Microchip Technology ATTINY45-20SUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.35 | $1.35 |
| 15+ | $1.31 | $19.65 |
| 25+ | $1.28 | $32.00 |
| 50+ | $1.21 | $60.50 |
| 100+ | $1.07 | $107.00 |
| N+ | $0.21 | 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 | 4KB (2K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 256 x 8 |
| RAM Size | 256 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 ATTINY45-20SUR is an 8-bit AVR microcontroller from Microchip Technology, offering 4KB Flash and 256 bytes SRAM in an 8-SOIC package. Operating from 2.7V to 5.5V at up to 20MHz, it integrates PWM, brown-out reset, and watchdog timer. This MCU balances performance and size for demanding embedded applications.
- Double the Flash of ATtiny25 (4KB) – Allows more complex firmware and data tables.
- 20MHz single-cycle execution – Handles real-time tasks like motor commutation efficiently.
- Compact 8-SOIC footprint – Saves board space in high-density designs.
- Integrated safety features – Brown-out detect and WDT improve field reliability.
RGB LED Controllers
With 4KB Flash and multiple PWM channels, it can drive RGB LEDs with smooth color transitions in gaming peripherals.
Small Pump Controllers
The 20MHz speed and 5.5V operation allow direct control of miniature pumps in medical or lab equipment.
Wireless Sensor Nodes
Its low power and 256B SRAM support efficient data buffering for RF transceivers in IoT applications.
Brushless DC Motor Commutation
Fast PWM and interrupt handling enable sensorless BLDC control in drones and cooling fans.
Battery-Powered Timers
The brown-out detector ensures reliable countdown timers in kitchen appliances.
Analog Signal Conditioning
Its ADC and PWM can implement simple digital filters for audio or vibration sensing.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: What is the maximum clock frequency?
- A: The ATTINY45-20SUR runs at up to 20MHz.
- Q: How much program memory is available?
- A: It has 4KB (2K x 16) Flash and 256 bytes of SRAM.
- Q: What package does it come in?
- A: It is available in an 8-SOIC package (0.209" width).
- Q: Does it have analog comparators?
- A: Yes, it includes PWM, brown-out detect, POR, and WDT.
ATTINY45-20SUR.pdf
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: What is the maximum clock frequency?
- A: The ATTINY45-20SUR runs at up to 20MHz.
- Q: How much program memory is available?
- A: It has 4KB (2K x 16) Flash and 256 bytes of SRAM.
- Q: What package does it come in?
- A: It is available in an 8-SOIC package (0.209" width).
- Q: Does it have analog comparators?
- A: Yes, it includes PWM, brown-out detect, POR, and WDT.
