SN75174DWRG4 Equivalent & Substitute Parts

Part Overview

The SN75174DWRG4 is a 4/0 Driver RS422/RS485 interface IC manufactured by Texas Instruments in a 20-SOIC surface mount package. This component is designed for serial communication applications requiring RS422 or RS485 protocol support with four driver outputs and no receiver inputs.

The SN75174DWRG4 is currently discontinued at DiGi Electronics. Identifying equivalent substitute parts is necessary to maintain design continuity and ensure project timelines are not impacted by component unavailability.

Substiute Parts

SN75174DWRG4

Texas InstrumentsIn Stock: 1205SN75174DWRG4 Datasheet

Current PartRFQ

SN75174DWR

Texas InstrumentsIn Stock: 1473SN75174DWR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SN75174DWRG4 is determined by strict equivalence across the following critical parameters:

• Protocol support: RS422 and RS485
• Driver/Receiver configuration: 4 drivers, 0 receivers
• Supply voltage range: 4.75V to 5.25V
• Operating temperature range: 0°C to 70°C
• Package type: 20-SOIC surface mount
• Electrical and mechanical compatibility

The SN75174DWR meets all substitution criteria as a direct equivalent. Both parts share identical functional specifications, electrical characteristics, and physical packaging. The primary distinction is product status: SN75174DWR is currently active in production, whereas SN75174DWRG4 is discontinued.

Parameter Comparison

Engineering Selection Recommendations

The SN75174DWR is the direct substitute for the SN75174DWRG4. Both components are manufactured by Texas Instruments and maintain identical electrical and mechanical specifications. The SN75174DWR is currently in active production status, ensuring availability and supply chain continuity.

Both parts maintain ROHS3 compliance and REACH unaffected status, meeting regulatory requirements for industrial and commercial applications. The MSL rating of 1 (Unlimited) indicates no moisture sensitivity constraints during storage or handling.

Selection of the SN75174DWR eliminates obsolescence risk while preserving full functional compatibility with existing designs utilizing the SN75174DWRG4.

Frequently Asked Questions (FAQ)

Q: Can the SN75174DWR be used as a direct replacement for the SN75174DWRG4?

A: Yes. The SN75174DWR is a direct functional equivalent. Both parts share identical electrical specifications, protocol support (RS422/RS485), driver configuration (4/0), supply voltage range (4.75V–5.25V), operating temperature range (0°C–70°C), and 20-SOIC package dimensions.

Q: What is the primary difference between these two part numbers?

A: The SN75174DWRG4 is discontinued at DiGi Electronics, while the SN75174DWR is in active production. No electrical or mechanical differences exist between the two parts.

Q: Are there any packaging differences between SN75174DWRG4 and SN75174DWR?

A: No. Both parts use identical 20-SOIC (0.295", 7.50mm Width) surface mount packaging. PCB footprints and assembly processes remain unchanged.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the SN75174DWRG4 and SN75174DWR are ROHS3 compliant, REACH unaffected, and carry an MSL rating of 1 (Unlimited).

Q: What supply voltage range do these parts support?

A: Both parts operate within a supply voltage range of 4.75V to 5.25V, suitable for standard 5V logic systems.

Q: Are there any temperature operating range differences?

A: No. Both parts operate across the same temperature range of 0°C to 70°C.