RabbitCore® Embedded Module Rabbit 3000 44.2MHz 1MB (20-101-1055)

Part Overview

The 20-101-1055 is a RabbitCore® Embedded Module featuring a Rabbit 3000 processor operating at 44.2MHz with 1MB total RAM (512KB internal, 32MB external flash). This module serves as a microprocessor core for embedded applications requiring real-time processing capabilities. The part is currently classified as Obsolete, necessitating identification of functionally equivalent alternatives for ongoing system support and new designs.

Substiute Parts

20-101-1055

DigiIn Stock: 93820-101-1055 Datasheet

Current PartRFQ

20-101-1051

DigiIn Stock: 117920-101-1051 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 20-101-1055 is based on strict equivalence across the following critical parameters:

• Core Processor: Rabbit 3000
• Operating Speed: 44.2MHz
• RAM Configuration: 1MB total capacity
• Flash Memory: 512KB internal, 32MB external
• Connector Type: 2 IDC Headers 2x17, 1 IDC Header 2x5, 1 xD-Picture Card
• Module/Board Type: MPU Core
• Operating Temperature Range: 0°C ~ 70°C

The substitute part 20-101-1051 maintains identical electrical and mechanical specifications across all these parameters, ensuring functional compatibility in applications currently using the 20-101-1055.

Parameter Comparison

Engineering Selection Recommendations

The 20-101-1051 is the direct substitute for the 20-101-1055. Both parts are electrically and mechanically identical across all functional parameters. The primary distinction is product lifecycle status: the 20-101-1055 is Obsolete, while the 20-101-1051 carries Last Time Buy status, indicating limited future availability.

The 20-101-1051 provides RoHS Compliance certification, which the 20-101-1055 does not specify. Both parts maintain identical environmental compliance (REACH Unaffected) and moisture sensitivity ratings (MSL 1 - Unlimited).

For new designs or system replacements, the 20-101-1051 is the appropriate selection. Existing systems using the 20-101-1055 can transition to the 20-101-1051 without modification, as all electrical and mechanical interfaces are identical.

Frequently Asked Questions (FAQ)

Q: Can the 20-101-1051 directly replace the 20-101-1055 in existing applications?

A: Yes. Both parts feature identical core processors (Rabbit 3000), operating speeds (44.2MHz), memory configurations (1MB RAM, 512KB internal flash, 32MB external flash), connector types, and operating temperature ranges. No circuit modifications are required.

Q: What is the difference between these two part numbers?

A: The 20-101-1055 is classified as Obsolete, while the 20-101-1051 is Last Time Buy. The 20-101-1051 additionally specifies RoHS Compliance. All functional and mechanical specifications are identical.

Q: Are the connector types identical between both parts?

A: Yes. Both parts use 2 IDC Headers 2x17, 1 IDC Header 2x5, and 1 xD-Picture Card connector configuration.

Q: What is the operating temperature range for both modules?

A: Both the 20-101-1055 and 20-101-1051 operate within the range of 0°C to 70°C.

Q: Do both parts have the same moisture sensitivity level?

A: Yes. Both parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions.

Q: Is the 20-101-1051 RoHS compliant?

A: Yes, the 20-101-1051 is RoHS Compliant. The 20-101-1055 does not specify RoHS status.