C8051F002R Equivalent & Substitute Parts

Part Overview

The C8051F002R is an 8-bit microcontroller from Silicon Labs' C8051F00x series, featuring a 20MHz 8051 core with 32KB Flash memory and integrated analog/digital conversion capabilities. This part is classified as Obsolete, making equivalent and substitute parts necessary for ongoing design support, production continuity, and system maintenance. The C8051F002R is designed for embedded applications requiring low-power operation, integrated communication interfaces, and mixed-signal processing within the 2.7V to 3.6V supply range.

Substiute Parts

C8051F002R

Silicon LabsIn Stock: 829C8051F002R Datasheet

Current PartRFQ

C8051F002-GQ

Silicon LabsIn Stock: 1828C8051F002-GQ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the C8051F002R is determined by strict equivalence across core electrical and mechanical parameters. The following criteria define valid substitutes:

Primary Substitution Criteria:

• 8051 core processor architecture
• 8-bit core size
• 20MHz operating speed
• 32KB Flash program memory (32K x 8)
• 256 x 8 RAM configuration
• 2.7V to 3.6V supply voltage range
• A/D 4x12b and D/A 2x12b data converter configuration
• SMBus (2-Wire/I2C), SPI, and UART/USART connectivity
• 8 I/O pins
• 32-LQFP (7x7) package footprint
• Surface mount mounting type

The C8051F002-GQ qualifies as a direct substitute, maintaining identical electrical specifications and package configuration while offering improved product status and RoHS compliance. Differences in packaging format (Tray vs. standard) and RoHS certification do not affect functional or electrical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The C8051F002-GQ is the direct functional equivalent of the C8051F002R. Selection between these parts should be based on the following factors:

Product Status Consideration: The C8051F002R is classified as Obsolete, indicating end-of-life status and potential supply constraints. The C8051F002-GQ carries Last Time Buy status, providing a defined procurement window before complete discontinuation.

Compliance Requirements: The C8051F002-GQ meets ROHS3 compliance standards, whereas the C8051F002R is RoHS non-compliant. For applications subject to RoHS directives or customer compliance requirements, the C8051F002-GQ is the appropriate selection.

Programmability Verification: The C8051F002-GQ is verified as programmable through DiGi-Electronics channels, while the C8051F002R programmability status is not verified. This distinction may be relevant for production programming workflows.

Packaging and Inventory: The C8051F002-GQ is supplied in Tray packaging format with higher current inventory availability (1811 Pcs vs. 816 Pcs), supporting production continuity and lead-time reduction.

For new designs or production transitions, the C8051F002-GQ is the recommended selection. For legacy system maintenance where the C8051F002R is currently deployed, the C8051F002-GQ provides drop-in compatibility with identical electrical and mechanical characteristics.

Frequently Asked Questions (FAQ)

Q: Can the C8051F002-GQ be used as a direct replacement for the C8051F002R in existing designs?

A: Yes. The C8051F002-GQ maintains identical electrical specifications, memory configuration, peripheral set, and 32-LQFP (7x7) package footprint. No circuit modifications or firmware changes are required for functional substitution.

Q: What is the significance of the product status difference between Obsolete and Last Time Buy?

A: Obsolete status indicates the part is no longer manufactured and existing inventory is depleted. Last Time Buy status indicates a defined final procurement period before discontinuation. The C8051F002-GQ provides a transition path with confirmed availability during the Last Time Buy window.

Q: Does RoHS3 compliance of the C8051F002-GQ affect compatibility with designs originally specified for the C8051F002R?

A: No. RoHS3 compliance is a manufacturing and material standard that does not alter electrical performance, pin configuration, or functional behavior. The C8051F002-GQ is electrically and mechanically identical to the C8051F002R.

Q: Are there any differences in the 32-LQFP package between these parts?

A: No. Both parts use the identical 32-LQFP (7x7) package with the same pin configuration, pitch, and footprint. PCB layouts and solder profiles require no modification.

Q: What is the significance of the Tray packaging format for the C8051F002-GQ?

A: Tray packaging is a standard surface-mount component delivery format suitable for automated pick-and-place assembly. It does not affect component functionality or electrical characteristics. Selection between packaging formats depends on production assembly equipment and handling procedures.

Q: Can the C8051F002R and C8051F002-GQ be mixed in the same production batch?

A: Yes, from a functional and electrical standpoint. However, production traceability and compliance documentation may require consistent part sourcing. Consult manufacturing and quality procedures for specific requirements.