74CBTLV3257RGYRG4 Equivalent & Substitute Parts

Part Overview

The 74CBTLV3257RGYRG4 is a Multiplexer/Demultiplexer logic IC with 4 independent 1:2 circuits in a 16-VQFN (4x4.6) surface mount package. This component is designed for signal routing and switching applications requiring low-voltage operation. The part is currently discontinued at DiGi Electronics, making identification of active equivalent substitutes essential for ongoing design support and procurement.

Substiute Parts

74CBTLV3257RGYRG4

Texas InstrumentsIn Stock: 103974CBTLV3257RGYRG4 Datasheet

Current PartRFQ

SN74CBTLV3257RGYR

Texas InstrumentsIn Stock: 20186SN74CBTLV3257RGYR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 74CBTLV3257RGYRG4 is determined by strict equivalence across the following parameters:

• Functional equivalence: Identical circuit configuration (4 x 1:2 multiplexer/demultiplexer)
• Electrical compatibility: Matching voltage supply range (2.3V ~ 3.6V) and operating temperature range (-40°C ~ 85°C)
• Package compatibility: Identical 16-VQFN Exposed Pad package (4x4.6 footprint)
• Compliance alignment: ROHS3 compliance and MSL rating consistency
• Manufacturer consistency: Texas Instruments 74CBTLV series

The SN74CBTLV3257RGYR meets all substitution criteria as an active product variant within the same base product family (74CBTLV3257).

Parameter Comparison

Engineering Selection Recommendations

The SN74CBTLV3257RGYR is the direct substitute for the discontinued 74CBTLV3257RGYRG4. Both parts share identical electrical specifications, package geometry, and compliance certifications. The substitute maintains active product status with established supply availability, making it the appropriate selection for new designs and ongoing production requirements. Both parts are ROHS3 compliant and carry equivalent MSL ratings, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can the SN74CBTLV3257RGYR be used as a direct replacement for the 74CBTLV3257RGYRG4?

A: Yes. Both parts are functionally and electrically identical with matching circuit configurations (4 x 1:2), voltage supply ranges (2.3V ~ 3.6V), operating temperatures (-40°C ~ 85°C), and package specifications (16-VQFN Exposed Pad, 4x4.6). The substitute is the active variant of the same base product family.

Q: Are there any package or footprint differences between these parts?

A: No. Both parts use the identical 16-VQFN Exposed Pad package with 4x4.6mm dimensions. PCB layouts and assembly processes require no modification.

Q: What is the primary reason for substitution?

A: The 74CBTLV3257RGYRG4 is discontinued at DiGi Electronics. The SN74CBTLV3257RGYR is the active equivalent with superior supply availability (20,175 pcs in stock versus 1,019 pcs for the original part).

Q: Are compliance and certification ratings identical?

A: Yes. Both parts are ROHS3 compliant with MSL rating 2 (1 Year), REACH unaffected status, and identical ECCN and HTSUS classifications.

Q: What is the difference between the part numbers?

A: The part numbers differ only in suffix designation (RGYRG4 versus RGYR). This reflects packaging and distribution channel variations from Texas Instruments, not functional or electrical differences.