Microchip Technology ATTINY25-15ST1
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.62 | $1.62 |
| 15+ | $1.57 | $23.55 |
| 25+ | $1.54 | $38.50 |
| 50+ | $1.45 | $72.50 |
| 100+ | $1.28 | $128.00 |
| N+ | $0.26 | 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 | 16MHz |
| Connectivity | USI |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 6 |
| Program Memory Size | 2KB (1K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 128 x 8 |
| RAM Size | 128 x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Data Converters | A/D 4x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Grade | Automotive |
| Qualification AEC | AEC-Q100 |
| Mounting Type | Surface Mount |
| Supplier Device Package | 8-SOIC |
| Package / Case | 8-SOIC (0.209", 5.30mm Width) |
The Microchip ATTINY25-15ST1 is a high-speed 8-bit AVR microcontroller with 2KB flash and 128 bytes of RAM. It operates from 2.7V to 5.5V and features a 16MHz clock, enabling responsive control in space-constrained designs. The 8-SOIC package is ideal for automated assembly. With built-in Brown-out Detect/Reset, POR, PWM, and WDT, it ensures robust operation across -40°C to 105°C.
- High-Speed AVR Core: 16MHz execution delivers real-time responsiveness for time-critical control loops.
- Extended Temperature Range: -40°C to 105°C guarantees functionality in harsh automotive or industrial settings.
- Compact SOIC Package: Saves PCB space and supports high-density designs.
- Robust Reset Management: Integrated POR and Brown-out Reset prevent system lockups during voltage dips.
Automotive Sensor Interfaces
The -40°C to 105°C range and 16MHz speed allow reliable reading of temperature or pressure sensors in engine bays.
Compact LED Drivers
With PWM and 2KB flash, it can generate smooth dimming patterns for automotive interior lighting.
Industrial Vibration Monitoring
The fast ADC (not listed but inherent to AVR) and WDT make it suitable for capturing vibration signatures in machinery.
Portable Medical Devices
Low power consumption and small SOIC footprint enable compact glucose meters or pulse oximeters.
Smart Battery Packs
Its voltage range (2.7V-5.5V) and POR features help manage charge/discharge cycles in Li-ion packs.
Consumer Electronics Remote Controls
The 16MHz core can encode IR protocols with precise timing, while the small package fits slim remote designs.
- Q: What is the maximum clock speed of the ATTINY25-15ST1?
- A: It runs at up to 16MHz, providing fast execution for its 8-bit AVR core.
- Q: What is the operating temperature range?
- A: It is rated for -40°C to 105°C, suitable for automotive and industrial environments.
- Q: How much program memory does it have?
- A: It includes 2KB of flash memory (1K x 16), enough for moderate-complexity applications.
- Q: What package is this variant?
- A: It comes in an 8-SOIC (0.209", 5.30mm width) surface-mount package.
- Q: What is the maximum clock speed of the ATTINY25-15ST1?
- A: It runs at up to 16MHz, providing fast execution for its 8-bit AVR core.
- Q: What is the operating temperature range?
- A: It is rated for -40°C to 105°C, suitable for automotive and industrial environments.
- Q: How much program memory does it have?
- A: It includes 2KB of flash memory (1K x 16), enough for moderate-complexity applications.
- Q: What package is this variant?
- A: It comes in an 8-SOIC (0.209", 5.30mm width) surface-mount package.

ATTINY25-15ST1.pdf