5CSX-H5-4YA-RI Equivalent & Substitute Parts

Part Overview

The 5CSX-H5-4YA-RI is an embedded module manufactured by Critical Link LLC, part of the MitySOM series. This ARM Cortex-A9 based module integrates an FPGA core (Cyclone V SX/SE) with NEON SIMD co-processing capability, operating at 800MHz with 1GB RAM and 32MB flash storage. The module features an edge connector interface and operates across the industrial temperature range of -40°C to 85°C. With active product status and RoHS compliance, this module serves as a core processing element in embedded systems requiring combined CPU and FPGA functionality. Substitute parts are identified to address inventory availability, specific flash memory requirements, or alternative compliance certifications while maintaining core functional compatibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	5CSX-H5-4YA-RI
Manufacturer	Critical Link LLC
Series	MitySOM
Core Processor	ARM Cortex-A9, Cyclone V SX/SE
Co-Processor	NEON SIMD
Speed	800MHz
RAM Size	1GB
Flash Size	32MB
Module/Board Type	MPU, FPGA Core
Connector Type	Edge Connector
Size / Dimension	3.200" L x 1.500" W (82.00mm x 39.00mm)
Operating Temperature	-40°C ~ 85°C
Product Status	Active
RoHS Status	RoHS Compliant
Packaging	Bulk

Substitute Part Grouping Explanation

Substitute parts for the 5CSX-H5-4YA-RI are identified based on the following allowed parameters that determine functional and mechanical compatibility:

Primary Compatibility Criteria:

Core Processor: ARM Cortex-A9, Cyclone V SX/SE
Co-Processor: NEON SIMD
Speed: 800MHz
RAM Size: 1GB
Module/Board Type: MPU, FPGA Core
Connector Type: Edge Connector
Size / Dimension: 3.200" L x 1.500" W (82.00mm x 39.00mm)
Operating Temperature: -40°C ~ 85°C

Variable Parameters Allowing Substitution:

Flash Size: 32MB (main part) vs. 16MB (5CSE-H4-3YA-RI)
RoHS Status: RoHS Compliant (main part) vs. ROHS3 Compliant (5CSX-H6-4YA-RI)

The 5CSX-H6-4YA-RI maintains identical specifications to the main part with ROHS3 certification. The 5CSE-H4-3YA-RI provides equivalent functionality with reduced flash memory (16MB vs. 32MB), suitable for applications with lower storage requirements.

Parameter Comparison

Parameter	5CSX-H5-4YA-RI	5CSX-H6-4YA-RI	5CSE-H4-3YA-RI
Manufacturer	Critical Link LLC	Critical Link LLC	Critical Link LLC
Series	MitySOM	MitySOM	MitySOM
Core Processor	ARM Cortex-A9, Cyclone V SX/SE	ARM Cortex-A9, Cyclone V SX/SE	ARM Cortex-A9, Cyclone V SX/SE
Co-Processor	NEON SIMD	NEON SIMD	NEON SIMD
Speed	800MHz	800MHz	800MHz
RAM Size	1GB	1GB	1GB
Flash Size	32MB	32MB	16MB
Module/Board Type	MPU, FPGA Core	MPU, FPGA Core	MPU, FPGA Core
Connector Type	Edge Connector	Edge Connector	Edge Connector
Size / Dimension	3.200" L x 1.500" W (82.00mm x 39.00mm)	3.200" L x 1.500" W (82.00mm x 39.00mm)	3.200" L x 1.500" W (82.00mm x 39.00mm)
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Product Status	Active	Active	Active
RoHS Status	RoHS Compliant	ROHS3 Compliant	RoHS Compliant
Packaging	Bulk	Bulk	Bulk

Engineering Selection Recommendations

5CSX-H6-4YA-RI: This substitute maintains full specification equivalence with the main part while providing ROHS3 certification. Selection is appropriate for applications requiring enhanced environmental compliance or when ROHS3 certification is mandated by procurement specifications. Both parts are active products with identical core functionality, processor architecture, and thermal operating range.

5CSE-H4-3YA-RI: This substitute provides equivalent core processing capability with 16MB flash memory instead of 32MB. Selection is appropriate for applications where flash storage requirements do not exceed 16MB capacity. The part maintains identical processor performance, RAM capacity, and thermal specifications. RoHS compliance is maintained. This option is suitable for cost-optimized designs or inventory-constrained scenarios where reduced flash capacity is acceptable.

All three parts share identical mechanical form factor, connector interface, and operating temperature range, ensuring direct compatibility at the module level.

Frequently Asked Questions (FAQ)

Q: Can 5CSE-H4-3YA-RI be used as a direct replacement for 5CSX-H5-4YA-RI?

A: The 5CSE-H4-3YA-RI is functionally compatible with identical processor, co-processor, speed, RAM, and thermal specifications. The primary difference is flash memory capacity (16MB vs. 32MB). Direct substitution is valid only if the application firmware and data storage requirements fit within 16MB flash capacity.

Q: What is the difference between RoHS and ROHS3 compliance?

A: Both certifications indicate restriction of hazardous substances. ROHS3 represents a more recent compliance standard. Both the 5CSX-H5-4YA-RI (RoHS Compliant) and 5CSX-H6-4YA-RI (ROHS3 Compliant) meet environmental material restrictions. Selection between them depends on specific procurement or regulatory requirements.

Q: Are all three parts mechanically interchangeable?

A: Yes. All three parts share identical dimensions (3.200" L x 1.500" W / 82.00mm x 39.00mm), edge connector interface, and module form factor. Mechanical interchangeability is confirmed across all substitute options.

Q: What inventory status should influence part selection?

A: Current inventory levels are: 5CSX-H5-4YA-RI (1075 Pcs), 5CSX-H6-4YA-RI (812 Pcs), and 5CSE-H4-3YA-RI (1091 Pcs). All parts are available in production quantities. Selection should prioritize functional requirements and compliance specifications over inventory considerations.

Q: Can the 5CSX-H6-4YA-RI replace 5CSX-H5-4YA-RI in existing designs?

A: Yes. The 5CSX-H6-4YA-RI is a direct functional equivalent with identical specifications and enhanced ROHS3 certification. No design modifications are required for substitution.

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