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Chip AI consultant
| Model | Brand | Similarity | Encapsulation | Introduction | Data manual | |
|---|---|---|---|---|---|---|
EFM8UB20F64G-A-QFP48
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Silicon Labs | 功能相似 | QFP-48 |
EFM8UB 通用 Bee 微控制器，Silicon Labs 通用 Bee 微控制器 (MCU) 系列设计用于 USB 应用。 在高达 50 MHz 时工作，带管线型 8 位 C8051 芯。 多达 22 种功能，5 V 容差输入/输出引脚 低功耗 USB 支持 优先级交叉，用于柔性引脚映射 12 位模拟到数字转换器 (ADC) 和 2 个模拟比较器，带内部电压 DAC 作为参考输入 5 个 16 位计时器 集成温度传感器 2 个 UART、SPI 和 SMBus/I2C 主/从和 I2C 从 ### 8051 微控制器，Silicon Labs
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EFM8UB20F64G-B-QFP48R
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Silicon Labs | 功能相似 | TQFP-48 |
51系列 48MHz 64K@x8bit 4.25KB
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| Shipping | Dispatch time | In-stock products are generally dispatched within two business days after order confirmation. Actual transit time depends on the destination, carrier and customs clearance. |
|---|---|---|
| Shipping rates | Shipping costs are calculated based on product weight, destination and the selected delivery method. The final amount is shown in the cart or confirmed with your order. | |
| Shipping options | UPS, DHL, FedEx and SF Express are supported. Available options are subject to the order checkout page. | |
| Order tracking | A tracking number will be provided after dispatch. You can check it in your order history or track the shipment on the carrier's website. | |
| Returns & Warranty | Returns | If your order has a quantity discrepancy, an incorrect part or visible damage, please retain the original packaging and supporting evidence and contact customer service promptly. |
| Quality assurance | We take product quality and sourcing seriously. Warranty coverage, duration and return conditions are subject to the product information, order agreement and after-sales review. | |
| Ordering | How to buy | Search for a part → select the product and quantity → add to cart → submit the order → complete payment → dispatch. For products without stock or a displayed price, use “Request a Quote” to submit a BOM inquiry. |
| Payment | Online and offline payment methods displayed by the platform are supported. Final availability is subject to the checkout page and customer service confirmation. |
Q:How do I order this product?
A:Confirm the part number, brand, package and quantity, add the product to your cart, then enter your delivery and billing details, choose shipping and payment methods, and submit the order.
Q:What should I do if no price or stock is displayed?
A:Click “Request a Quote” on the product page. The part number and brand will be carried to the BOM quotation page. Enter the required quantity and contact details, and we will respond with pricing and lead time.
Q:Which payment methods are supported?
A:Payment methods shown on the checkout page are supported. For large orders or wire transfers, please contact customer service before placing the order.
Q:How is my order shipped and tracked?
A:Your order will be shipped through the selected or confirmed carrier, including UPS, DHL, FedEx or SF Express. The tracking number will be available in your order history after dispatch.
Q:How do I request after-sales support?
A:Keep the product, original packaging, labels and delivery records, take clear photos of the issue, and contact customer service promptly. We will provide a return, replacement or other solution after verification.
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