ATTINY25-20SU Microchip Integrated Circuit (Small Outline Packages) In Stock
The ATTINY25-20SU is an 8-bit AVR RISC microcontroller running at up to 20MHz with 2KB Flash, 128B RAM, I2C, and SPI interfaces in a compact 8-Pin SOIC package. It operates from a minimum supply of 2.7V at 10MHz and includes an integrated ADC for analog sensing applications. Available from authorized distributors worldwide with competitive pricing and ready stock.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- ATTINY25-20SU Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3517(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit AVR RISC architecture running at up to 20MHz delivers efficient performance for embedded control and sensor interface tasks
- Integrated ADC enables direct analog signal acquisition without external conversion hardware in compact designs
- Low minimum supply voltage of 2.7V at 10MHz extends battery life in portable and energy-harvesting applications
- I2C and SPI communication interfaces plus 2KB Flash and 128B RAM provide full connectivity and sufficient code space in a tiny 8-Pin SOIC package
Applications
The ATTINY25-20SU is ideal for space-constrained embedded applications such as sensor nodes, LED controllers, and small home automation modules where a full-featured microcontroller is needed in the smallest possible package. It is widely used in wearable electronics, battery-powered IoT devices, and USB HID accessories that require low power consumption and built-in analog measurement. The device is also popular for educational prototyping with Arduino-compatible toolchains and in custom firmware development for consumer electronics.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIJ-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 14 |
| Has ADC | YES |
| Additional Feature | OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | AVR RISC |
| Clock Frequency-Max | 20MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 6 |
| Number of Timers | 2 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 128 |
| ROM (words) | 2048 |
| ROM Programmability | FLASH |
| Speed | 20MHz |
| Supply Current-Max | 8mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for ATTINY25-20SU:
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PDSO8
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PDSO8
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PDSO8
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PDSO8
Frequently Asked Questions
What is the maximum clock frequency of the ATTINY25-20SU?
The ATTINY25-20SU operates at a maximum clock frequency of 20MHz, providing sufficient processing speed for most embedded control, sensor reading, and communication tasks while maintaining low power consumption.
What memory does the ATTINY25-20SU include?
The ATTINY25-20SU includes 2KB of Flash program memory and 128 bytes of SRAM, which is adequate for compact firmware managing sensor acquisition, simple state machines, and serial communication protocols.
What communication interfaces does the ATTINY25-20SU support?
The ATTINY25-20SU supports I2C (TWI) and SPI serial communication interfaces, allowing it to connect to a wide range of sensors, displays, EEPROMs, and other peripherals commonly used in embedded system designs.
What package is the ATTINY25-20SU available in?
The ATTINY25-20SU is available in an 8-Pin SOIC (Small Outline Integrated Circuit) package, which is suitable for surface-mount PCB assembly and fits into very small board areas while remaining hand-solderable for prototyping.
Can the ATTINY25-20SU be programmed with the Arduino IDE?
Yes, the ATTINY25-20SU is supported by Arduino-compatible toolchains using the ATTinyCore or similar board support packages, making it accessible to hobbyists and engineers who prefer the Arduino ecosystem for rapid firmware development.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.3517 | $0.35 |
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