Atmel ATTINY20-XU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.21 | $1.21 |
| 15+ | $1.17 | $17.55 |
| 25+ | $1.14 | $28.50 |
| 50+ | $1.08 | $54.00 |
| 100+ | $0.95 | $95.00 |
| N+ | $0.19 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Atmel |
| Product Series | AVR® ATtiny |
| Packaging | Bulk | |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 12MHz |
| Connectivity | I2C, SPI |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 12 |
| Program Memory Size | 2KB (1K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 128 x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 14-TSSOP |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) |
| ROHS |  |
The ATTINY20-XU from Atmel is an 8-bit AVR microcontroller in a compact 14-pin TSSOP. It operates from 1.8V to 5.5V at up to 12MHz, with 2KB flash and 128 bytes of SRAM. Built-in brown-out detection, POR, and WDT enhance reliability for cost-sensitive embedded applications.
- Ultra-Compact TSSOP-14: Fits tight PCB layouts for miniaturized designs.
- Low-Voltage Operation (1.8V): Extends battery life in portable devices.
- 12MHz Performance: Adequate for real-time control loops without excess power draw.
- Integrated Safety Features: BOD, POR, and WDT reduce external components and improve system robustness.
Small Form-Factor Wearables
The 14-TSSOP package and 2KB flash make it suitable for simple fitness bands or smart rings, running at 12MHz with low power consumption.
Battery Management in Toys
With 1.8V minimum operation, it can run directly from two AA batteries. PWM outputs control motors or LEDs, while WDT prevents lockups.
Sensor Signal Conditioning
For analog sensors, the ATTINY20-XU can read and process signals at 12MHz, providing digital output via GPIO. Its small size fits on sensor modules.
Automotive Aftermarket Accessories
Operating from -40°C to 85°C, it handles interior lighting control or window switch logic in vehicles, with brown-out detection for stable operation.
Simple IoT Endpoints
For basic telemetry, this MCU can wake periodically, read a sensor, and transmit via external radio. The 128 bytes of RAM suffice for small data packets.
Power Tool Safety Interlocks
With POR and WDT, it monitors switch states and enables motor drivers only under safe conditions, ensuring reliable operation in dusty environments.
- Q: What is the maximum clock speed of the ATTINY20-XU?
- A: It runs at 12MHz with a supply voltage from 1.8V to 5.5V.
- Q: How much program memory does it have?
- A: It has 2KB of flash memory (1K x 16 words).
- Q: What package is this device available in?
- A: It comes in a 14-pin TSSOP package.
- Q: Does it include a watchdog timer?
- A: Yes, it has a WDT along with brown-out detection and POR.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 85°C.
ATTINY20-XU.pdf
- Q: What is the maximum clock speed of the ATTINY20-XU?
- A: It runs at 12MHz with a supply voltage from 1.8V to 5.5V.
- Q: How much program memory does it have?
- A: It has 2KB of flash memory (1K x 16 words).
- Q: What package is this device available in?
- A: It comes in a 14-pin TSSOP package.
- Q: Does it include a watchdog timer?
- A: Yes, it has a WDT along with brown-out detection and POR.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 85°C.
