EFM8BB31F32I-B-4QFN24R
lmages are for reference only.EFM8BB31F32I-B-4QFN24R
IC MCU 8BIT 32KB FLASH 24QFN
Datasheet24-WFQFN Exposed Pad
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CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 32KB (32K x 8) FLASH 24-QFN (4x4)
EFM8BB31F32I-B-4QFN24R
| Category | Integrated Circuits (ICs) - Embedded - Microcontrollers |
| Manufacturer | Silicon Labs |
| Series | Busy Bee |
| Packaging | Tape & Reel (TR) |
| RoHS Status | ROHS3 Compliant |
| 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 | 20 |
| 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 12x10/12b SAR; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 24-QFN (4x4) |
| Package / Case | 24-WFQFN Exposed Pad |
| Base Product Number | EFM8BB31 |
| Grade | - |
| Qualification | - |
| Product Attribute |  |
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| Part Number | EFM8BB31F32I-B-5QFN32 | EFM8BB31F32I-B-5QFN32R | EFM8BB31F32I-B-QFN24 | EFM8BB31F32I-B-QFN24R |
| Manufacturer | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Description | IC MCU 8BIT 32KB FLASH 32QFN | IC MCU 8BIT 32KB FLASH 32QFN | IC MCU 8BIT 32KB FLASH 24QFN | IC MCU 8BIT 32KB FLASH 24QFN |
| Series | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Packaging | Tube | Tape & Reel (TR) | Tube | Tape & Reel (TR) |
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| Delivery Time | In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Orwintech ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries. |
| Delivery Cost | Use your express account for shipment if you have one. Use our account for the shipment. Refer to the table below for the approximate charges. (Different time frame / countries / package size has different price.) |
| Delivery Method | Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support. Others more shipping ways, please get in touch with us. |
| Region | Country | Logistic Time(Day) |
| America | United States | 5 |
| Brazil | 7 | |
| Europe | Germany | 5 |
| United Kingdom | 4 | |
| Ltaly | 5 | |
| Oceania | Australia | 6 |
| New Zealand | 5 | |
| Asia | India | 4 |
| Japan | 4 | |
| Middle East | Israel | 6 |
| Shipment charges(KG) | Reference DHL(USD$) |
| 0.00kg-1.00kg | USD$30.00 - USD$60.00 |
| 1.00kg-2.00kg | USD$40.00 - USD$80.00 |
| 2.00kg-3.00kg | USD$50.00 - USD$100 |
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