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For Reference Only
| Part Number | EFM8BB31F32I-B-QFN32 |
| OEMstron Part # | EFM8BB31F32I-B-QFN32 |
| Manufacturer | Silicon Labs |
| Category | Semiconductors › Embedded Processors & Controllers › Microcontrollers |
| Description | IC MCU 8BIT 32KB FLASH 32QFN |
| Lifecycle | Not For New Designs |
| RoHS | No RoHS Information |
| EDA/CAD Models | EFM8BB31F32I-B-QFN32 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Mar 20 - Mar 25 (Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |  |
| Shipping |  |
EFM8BB31F32I-B-QFN32 Specifications
| Part Number | EFM8BB31F32I-B-QFN32 | |
| Brand | Silicon Labs | |
| Lifecycle | Not For New Designs | |
| RoHS | No RoHS Information | |
| Product Line | Semiconductors | |
| Category | Embedded Processors & Controllers | |
| Subcategory | Microcontrollers | |
| Manufacturer | Silicon Labs | |
| Series | Busy Bee | |
| 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 | 32KB (32K x 8) | |
| Program Memory Type | FLASH | |
| EEPROM Size | - | |
| RAM Size | 2.25K x 8 | |
| Voltage - Supply (Vcc/Vdd) | 2.2V ~ 3.6V | |
| Data Converters | A/D 20x10/12b SAR; D/A 2x12b | |
| Oscillator Type | Internal | |
| Operating Temperature | -40°C ~ 125°C (TA) | |
| Mounting Type | Surface Mount | |
| Package / Case | 32-UFQFN Exposed Pad | |
| Supplier Device Package | 32-QFN (4x4) |
EFM8BB31F32I-B-QFN32 Documents
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Global Supply Chains - Reliable and Authorized Distributor Resources
| Part Number | Description | Stock |
|
EFM8BB31F32I-B-QFN32R D# EFM8BB31F32I-B-QFN32R-ND Silicon Laboratories Inc |
IC MCU 8BIT 32KB FLASH 32QFN |
Limited Supply - Call |
|
EFM8BB31F32I-B-QFN32 D# 336-3644-5-ND Silicon Laboratories Inc |
IC MCU 8BIT 32KB FLASH 32QFN |
On Order |
| Part Number | Description | Stock |
|
EFM8BB31F32IBQFN32 Silicon Laboratories Inc |
OEM/CM QUOTES ONLY | NO BROKERS |
920 |
| Part Number | Description | Stock |
|
EFM8BB31F32IBQFN32 Silicon Laboratories Inc |
OEM/CM ONLY |
115 |
| Part Number | Description | Stock |
|
EFM8BB31F32I-B-QFN32R Silicon Laboratories Inc |
32kB flash, 2.25 kB RAM, 12b ADC, 2x DACs |
Short Lead Time |
|
EFM8BB31F32I-B-QFN32 Silicon Laboratories Inc |
32kB flash, 2.25 kB RAM, 12b ADC, 2x DACs |
Short Lead Time |
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| In Stock | 778 - More on Order |
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| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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