EFM8BB31F64G-B-QFN32 Silicon Labs Integrated Circuit (Quad Flat No-Lead) In Stock

Name: EFM8BB31F64G-B-QFN32
Brand: Silicon Labs
SKU: EFM8BB31F64G-B-QFN32
Availability: InStock

Silicon Labs EFM8BB31F64G-B-QFN32 is an 8-bit CIP-51 microcontroller. It offers 50MHz performance, 64 kB Flash, and 32-pin QFN packaging. From FindMyChip, in stock with worldwide shipping.

ACTIVEIntegrated CircuitVerified Jul 2026

Package / Visual Reference

EFM8BB31F64G-B-QFN32Quad Flat No-Lead

Quick Facts

Manufacturer: Silicon Labs
Package: Quad Flat No-Lead
Pin Count: 33
Lifecycle: ACTIVE
Datasheet: EFM8BB31F64G-B-QFN32 Datasheet PDF
Category: Integrated Circuit
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of EFM8BB31F64G-B-QFN32?

8-bit CIP-51 MCU core running up to 50MHz
64 kB Flash memory for compact embedded firmware
32-pin QFN package for space-constrained PCB layouts
Peripheral-rich Silicon Labs EFM8BB3 device for cost-sensitive control designs

What is EFM8BB31F64G-B-QFN32 used for?

The EFM8BB31F64G-B-QFN32 fits embedded control nodes in appliances, industrial sensors, consumer accessories, and board-level interface modules. Its 50MHz 8-bit core and 64 kB Flash support compact firmware where low pin-count QFN assembly is preferred.

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)

Where can I find the EFM8BB31F64G-B-QFN32 datasheet?

EFM8BB31F64G-B-QFN32 Datasheet Download

Official datasheet from Silicon Labs

What are equivalent replacements for EFM8BB31F64G-B-QFN32?

Compatible alternatives and drop-in replacements for EFM8BB31F64G-B-QFN32:

FA2805-CLB

suggested

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

How much firmware headroom does EFM8BB31F64G-B-QFN32 provide for embedded control designs?

This part provides 64 kB Flash on an 8-bit CIP-51 microcontroller, giving buyers room for compact control firmware, communication routines, and calibration tables.

Which mechanical constraints should buyers check before approving this Silicon Labs MCU?

The device is supplied in a 32-pin QFN package, so layout teams should confirm land pattern, thermal pad handling, and assembly capability before release.

Can this MCU support timing-sensitive sensor or interface tasks?

Yes, its 50MHz 8-bit core is suitable for many sensor interfaces, appliance controls, and board-management tasks that need deterministic embedded firmware.

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About Silicon Labs

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AvailabilityIn Stock

Reference Price (USD)

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Direct Contact

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

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“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”

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EFM8BB31F64G-B-QFN32 Silicon Labs Integrated Circuit (Quad Flat No-Lead) In Stock

What are the key features of EFM8BB31F64G-B-QFN32?

What is EFM8BB31F64G-B-QFN32 used for?

Compliance & Regulatory

Where can I find the EFM8BB31F64G-B-QFN32 datasheet?

What are equivalent replacements for EFM8BB31F64G-B-QFN32?

Frequently Asked Questions

How much firmware headroom does EFM8BB31F64G-B-QFN32 provide for embedded control designs?

Which mechanical constraints should buyers check before approving this Silicon Labs MCU?

Can this MCU support timing-sensitive sensor or interface tasks?

Related Guides

How to Choose a Ferrite Bead for EMI Suppression Rails: Selection Guide

150141BS73100 Design Guide for 3528 Status Indicator LED Circuits

How to Choose 150141BS73100 for Wurth 3528 SMT LED Indicator Designs

How to Choose EEEFT1V101AP for SMD Aluminum Electrolytic Capacitor Designs

Why Buy from FindMyChip

About Silicon Labs

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