For Reference Only
| Part Number | ATTINY43U-MU |
| Manufacturer | Microchip Technology |
| Category | Integrated Circuits (ICs) › Microcontrollers |
| Description | IC MCU 8BIT 4KB FLASH 20QFN |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | ATTINY43U-MU PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 19 - Dec 23 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment | 
|
| Shipping |  |
| Part Number: | ATTINY43U-MU |
| Brand: | Microchip Technology |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | Microcontrollers |
| Manufacturer: | Microchip Technology |
| Product Status: | Active |
| Core Processor: | AVR |
| Core Size: | 8-Bit |
| Speed: | 8MHz |
| Connectivity: | USI |
| Peripherals: | Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT |
| Number of I/O: | 16 |
| Program Memory Size: | 4KB (2K x 16) |
| Program Memory Type: | FLASH |
| EEPROM Size: | 64 x 8 |
| RAM Size: | 256 x 8 |
| Voltage - Supply (Vcc/Vdd): | 1.8V ~ 5.5V |
| Data Converters: | A/D 4x10b |
| Oscillator Type: | Internal |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 20-WFQFN Exposed Pad |
| Supplier Device Package: | 20-QFN-EP (4x4) |
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| In Stock | 33610 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $1.99000 | $1.99 |
| 25 | $1.82320 | $45.58 |
| 100 | $1.64800 | $164.8 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.
