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For Reference Only
| Part Number | EFM8UB31F40G-A-QFN24 |
| OEMstron Part # | EFM8UB31F40G-A-QFN24 |
| Manufacturer | Silicon Labs |
| Category | Semiconductors › Embedded Processors & Controllers › Microcontrollers |
| Description | IC MCU 8BIT 40KB FLASH 24QFN |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | EFM8UB31F40G-A-QFN24 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | May 23 - May 28 (Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |  |
| Shipping |  |
EFM8UB31F40G-A-QFN24 Specifications
| Part Number | EFM8UB31F40G-A-QFN24 | |
| Brand | Silicon Labs | |
| Lifecycle | Active | |
| RoHS | No RoHS Information | |
| Product Line | Semiconductors | |
| Category | Embedded Processors & Controllers | |
| Subcategory | Microcontrollers | |
| Manufacturer | Silicon Labs | |
| Series | Universal Bee | |
| Core Processor | CIP-51 8051 | |
| Core Size | 8-Bit | |
| Speed | 48MHz | |
| Connectivity | I²C, SMBus, SPI, UART/USART, USB | |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | |
| Number of I/O | 17 | |
| Program Memory Size | 40KB (40K x 8) | |
| Program Memory Type | FLASH | |
| EEPROM Size | - | |
| RAM Size | 3.25K x 8 | |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 5.5V | |
| Data Converters | A/D 16x12b | |
| Oscillator Type | Internal | |
| Operating Temperature | -40°C ~ 85°C (TA) | |
| Mounting Type | Surface Mount | |
| Package / Case | 24-WFQFN Exposed Pad | |
| Supplier Device Package | 24-QFN (4x4) |
EFM8UB31F40G-A-QFN24 Documents
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Global Supply Chains - Reliable and Authorized Distributor Resources
| Part Number | Description | Stock |
|
EFM8UB31F40G-A-QFN24 D# V79:2366_22818197 Silicon Laboratories Inc |
8051 48 MHz 40 kB flash 3 kB RAM 8-bit Universal Bee MCU RoHS: Compliant
|
Americas - 0 |
| Part Number | Description | Stock |
|
EFM8UB31F40G-A-QFN24 D# 336-4232-ND Silicon Laboratories Inc |
IC MCU 8BIT 40KB FLASH 24QFN |
248 In Stock |
|
EFM8UB31F40G-A-QFN24R D# EFM8UB31F40G-A-QFN24R-ND Silicon Laboratories Inc |
IC MCU 8BIT 40KB FLASH 24QFN |
Temporarily Out of Stock |
| Part Number | Description | Stock |
|
EFM8UB31F40GAQFN24 Silicon Laboratories Inc |
OEM/CM QUOTES ONLY | NO BROKERS |
105 |
| Part Number | Description | Stock |
|
EFM8UB31F40G-A-QFN24 D# 634-M8UB31F40GAQFN24 Silicon Laboratories Inc |
8-bit Microcontrollers - MCU 8051 48 MHz 40 kB flash 3 kB RAM 8-bit Universal Bee MCU RoHS: Compliant
|
121 |
| Part Number | Description | Stock |
|
EFM8UB31F40GAQFN24 Silicon Labs Isolation Inc |
OEM/CM ONLY |
252 |
| Part Number | Description | Stock |
|
EFM8UB31F40G-A-QFN24 Silicon Laboratories Inc |
8051 8-bit MCU, Full Speed USB, 40kB Flash, 3kB RAM, 5 Volt, 12-bit ADC, UART, SMBus, SPI, 17 GPIOs |
Short Lead Time |
|
EFM8UB31F40G-A-QFN24R Silicon Laboratories Inc |
8051 8-bit MCU, Full Speed USB, 40kB Flash, 3kB RAM, 5 Volt, 12-bit ADC, UART, SMBus, SPI, 17 GPIOs, Reel |
Short Lead Time |
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| In Stock | 614 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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