Microchip Technology ATTINY45-20SU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.30 | $1.30 |
| 15+ | $1.26 | $18.90 |
| 25+ | $1.23 | $30.75 |
| 50+ | $1.16 | $58.00 |
| 100+ | $1.03 | $103.00 |
| N+ | $0.21 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATtiny, Functional Safety (FuSa) |
| Packaging | Tube | Tube |
| 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 | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 8-SOIC |
| Package / Case | 8-SOIC (0.209", 5.30mm Width) |
| ROHS |  |
The ATTINY45-20SU is a compact 8-bit AVR microcontroller from Microchip, operating from 2.7V to 5.5V. Running at 20MHz, it delivers solid performance for small applications. With 4KB flash and 256 bytes RAM, it is ideal for simple control tasks. The 8-SOIC package is easy to solder, and integrated PWM, Brown-out Reset, and WDT enhance reliability.
- Compact 8-SOIC package – easy to integrate into small PCBs.
- 20MHz speed – fast enough for real-time PWM and sensor reading.
- Wide voltage range (2.7-5.5V) – compatible with common logic levels.
- Low power consumption – extends battery life in portable devices.
LED Lighting Effects
PWM channels can drive RGB LEDs for color mixing, with 20MHz speed enabling smooth animations.
Battery-Powered Toys
Low power consumption and 2.7V operation extend battery life in remote-controlled cars or interactive toys.
Simple Motor Controllers
It can generate PWM signals for brushed DC motors, with WDT preventing lockups in stalled conditions.
Sensor Interfaces
With 4KB flash, it can read analog sensors and communicate via I2C or SPI to a host controller.
Power Tools
5.5V operation and robust BOR make it suitable for trigger control in cordless drills.
Signal Generators
Its 20MHz speed allows generation of simple waveforms for testing and hobby projects.
- Q: What is the supply voltage?
- A: It operates from 2.7V to 5.5V, suitable for 3.3V and 5V systems.
- Q: What is the maximum speed?
- A: The AVR core runs at up to 20MHz.
- Q: What package is this?
- A: It is in an 8-SOIC (5.30mm width) package.
- Q: Does it have PWM?
- A: Yes, it includes PWM, BOR, POR, and WDT.
ATTINY45-20SU.pdf
- Q: What is the supply voltage?
- A: It operates from 2.7V to 5.5V, suitable for 3.3V and 5V systems.
- Q: What is the maximum speed?
- A: The AVR core runs at up to 20MHz.
- Q: What package is this?
- A: It is in an 8-SOIC (5.30mm width) package.
- Q: Does it have PWM?
- A: Yes, it includes PWM, BOR, POR, and WDT.
