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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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

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

James Wright

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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

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Silicon Labs

More from Silicon Labs

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