Microchip Technology ATTINY45-20XUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.46 | $1.46 |
| 15+ | $1.42 | $21.30 |
| 25+ | $1.39 | $34.75 |
| 50+ | $1.31 | $65.50 |
| 100+ | $1.16 | $116.00 |
| N+ | $0.23 | 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-TSSOP |
| Package / Case | 8-TSSOP (0.173", 4.40mm Width) |
| ROHS |  |
The Microchip ATTINY45-20XUR is an 8-bit AVR microcontroller that delivers efficient performance in a tiny 8-TSSOP package. Operating at up to 20MHz with a supply voltage range of 2.7V to 5.5V, it provides 4KB of flash memory and 256 bytes of SRAM. Its integrated peripherals, including PWM, brown-out detection, and a watchdog timer, make it a versatile choice for cost-sensitive embedded control tasks.
- Low Power Consumption: The AVR core with multiple sleep modes extends battery life in portable applications.
- Compact Footprint: The 8-TSSOP package saves board space without sacrificing functionality.
- Wide Voltage Range: Supports both 3.3V and 5V logic, simplifying system integration.
- Integrated Analog Comparator: Reduces external component count for threshold sensing applications.
Battery-Powered Sensor Nodes
The 2.7V to 5.5V supply range and low-power sleep modes make it ideal for intermittent sensor readings in remote or wearable devices.
LED Lighting Control
With built-in PWM channels and a 20MHz AVR core, it can generate smooth dimming curves and color mixing for RGB LED applications.
Motor Speed Controllers
Its PWM outputs and robust I/O structure allow for simple open-loop speed control of small DC motors in toys or fans.
Portable Consumer Electronics
The compact 8-TSSOP package and low pin count simplify PCB layout for handheld gadgets like game controllers or remote controls.
Automotive Aftermarket Add-ons
Operating up to 85°C, it can handle under-dash or cabin-mounted modules for lighting or window control in classic cars.
Industrial Sensing Interfaces
The analog comparator and WDT enable simple threshold detection and fault monitoring in industrial proximity switches.
- Q: What is the operating voltage range of the ATTINY45-20XUR?
- A: It operates from 2.7V to 5.5V, making it suitable for battery-powered and 3.3V/5V systems.
- Q: What is the maximum clock speed?
- A: The maximum clock speed is 20MHz, providing a good balance of performance and power consumption.
- Q: How much program memory does it have?
- A: It features 4KB of in-system programmable flash memory (2K x 16 bits).
- Q: What package is this device available in?
- A: It comes in an 8-TSSOP (4.40mm width) package, ideal for space-constrained designs.
- Q: Does it include analog comparators?
- A: Yes, it includes an analog comparator along with PWM, WDT, and brown-out detection.
ATTINY45-20XUR.pdf
- Q: What is the operating voltage range of the ATTINY45-20XUR?
- A: It operates from 2.7V to 5.5V, making it suitable for battery-powered and 3.3V/5V systems.
- Q: What is the maximum clock speed?
- A: The maximum clock speed is 20MHz, providing a good balance of performance and power consumption.
- Q: How much program memory does it have?
- A: It features 4KB of in-system programmable flash memory (2K x 16 bits).
- Q: What package is this device available in?
- A: It comes in an 8-TSSOP (4.40mm width) package, ideal for space-constrained designs.
- Q: Does it include analog comparators?
- A: Yes, it includes an analog comparator along with PWM, WDT, and brown-out detection.
