DARR84-APK Equivalent & Substitute Parts

Part Overview

The DARR84-APK is an audio baseband processor integrated circuit manufactured by Microchip Technology, designed for wireless audio applications. This component features a 129-pin thin fine-pitch ball grid array (TFBGA) package and utilizes an 8052 core processor architecture. The part is currently classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing system support and new design implementations.

Substiute Parts

DARR84-APK

Microchip TechnologyIn Stock: 1608DARR84-APK Datasheet

Current PartRFQ

DARR83-APK

Microchip TechnologyIn Stock: 1565DARR83-APK Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The DARR83-APK qualifies as a direct substitute for the DARR84-APK based on the following substitution criteria:

Manufacturer Alignment: Both parts are manufactured by Microchip Technology, ensuring consistent design philosophy and support infrastructure.

Functional Category: Both components serve as audio baseband processors for wireless audio applications, maintaining identical functional purpose.

Core Architecture: Both utilize the 8052 core processor, providing architectural compatibility at the instruction set level.

Package Compatibility: Both employ 129-pin ball grid array packaging (TFBGA/LFBGA variants), ensuring mechanical and electrical pin compatibility.

Compliance Standards: Both parts maintain ROHS3 compliance and identical moisture sensitivity ratings (MSL 3, 168 Hours), supporting equivalent environmental and regulatory requirements.

Export Classification: Both share identical ECCN (5A002A1) and HTSUS (8542.39.0001) codes, confirming regulatory equivalence.

Product Status Advantage: The DARR83-APK maintains active product status, providing ongoing manufacturer support and availability, addressing the obsolescence limitation of the DARR84-APK.

Parameter Comparison

Engineering Selection Recommendations

The DARR83-APK is the designated substitute for the DARR84-APK in wireless audio applications. Selection of the DARR83-APK is supported by:

Regulatory Compliance: Both parts maintain identical ROHS3 compliance status and export classification codes, eliminating regulatory substitution barriers.

Product Lifecycle Status: The DARR83-APK maintains active product status with confirmed inventory availability (1528 Pcs), whereas the DARR84-APK is obsolete. This status differential makes the DARR83-APK the appropriate choice for new designs and ongoing production support.

Manufacturer Support: Microchip Technology continues to support the DARR83-APK through active product lines, ensuring access to technical documentation, application notes, and component availability.

Moisture Sensitivity Equivalence: Identical MSL ratings ensure equivalent handling, storage, and assembly process requirements, eliminating process modification needs.

Frequently Asked Questions (FAQ)

Q: Can the DARR83-APK directly replace the DARR84-APK in existing designs?

A: Yes. Both parts share identical core processor architecture (8052), package pin count (129-pin), and functional application category (wireless audio baseband processing). The mechanical and electrical pin assignments are compatible between the 129-pin TFBGA and 129-pin LFBGA variants.

Q: What is the primary reason for substitution?

A: The DARR84-APK is classified as obsolete. The DARR83-APK maintains active product status with ongoing manufacturer support and confirmed inventory availability, making it the appropriate long-term solution.

Q: Are there compliance or certification differences between these parts?

A: No. Both parts maintain identical ROHS3 compliance, MSL ratings (3, 168 Hours), ECCN codes (5A002A1), and HTSUS classifications (8542.39.0001).

Q: What are the package differences between DARR84-APK and DARR83-APK?

A: The DARR84-APK uses a 129-pin TFBGA package, while the DARR83-APK uses a 129-pin LFBGA (7x7) package. Both are 129-pin ball grid array variants with compatible pin assignments for this product category.

Q: Are there memory or interface differences?

A: The DARR83-APK provides specified memory configuration (RAM 8K x 8, ROM 1kB) and interface options (I2C, I2S, SPI, UART), whereas the DARR84-APK specifications do not include these details in the available documentation. Both utilize the same 8052 core processor architecture.

Q: What inventory status should be expected?

A: The DARR83-APK has confirmed new original inventory of 1528 pieces in stock. The DARR84-APK, being obsolete, has limited remaining inventory (1544 pieces) with no ongoing production.