Microchip Technology ATTINY85-20SUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.49 | $2.49 |
| 15+ | $2.41 | $36.15 |
| 25+ | $2.36 | $59.00 |
| 50+ | $2.23 | $111.50 |
| 100+ | $1.97 | $197.00 |
| N+ | $0.39 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATtiny, Functional Safety (FuSa) |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | USI |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 6 |
| 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 4x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 8-SOIC |
| Package / Case | 8-SOIC (0.209", 5.30mm Width) |
| ROHS |
The Microchip ATTINY85-20SUR is a high-speed 8-bit AVR microcontroller with 8KB flash and 512B SRAM. Operating from 2.7V to 5.5V at 20MHz, it integrates brown-out detection, POR, PWM, and WDT. The 8-SOIC package is ideal for performance-oriented compact designs.
- High speed: 20MHz for time-critical applications.
- Wide voltage range: 2.7V-5.5V compatible with 3.3V and 5V logic.
- Compact size: 8-SOIC for space-limited PCBs.
- Integrated safety: BOD and WDT enhance system reliability.
High-Speed Motor Drivers
20MHz clock provides fast PWM for small drone or fan speed controllers.
Power Tools
5V operation and robust WDT handle trigger control in cordless drills.
Lighting Systems
High-frequency PWM enables flicker-free dimming for automotive LED modules.
Industrial Timers
Accurate 20MHz timing supports precision delay relays.
Consumer Gaming Peripherals
Fast response and small package fit gaming mice or keyboard controllers.
Battery Chargers
5V logic simplifies interfacing with charging ICs for NiMH or Li-ion packs.
- Q: What is the supply voltage?
- A: 2.7V to 5.5V.
- Q: What is the max speed?
- A: 20MHz.
- Q: How much flash?
- A: 8KB.
- Q: What package?
- A: 8-SOIC.
- Q: Does it have PWM?
- A: Yes.
- Q: What is the supply voltage?
- A: 2.7V to 5.5V.
- Q: What is the max speed?
- A: 20MHz.
- Q: How much flash?
- A: 8KB.
- Q: What package?
- A: 8-SOIC.
- Q: Does it have PWM?
- A: Yes.

ATTINY85-20SUR.pdf