Microchip Technology ATTINY861-20SU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.52 | $2.52 |
| 15+ | $2.44 | $36.60 |
| 25+ | $2.39 | $59.75 |
| 50+ | $2.25 | $112.50 |
| 100+ | $1.99 | $199.00 |
| N+ | $0.40 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATtiny |
| Packaging | Tube | |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | USI |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 16 |
| Program Memory Size | 8KB (4K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 512 x 8 |
| RAM Size | 512 x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Data Converters | A/D 11x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 20-SOIC |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| ROHS |  |
The Microchip ATTINY861-20SU is a high-performance 8-bit AVR microcontroller in a compact 20-SOIC package. It delivers 8KB of flash memory and 512 bytes of SRAM, running at speeds up to 20MHz. With a supply voltage range of 2.7V to 5.5V, it suits both 3.3V and 5V systems. Integrated features include PWM, brown-out detection, and a watchdog timer, ensuring robust operation in demanding applications.
- High-speed 20MHz AVR core: Enables faster processing of control loops compared to lower-clocked MCUs.
- Wide voltage range (2.7V-5.5V): Simplifies power supply design, supporting both battery and regulated sources.
- Integrated PWM and WDT: Reduces external components, lowering system cost and board space.
- Extended temperature range (-40°C to 85°C): Guarantees reliable performance in harsh environments.
Industrial Sensor Node
With its 20MHz AVR core and 8KB flash, the ATTINY861-20SU can handle sensor polling and simple data processing in industrial environments, operating reliably from -40°C to 85°C.
Battery-Powered Handheld Tools
The 2.7V to 5.5V supply range allows direct operation from 3V coin cells or 5V USB sources, making it ideal for portable measurement devices.
Motor Control for Small Appliances
Integrated PWM channels and a watchdog timer enable efficient brushless DC motor commutation in compact appliances, reducing external component count.
LED Lighting Controllers
Use the PWM outputs to drive LED dimming circuits with 8-bit resolution, while the brown-out detector ensures safe shutdown during voltage dips.
Automotive Aftermarket Modules
The wide temperature range and robust I/O structure support simple automotive add-ons like window lift controllers or mirror adjusters.
Security Keypads
Its low pin count and internal oscillator reduce BOM cost for encrypted keypad entry systems, with WDT preventing code lockups.
- Q: What is the maximum operating frequency of the ATTINY861-20SU?
- A: The ATTINY861-20SU operates at up to 20MHz with a supply voltage range of 2.7V to 5.5V.
- Q: What is the program memory size?
- A: It features 8KB of in-system programmable flash memory (4K x 16 words).
- Q: What package is this device available in?
- A: It comes in a 20-pin SOIC package (0.295" width, 7.50mm).
- Q: Does it include analog comparators?
- A: Yes, it includes an analog comparator, along with PWM, WDT, and brown-out detection.
ATTINY861-20SU.pdf
- Q: What is the maximum operating frequency of the ATTINY861-20SU?
- A: The ATTINY861-20SU operates at up to 20MHz with a supply voltage range of 2.7V to 5.5V.
- Q: What is the program memory size?
- A: It features 8KB of in-system programmable flash memory (4K x 16 words).
- Q: What package is this device available in?
- A: It comes in a 20-pin SOIC package (0.295" width, 7.50mm).
- Q: Does it include analog comparators?
- A: Yes, it includes an analog comparator, along with PWM, WDT, and brown-out detection.
