DS21348G Equivalent & Substitute Parts

Part Overview

The DS21348G is a telecom interface integrated circuit manufactured by Analog Devices Inc./Maxim Integrated, housed in a 49-CSBGA (7x7) ball grid array package. This component functions as a serial interface IC for telecommunications applications. The DS21348G is classified as obsolete, which necessitates identification of equivalent substitute parts for new designs or component replenishment in legacy systems. The availability of active product variants ensures continued access to functionally compatible solutions.

Substiute Parts

DS21348G

Analog Devices Inc./Maxim IntegratedIn Stock: 2876DS21348G Datasheet

Current PartRFQ

DS21348G+

Analog Devices Inc./Maxim IntegratedIn Stock: 1359DS21348G+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DS21348G is determined by strict equivalence across the following critical parameters:

• Manufacturer and Base Product Number: Both the main part and substitute must originate from Analog Devices Inc./Maxim Integrated and share the base product number DS21348
• Package and Pinout: Identical 49-CSBGA (7x7) ball grid array package ensures mechanical and electrical compatibility
• Interface Specification: Serial interface type must remain constant
• Voltage Supply Range: Operating voltage window of 3.135V ~ 3.465V must be maintained
• Mounting Technology: Surface mount configuration is required for PCB assembly compatibility
• Circuit Count: Single circuit configuration must be preserved

The DS21348G+ represents a direct substitute that maintains all critical electrical and mechanical parameters while offering improved product status and compliance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The DS21348G+ is the direct equivalent substitute for the obsolete DS21348G. Both components maintain identical electrical specifications, package geometry, and functional characteristics. The DS21348G+ offers the advantage of active product status, ensuring long-term availability and supply chain reliability.

The DS21348G+ achieves ROHS3 compliance, whereas the original DS21348G is RoHS non-compliant. This distinction is significant for applications subject to regulatory requirements mandating RoHS compliance. Both components maintain identical REACH and ECCN classifications.

Operating temperature ranges differ between the two variants: the DS21348G operates from -40°C to 85°C, while the DS21348G+ operates from 0°C to 70°C. Component selection must account for the specific thermal requirements of the target application. Applications requiring extended low-temperature operation below 0°C or high-temperature operation above 70°C are incompatible with the DS21348G+.

Frequently Asked Questions (FAQ)

Q: Can DS21348G+ be used as a direct replacement for DS21348G in existing designs?

A: The DS21348G+ is electrically and mechanically equivalent to the DS21348G. Both components share identical voltage supply ranges, package configurations, and serial interface specifications. Substitution is valid provided the application operating temperature range falls within 0°C to 70°C. Applications requiring the extended temperature range of the original part (-40°C to 85°C) require thermal performance verification.

Q: What are the key differences between DS21348G and DS21348G+?

A: The primary differences are product status, RoHS compliance, and operating temperature range. The DS21348G is obsolete and RoHS non-compliant, while the DS21348G+ is active and ROHS3 compliant. The DS21348G+ has a narrower operating temperature range (0°C to 70°C versus -40°C to 85°C).

Q: Are the package dimensions and pinout identical between these parts?

A: Yes. Both the DS21348G and DS21348G+ use the 49-CSBGA (7x7) ball grid array package with identical mechanical and electrical pinout specifications. No PCB layout modifications are required for substitution.

Q: What is the significance of the RoHS compliance difference?

A: The DS21348G+ is ROHS3 compliant, meeting current regulatory requirements for restricted hazardous substances. The DS21348G is RoHS non-compliant. Applications subject to RoHS regulations must use the DS21348G+. Legacy systems not subject to RoHS requirements may use either variant.

Q: Does the operating temperature range difference affect component selection?

A: Yes. The DS21348G+ operates from 0°C to 70°C, while the DS21348G operates from -40°C to 85°C. Applications requiring operation below 0°C or above 70°C are incompatible with the DS21348G+. Verify the target application's thermal environment before selecting the substitute part.

Q: Are moisture sensitivity levels identical?

A: Yes. Both components have Moisture Sensitivity Level 3 (168 Hours), requiring identical handling and storage protocols during manufacturing and assembly processes.