For Reference Only
| Part Number | EFM8BB31F64I-B-5QFN32 |
| LIXINC Part # | EFM8BB31F64I-B-5QFN32 |
| Manufacturer | Silicon Labs |
| Category | Integrated Circuits › Embedded - Microcontrollers |
| Description | IC MCU 8BIT 64KB FLASH 32QFN |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | EFM8BB31F64I-B-5QFN32 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 23 - Jan 27 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | EFM8BB31F64I-B-5QFN32 |
| Brand: | Silicon Labs |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits |
| Subcategory: | Embedded - Microcontrollers |
| Manufacturer: | Silicon Labs |
| Series: | Busy Bee |
| Package: | Tube |
| Part Status: | Not For New Designs |
| Core Processor: | CIP-51 8051 |
| Core Size: | 8-Bit |
| Speed: | 50MHz |
| Connectivity: | I²C, SMBus, SPI, UART/USART |
| Peripherals: | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O: | 29 |
| Program Memory Size: | 64KB (64K x 8) |
| Program Memory Type: | FLASH |
| EEPROM Size: | - |
| RAM Size: | 4.25K x 8 |
| Voltage - Supply (Vcc/Vdd): | 2.2V ~ 3.6V |
| Data Converters: | A/D 20x10/12b SAR; D/A 4x12b |
| Oscillator Type: | Internal |
| Operating Temperature: | -40°C ~ 125°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 32-WFQFN Exposed Pad |
| Supplier Device Package: | 32-QFN (5x5) |
| MB89695BPFM-G-120-BND | IC MCU 8BIT FFMC-8L-0.5 64LQFP | 928 More on Order |
|
| MSP432P401VTRGCT | IC MCU 32BIT 512KB FLASH 64VQFN | 1177 More on Order |
|
| XMC4800F100F2048AAXQMA1 | IC MCU 32BIT 2MB FLASH 100LQFP | 858 More on Order |
|
| PIC24FJ32GP205-E/PT | IC MCU 16BIT 32KB FLASH 8KB RAM | 903 More on Order |
|
| STM8AL3LE88TAY | IC MCU 8BIT 64KB FLASH 48LQFP | 885 More on Order |
|
| MB89637RPF-G-1075-BND | IC MCU 8BIT 32KB MROM 64QFP | 921 More on Order |
|
| S9S08SG16E1MTJR | IC MCU 8BIT 16KB FLASH 20TSSOP | 832 More on Order |
|
| EFM32LG942F128G-F-QFP64R | IC MCU 32BIT 128KB FLASH 64TQFP | 861 More on Order |
|
| STM8AF6388TDX | IC MCU 8BIT 64KB FLASH 48LQFP | 886 More on Order |
|
| CY8C5288FNI-LP213T | IC MCU 32BIT 256KB FLASH 99WLCSP | 823 More on Order |
|
| DF3028X25V | IC MCU 16BIT 384KB FLASH 100TQFP | 1032 More on Order |
|
| ATSAME54N20A-AF | IC MCU 32BIT 1MB FLASH 100TQFP | 924 More on Order |
|
| DF71364AD80FPV | IC MCU 32BIT 256KB FLASH 80LQFP | 1678 More on Order |
| In Stock | 10840 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $1.76000 | $1.76 |
| 25 | $1.61414 | $40.3535 |
| 100 | $1.46759 | $146.759 |
| 1000 | $1.32079 | $1320.79 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.