SN75183N Equivalent & Substitute Parts

Part Overview

The SN75183N is a 2/0 Driver interface IC manufactured by Texas Instruments in a 14-PDIP through-hole package. This component is classified as obsolete, indicating it has been discontinued and is no longer in active production. The SN75183N operates within a supply voltage range of 4.75V to 5.25V and is rated for operating temperatures from 0°C to 70°C. Due to its obsolete status, identifying functionally compatible substitute parts is essential for system redesign, legacy product support, and procurement continuity.

Substiute Parts

SN75183N

Texas InstrumentsIn Stock: 2341SN75183N Datasheet

Current PartRFQ

AM26C31IDR

Texas InstrumentsIn Stock: 20198AM26C31IDR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SN75183N is determined by the following critical parameters:

• Driver/Receiver Configuration: The SN75183N provides 2 drivers and 0 receivers. Substitute parts must maintain equivalent or enhanced driver/receiver capability to ensure functional compatibility.
• Supply Voltage Range: The SN75183N operates at 4.75V to 5.25V. Substitute parts must support this voltage range or a broader range that encompasses it.
• Operating Temperature Range: The SN75183N is rated for 0°C to 70°C. Substitute parts with extended temperature ranges remain compatible for standard operating conditions.
• Package Type: The SN75183N uses a through-hole 14-DIP package. Substitutes may use alternative package types (such as surface-mount SOIC) if the application design permits PCB layout modification.
• Compliance Standards: Both the main part and substitutes must maintain ROHS3 compliance and REACH unaffected status for regulatory alignment.

The AM26C31IDR is identified as a manufacturer-recommended substitute, offering enhanced specifications including 4/0 driver/receiver configuration, extended voltage range (4.5V to 5.5V), and broader operating temperature range (-40°C to 85°C).

Parameter Comparison

Engineering Selection Recommendations

The AM26C31IDR is the manufacturer-recommended substitute for the SN75183N. Both components are ROHS3 compliant and REACH unaffected, ensuring regulatory alignment for new designs and legacy product updates.

The AM26C31IDR provides enhanced specifications: a broader supply voltage range (4.5V to 5.5V versus 4.75V to 5.25V) and extended operating temperature range (-40°C to 85°C versus 0°C to 70°C). The AM26C31IDR also offers increased driver/receiver capability (4/0 versus 2/0), providing functional headroom for interface applications.

The primary design consideration is the transition from through-hole 14-DIP packaging to surface-mount 16-SOIC packaging. This change requires PCB layout redesign and assembly process modification. For applications where through-hole mounting is mandatory, alternative substitutes maintaining DIP packaging should be evaluated.

The AM26C31IDR is currently in active production with substantial inventory availability (20,100 pieces), ensuring long-term procurement reliability compared to the obsolete SN75183N.

Frequently Asked Questions (FAQ)

Q: Can the AM26C31IDR directly replace the SN75183N without circuit modification?

A: The AM26C31IDR is functionally compatible with the SN75183N from an electrical standpoint, as it supports the required supply voltage range and operating temperature conditions. However, the package transition from 14-DIP (through-hole) to 16-SOIC (surface-mount) requires PCB layout redesign and assembly process changes. Pin-to-pin compatibility must be verified against the specific application schematic.

Q: What is the significance of the 4/0 driver/receiver configuration in the AM26C31IDR compared to the 2/0 configuration in the SN75183N?

A: The AM26C31IDR provides 4 drivers and 0 receivers, compared to the SN75183N's 2 drivers and 0 receivers. This enhanced capability allows the AM26C31IDR to support more interface channels or higher-complexity driver applications. For designs requiring only 2 drivers, the additional channels remain available for future expansion or can be left unused.

Q: Are there compliance or regulatory differences between the SN75183N and AM26C31IDR?

A: Both components maintain ROHS3 compliance and REACH unaffected status. No regulatory barriers exist for substitution from a compliance perspective. Both components share the same ECCN (EAR99) and HTSUS classification (8542.39.0001).

Q: What is the impact of the extended operating temperature range in the AM26C31IDR?

A: The AM26C31IDR operates from -40°C to 85°C, compared to the SN75183N's 0°C to 70°C range. This extended range provides greater thermal margin and enables use in industrial and automotive environments with wider temperature extremes. For standard commercial applications operating within 0°C to 70°C, both components perform equivalently within this overlap range.

Q: Is the AM26C31IDR the only available substitute for the SN75183N?

A: The AM26C31IDR is the manufacturer-recommended substitute provided by Texas Instruments. Additional substitutes may exist from other manufacturers or alternative part numbers within the AM26C31 family, but the AM26C31IDR is the primary recommended option for direct functional replacement.