical interface category classification
• Overlapping supply voltage range (4.5V ~ 5.5V encompasses the SN75183D requirement of 4.75V ~ 5.25V)
• Extended operating temperature range (-40°C ~ 85°C exceeds the SN75183D range of 0°C ~ 70°C)
• Surface mount technology with equivalent pin pitch (0.154", 3.90mm width)
• Matching RoHS3 compliance and MSL rating

Parameter Comparison

Engineering Selection Recommendations

The AM26C31IDR is the manufacturer-recommended substitute for the obsolete SN75183D. Selection of this substitute is supported by the following engineering factors:

Product Status: The AM26C31IDR maintains active production status, ensuring long-term availability and supply chain stability compared to the obsolete SN75183D.

Compliance Alignment: Both components maintain ROHS3 compliance and identical MSL ratings, ensuring compatibility with current manufacturing and environmental standards.

Electrical Parameters: The AM26C31IDR supply voltage range (4.5V ~ 5.5V) encompasses the SN75183D operating window (4.75V ~ 5.25V), and the extended temperature range (-40°C ~ 85°C) provides operational coverage beyond the original specification (0°C ~ 70°C).

Package Compatibility: Both components utilize SOIC surface mount packages with identical pin pitch (0.154", 3.90mm width), facilitating direct PCB layout compatibility with minimal redesign requirements.

Functional Enhancement: The increased driver/receiver count (4/0 versus 2/0) in the AM26C31IDR provides additional functionality without compromising backward compatibility for applications utilizing only the 2/0 driver configuration.

Frequently Asked Questions (FAQ)

Q: Can the AM26C31IDR directly replace the SN75183D without PCB modifications?

A: The AM26C31IDR uses a 16-SOIC package compared to the SN75183D 14-SOIC package. While both maintain the same pin pitch (0.154", 3.90mm width), the footprint differs due to the additional pins. PCB layout modifications are required to accommodate the 16-pin configuration.

Q: What are the key electrical differences between these components?

A: The AM26C31IDR operates across a wider supply voltage range (4.5V ~ 5.5V versus 4.75V ~ 5.25V) and supports an extended temperature range (-40°C ~ 85°C versus 0°C ~ 70°C). Both components maintain identical compliance certifications and moisture sensitivity ratings.

Q: Why does the AM26C31IDR have more drivers/receivers (4/0 versus 2/0)?

A: The AM26C31IDR is a higher-capacity interface driver designed for applications requiring additional channel capacity. Applications utilizing only 2/0 driver functionality can operate the AM26C31IDR with unused channels remaining inactive.

Q: Are there any compatibility concerns with the extended operating temperature range?

A: The extended temperature range of the AM26C31IDR (-40°C ~ 85°C) is a superset of the SN75183D specification (0°C ~ 70°C). This provides enhanced operational flexibility and is not a compatibility concern for applications within the original temperature window.

Q: What is the significance of the active product status for the AM26C31IDR?

A: Active product status indicates ongoing manufacturing and supplier support. This ensures component availability for current and future procurement cycles, addressing the supply chain risk associated with the obsolete SN75183D.