DS3668N Equivalent & Substitute Parts

Part Overview

The DS3668N is a 4/0 driver interface IC manufactured by Texas Instruments in a 16-DIP package. This component is classified as obsolete, which necessitates identification of suitable substitute parts for ongoing design requirements and production needs. The part operates across a supply voltage range of 3V to 5.25V and supports operating temperatures from -40°C to 125°C. Due to its obsolete status, locating equivalent components with compatible electrical and mechanical specifications is essential for system continuity.

Substiute Parts

DS3668N

Texas InstrumentsIn Stock: 1536DS3668N Datasheet

Current PartRFQ

DS3668N/NOPB

Texas InstrumentsIn Stock: 3148DS3668N/NOPB Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DS3668N is determined by strict equivalence across the following critical parameters:

• Number of Drivers/Receivers: 4/0 configuration
• Voltage - Supply: 3V ~ 5.25V operating range
• Operating Temperature: -40°C ~ 125°C range
• Package / Case: 16-DIP (0.300", 7.62mm) form factor
• Supplier Device Package: 16-PDIP pinout compatibility
• Manufacturer: Texas Instruments (same manufacturer ensures design continuity)

The substitute part DS3668N/NOPB maintains identical electrical and mechanical specifications while offering improved product status and compliance characteristics. This part is manufactured by the same supplier and shares the same base product number (DS3668), ensuring functional and pin-level compatibility.

Parameter Comparison

Engineering Selection Recommendations

The DS3668N/NOPB is the direct substitute for the obsolete DS3668N. Both parts share identical electrical specifications, pinout configuration, and physical package dimensions. The substitute part offers the following advantages:

• Active product status ensures continued availability and manufacturer support
• ROHS3 compliance meets current environmental and regulatory requirements
• Automotive-grade qualification (AEC-Q100) provides additional reliability assurance
• Tube packaging option supports production and inventory management

Selection of DS3668N/NOPB eliminates obsolescence risk while maintaining full functional compatibility with existing designs utilizing the DS3668N.

Frequently Asked Questions (FAQ)

Q: Are DS3668N and DS3668N/NOPB pin-compatible?

A: Yes. Both parts use the 16-PDIP package configuration with identical pinout. Direct socket substitution is possible without circuit modification.

Q: What is the difference between DS3668N and DS3668N/NOPB?

A: The primary differences are product status (obsolete vs. active), RoHS compliance (non-compliant vs. ROHS3 compliant), and packaging format. Electrical and mechanical specifications are identical.

Q: Can DS3668N/NOPB be used in existing designs?

A: Yes. The substitute part maintains identical voltage supply range (3V ~ 5.25V), operating temperature range (-40°C ~ 125°C), driver/receiver configuration (4/0), and package form factor (16-DIP). No design changes are required.

Q: Does the substitute part have automotive qualification?

A: Yes. DS3668N/NOPB carries AEC-Q100 automotive qualification, providing enhanced reliability assurance for demanding applications.

Q: What is the moisture sensitivity level for both parts?

A: Both DS3668N and DS3668N/NOPB have MSL rating of 1 (Unlimited), indicating no moisture sensitivity constraints during storage or handling.