LE88241DLC Equivalent & Substitute Parts

Part Overview

The LE88241DLC is a telecom interface integrated circuit manufactured by Microchip Technology, designed for PCM-based telecom applications with dual circuits in an 80-LQFP surface mount package. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system support and new design implementations. The transition from this legacy device requires careful evaluation of functional equivalence and package compatibility to maintain system performance.

Substiute Parts

LE88241DLC

Microchip TechnologyIn Stock: 16092LE88241DLC Datasheet

Current PartRFQ

LE9622RQC

Microchip TechnologyIn Stock: 1000258LE9622RQC Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LE88241DLC is determined by the following critical parameters:

• Manufacturer Continuity: Microchip Technology maintains the telecom interface product line, enabling direct substitution within the same manufacturer ecosystem
• Functional Category: Both main and substitute parts operate within the Interface category for telecom applications
• Interface Protocol: PCM compatibility is the primary functional requirement for signal processing equivalence
• Mounting Technology: Surface mount configuration ensures compatibility with existing PCB layouts
• Compliance Standards: ROHS3 compliance and MSL rating alignment guarantee environmental and handling compatibility
• Circuit Architecture: Functional substitution is possible despite differences in circuit count and package form factor, provided the substitute supports the required PCM interface

The LE9622RQC is identified as the manufacturer-recommended substitute, offering active product status with enhanced supply voltage flexibility and extended operating temperature range.

Parameter Comparison

Engineering Selection Recommendations

The LE9622RQC is the appropriate substitute for LE88241DLC applications based on the following criteria:

• Active Product Status: The LE9622RQC maintains active manufacturing status with Microchip Technology, ensuring long-term availability and supply chain continuity
• Compliance Alignment: Both components maintain ROHS3 compliance and identical MSL ratings, satisfying regulatory and handling requirements
• Interface Compatibility: PCM interface support in the LE9622RQC provides functional equivalence for signal processing requirements
• Enhanced Specifications: The substitute offers documented supply voltage range (1.8V, 2.5V, 3.3V) and operating temperature range (-40°C ~ 85°C), providing greater design flexibility than the obsolete predecessor
• Manufacturer Support: Direct recommendation from Microchip Technology validates the substitution path

Design migration requires evaluation of package footprint differences (80-LQFP to 53-VFQFN) and circuit count reduction (2 circuits to 1 circuit), necessitating PCB layout and schematic review.

Frequently Asked Questions (FAQ)

Q: Can LE9622RQC directly replace LE88241DLC without PCB modifications?

A: Package form factor differs between components (80-LQFP versus 53-VFQFN Exposed Pad). PCB layout modifications are required. The LE9622RQC occupies a smaller footprint, potentially enabling board space optimization.

Q: What is the functional difference between the two parts?

A: LE88241DLC provides dual-circuit telecom interface functionality via PCM. LE9622RQC implements Subscriber Line Interface Concept (SLIC) with single-circuit architecture and dual interface support (PCM and SPI). Functional equivalence depends on application-specific requirements for circuit count and interface protocols.

Q: Are there supply voltage compatibility concerns?

A: LE88241DLC supply voltage specifications are not provided in technical documentation. LE9622RQC supports 1.8V, 2.5V, and 3.3V operation. System power supply design must accommodate the substitute's voltage requirements.

Q: Does the operating temperature range affect substitution suitability?

A: LE88241DLC operating temperature is not specified. LE9622RQC operates across -40°C to 85°C. Verify that application temperature requirements fall within the substitute's specified range.

Q: Are moisture sensitivity levels compatible?

A: Both components maintain MSL 3 rating (168 Hours), ensuring equivalent handling and storage requirements. No additional moisture control measures are necessary during transition.

Q: What compliance certifications apply to both parts?

A: Both LE88241DLC and LE9622RQC are ROHS3 compliant and REACH unaffected, with identical ECCN (EAR99) and HTSUS (8542.39.0001) classifications. Regulatory requirements remain unchanged during substitution.