Microchip Technology ATTINY45-20PU
| 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 | 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 AEC | - |
| Mounting Type | Through Hole |
| Supplier Device Package | 8-PDIP |
| Package / Case | 8-DIP (0.300", 7.62mm) |
| ROHS |  |
The Microchip ATTINY45-20PU is a high-performance 8-bit AVR microcontroller in a compact 8-pin DIP package. It delivers 4KB of flash memory, 256 bytes of SRAM, and operates at up to 20MHz. With a wide 2.7V to 5.5V supply range and integrated features like PWM, brown-out detection, and a watchdog timer, this MCU is ideal for space-constrained, cost-sensitive embedded applications requiring reliable performance.
- Wide Voltage Range (2.7V-5.5V): Simplifies power design by supporting both 3.3V and 5V logic systems without level shifters.
- High Speed at 20MHz: Executes instructions quickly for real-time control tasks, improving system responsiveness.
- Integrated PWM and WDT: Reduces external component count, lowering BOM cost and board space.
- Extended Temperature Range (-40°C to 85°C): Ensures reliable operation in industrial and outdoor environments.
- Through-Hole DIP Package: Facilitates easy prototyping and manual assembly, ideal for low-volume production.
Battery-Powered Sensor Nodes
The 2.7V-5.5V supply range and low-power sleep modes allow the ATTINY45-20PU to run for extended periods on coin cells or AA batteries in environmental monitoring systems.
LED Lighting Controllers
With built-in PWM channels and 20MHz speed, this MCU can generate smooth dimming and color-mixing patterns for RGB LED strips and decorative lighting.
Motor Control for Small DC Motors
The PWM outputs and WDT enable simple speed control and fault recovery in toy motors, cooling fans, and small pumps without external components.
Portable Consumer Electronics
Its 8-pin DIP package and 4KB flash make it perfect for simple user-interface controllers in remote controls, timers, and small gadgets.
Automotive Aftermarket Accessories
Operating from -40°C to 85°C, it can handle under-hood or cabin temperature extremes for add-on lighting, alarm sensors, or seat-heater controls.
Educational Prototyping
The through-hole DIP package is breadboard-friendly, allowing students and hobbyists to quickly build and test AVR-based projects with minimal soldering.
- Q: What is the operating voltage range of the ATTINY45-20PU?
- A: The ATTINY45-20PU operates from 2.7V to 5.5V, making it suitable for battery-powered and 3.3V/5V systems.
- Q: How much flash memory does this MCU have?
- A: It features 4KB of in-system programmable flash memory (2K x 16 bits) for code storage.
- Q: What package is the ATTINY45-20PU available in?
- A: It comes in an 8-pin DIP (0.300", 7.62mm) package, ideal for through-hole prototyping and breadboards.
- Q: Does it include a watchdog timer?
- A: Yes, it has a programmable Watchdog Timer (WDT) with separate on-chip oscillator for reliable operation.
- Q: What is the maximum clock speed?
- A: The maximum operating frequency is 20MHz, providing fast processing for its class.
ATTINY45-20PU.pdf
- Q: What is the operating voltage range of the ATTINY45-20PU?
- A: The ATTINY45-20PU operates from 2.7V to 5.5V, making it suitable for battery-powered and 3.3V/5V systems.
- Q: How much flash memory does this MCU have?
- A: It features 4KB of in-system programmable flash memory (2K x 16 bits) for code storage.
- Q: What package is the ATTINY45-20PU available in?
- A: It comes in an 8-pin DIP (0.300", 7.62mm) package, ideal for through-hole prototyping and breadboards.
- Q: Does it include a watchdog timer?
- A: Yes, it has a programmable Watchdog Timer (WDT) with separate on-chip oscillator for reliable operation.
- Q: What is the maximum clock speed?
- A: The maximum operating frequency is 20MHz, providing fast processing for its class.
