Microchip Technology ATTINY25-20SSNR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.99 | $0.99 |
| 15+ | $0.96 | $14.40 |
| 25+ | $0.94 | $23.50 |
| 50+ | $0.88 | $44.00 |
| 100+ | $0.78 | $78.00 |
| N+ | $0.16 | 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 | 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 | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 8-SOIC |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| ROHS |
The ATTINY25-20SSNR is an 8-bit AVR microcontroller in a compact 8-SOIC package. It features 2KB of flash memory and 128 bytes of SRAM, running at up to 20MHz. With a supply range of 2.7V to 5.5V and an extended temperature range to 105°C, it is designed for demanding embedded applications. Integrated PWM, brown-out detection, and watchdog timer reduce external component count.
- 20MHz performance – handles time-critical control loops and fast PWM updates.
- Extended temperature range (-40°C to 105°C) – reliable in harsh environments.
- Integrated brown-out detection – prevents erratic behavior during power dips.
- Small 8-SOIC footprint – saves board space in space-constrained designs.
Motor Speed Controllers
20MHz speed and hardware PWM enable precise duty-cycle control for small DC fans.
Automotive Sensor Interfaces
105°C rating and brown-out detection make it suitable for engine bay sensors.
LED Dimming Modules
2KB flash stores multiple dimming curves; PWM output drives MOSFET for LED strips.
Power Supply Monitoring
Brown-out reset ensures safe microcontroller shutdown during voltage sags.
Portable Instrumentation
2.7V minimum operation allows 3-cell NiMH or single Li-ion battery use.
Smart Switches
8-SOIC package fits compact PCB layouts for touch-sensitive or proximity switches.
- Q: What is the maximum clock speed?
- A: 20MHz.
- Q: What is the operating temperature range?
- A: -40°C to 105°C.
- Q: Does it have PWM?
- A: Yes, PWM is included.
- Q: What is the RAM size?
- A: 128 bytes.
- Q: What is the maximum clock speed?
- A: 20MHz.
- Q: What is the operating temperature range?
- A: -40°C to 105°C.
- Q: Does it have PWM?
- A: Yes, PWM is included.
- Q: What is the RAM size?
- A: 128 bytes.

ATTINY25-20SSNR.pdf