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For Reference Only
| Part Number | EFM32LG940F256-QFN64 |
| OEMstron Part # | EFM32LG940F256-QFN64 |
| Manufacturer | Silicon Labs |
| Category | Semiconductors › Embedded Processors & Controllers › Microcontrollers |
| Description | IC MCU 32BIT 256KB FLASH 64QFN |
| Lifecycle | Obsolete |
| RoHS | No RoHS Information |
| EDA/CAD Models | EFM32LG940F256-QFN64 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Nov 24 - Nov 29 (Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |  |
| Shipping |  |
EFM32LG940F256-QFN64 Specifications
| Part Number | EFM32LG940F256-QFN64 | |
| Brand | Silicon Labs | |
| Lifecycle | Obsolete | |
| RoHS | No RoHS Information | |
| Product Line | Semiconductors | |
| Category | Embedded Processors & Controllers | |
| Subcategory | Microcontrollers | |
| Manufacturer | Silicon Labs | |
| Series | Leopard Gecko | |
| Core Processor | ARM® Cortex®-M3 | |
| Core Size | 32-Bit | |
| Speed | 48MHz | |
| Connectivity | I²C, IrDA, SmartCard, SPI, UART/USART, USB | |
| Peripherals | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | |
| Number of I/O | 53 | |
| Program Memory Size | 256KB (256K x 8) | |
| Program Memory Type | FLASH | |
| EEPROM Size | - | |
| RAM Size | 32K x 8 | |
| Voltage - Supply (Vcc/Vdd) | 1.85V ~ 3.8V | |
| Data Converters | A/D 8x12b; D/A 2x12b | |
| Oscillator Type | Internal | |
| Operating Temperature | -40°C ~ 85°C (TA) | |
| Mounting Type | Surface Mount | |
| Package / Case | 64-WFQFN Exposed Pad | |
| Supplier Device Package | 64-QFN (9x9) |
EFM32LG940F256-QFN64 Documents
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Global Supply Chains - Reliable and Authorized Distributor Resources
| Part Number | Description | Stock |
|
EFM32LG940F256-QFN64T Silicon Laboratories Inc |
MCU 32-bit EFM32 ARM Cortex M3 RISC 256KB Flash 2.5V/3.3V 64-Pin QFN EP |
100 |
|
EFM32LG940F256-QFN64 Silicon Laboratories Inc |
MCU, 32BIT, CORTEX-M3, 48MHZ, QFN-64 |
969 |
| Part Number | Description | Stock |
|
EFM32LG940F256-QFN64T D# EFM32LG940F256-QFN64T-ND Silicon Laboratories Inc |
IC MCU 32BIT 256KB FLASH 64QFN |
Limited Supply - Call |
|
EFM32LG940F256-QFN64 D# 914-1057-2-ND Silicon Laboratories Inc |
IC MCU 32BIT 256KB FLASH 64QFN |
Limited Supply - Call |
| Part Number | Description | Stock |
|
EFM32LG940F256QFN64T Vishay Siliconix |
OEM/CM QUOTES ONLY | NO BROKERS |
46 |
| Part Number | Description | Stock |
|
EFM32LG940F256-QFN64T D# NS-EFM32LG940F256-QFN64T Silicon Laboratories Inc |
OEM/CM ONLY |
8614 |
|
EFM32LG940F256-QFN64 D# NS-EFM32LG940F256-QFN64 Silicon Laboratories Inc |
OEM/CM ONLY |
8281 |
| Part Number | Description | Stock |
|
EFM32LG940F256-QFN64T D# EFM32LG940F256-QFN64T Silicon Laboratories Inc |
Semiconductor |
38 |
| Part Number | Description | Stock |
|
EFM32LG940F256QFN64T Energy Micro AS |
OEM/CM ONLY |
94 |
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| In Stock | 257 - More on Order |
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| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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