Equivalent & Substitute Parts: 20-109-0198

Part Overview

The 20-109-0198 is a RabbitCore® Embedded Module featuring the Rabbit 2000 processor operating at 22.1MHz with 512KB Flash memory and 512KB RAM. This module is classified as an MPU Core embedded component with header-type connectors and operates across the temperature range of -40°C to 70°C.

The product status is listed as Obsolete, indicating that this component is no longer in active production. Identifying equivalent substitute parts is necessary to maintain system compatibility, ensure continued availability, and support ongoing design requirements for applications currently utilizing this module.

Substiute Parts

20-109-0198

DigiIn Stock: 104620-109-0198 Datasheet

Current PartRFQ

20-101-0434

DigiIn Stock: 150820-101-0434 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 20-109-0198 is based on functional and electrical equivalence across the following critical parameters:

Core Processor Architecture: Both the main part and substitute utilize the Rabbit 2000 processor, ensuring instruction set compatibility and software portability.

Processing Speed: The 22.1MHz clock frequency is maintained in the substitute part, preserving timing-critical application performance.

Memory Configuration: Flash memory (512KB) and RAM (512KB) specifications are identical, ensuring sufficient storage capacity for firmware and runtime data.

Embedded Module Category: Both components are classified as MPU Core embedded modules within the RabbitCore® product family, maintaining functional equivalence within the embedded systems category.

Connector Interface: Both parts utilize header-type connectors, supporting physical integration into existing PCB designs.

The substitute part 20-101-0434 satisfies these core substitution criteria while offering improved product status and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The 20-101-0434 serves as the manufacturer-recommended substitute for the obsolete 20-109-0198. Both components maintain electrical and functional equivalence through identical processor architecture, clock speed, and memory specifications.

Product Status Consideration: The 20-109-0198 is classified as Obsolete, while the 20-101-0434 carries a Not For New Designs status. This distinction indicates that the substitute part remains available for replacement and legacy system support, though neither component is recommended for new product development initiatives.

Compliance and Certification: The 20-101-0434 provides RoHS Compliance certification and specifies Moisture Sensitivity Level (MSL) 1 (Unlimited), offering enhanced environmental and handling documentation compared to the main part. Both components maintain REACH Unaffected status.

Connector Interface Difference: The main part features a generic header connector, while the substitute specifies 2 IDC Headers 2x20. This difference requires mechanical verification to ensure compatibility with existing PCB footprints and connector receptacles in target applications.

Operating Temperature Range: The substitute part operates across 0°C to 70°C, compared to the main part's -40°C to 70°C range. Applications requiring operation below 0°C cannot utilize the substitute without thermal management considerations.

Frequently Asked Questions (FAQ)

Q: Are the 20-109-0198 and 20-101-0434 electrically equivalent?

A: Yes. Both components utilize the Rabbit 2000 processor at 22.1MHz with identical 512KB Flash and 512KB RAM configurations. Electrical specifications for processor architecture, clock frequency, and memory capacity are equivalent.

Q: What is the primary difference between these two parts?

A: The main differences are connector type specification (generic header versus 2 IDC Headers 2x20), operating temperature range (−40°C to 70°C versus 0°C to 70°C), and product status (Obsolete versus Not For New Designs). The 20-101-0434 also includes RoHS Compliance and MSL documentation.

Q: Can I use the 20-101-0434 as a direct replacement in applications currently using the 20-109-0198?

A: Substitution is feasible for applications operating within the 0°C to 70°C temperature range and utilizing compatible IDC header connectors. Applications requiring operation below 0°C or using different connector types require design modification.

Q: Why is the 20-101-0434 listed as Not For New Designs?

A: This status indicates the component is available for legacy system support and replacement purposes but is not recommended for incorporation into new product designs. Digi may have released newer alternatives for new development initiatives.

Q: Are both parts REACH compliant?

A: Both components maintain REACH Unaffected status, indicating they are not subject to REACH regulatory restrictions.

Q: What does MSL 1 (Unlimited) mean for the 20-101-0434?

A: MSL 1 (Unlimited) indicates the component has minimal moisture sensitivity and does not require special moisture-controlled storage or handling procedures prior to assembly.