AT90PWM81-16SN
IC MCU 8BIT 8KB FLASH 20SOIC
Embedded Microcontrollers
20-SOIC (0.295", 7.50mm Width)
AVR® 90PWM Lighting
Active
$2.48 / unit (market reference)
MOQ: 122 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | AT90PWM81-16SN |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Core Processor | AVR |
| Speed | 16MHz |
| Program Memory Size | 8KB (8K x 8) |
| RAM Size | 256 x 8 |
| Number of I/O | 16 |
| Data Converters | A/D 8x10b; D/A 1x10b |
| Voltage - Supply | 2.7V ~ 5.5V |
| Connectivity | SPI |
| Peripherals | Brown-out Detect/Reset, PWM, WDT |
| Supplier Device Package | 20-SOIC |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
AT90PWM81-16SN by Rochester Electronics, LLC is a AVR microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 20-SOIC (0.295", 7.50mm Width) package fits automated SMT assembly. Operating temperature is -40°C ~ 105°C (TA) — verify your application environment. Pin-compatible domestic alternatives include GigaDevice GD32 series and Artery AT32 series — note GD32 ADC specs may differ slightly from ST originals.
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All Technical Specifications
| Speed | 16MHz |
| RAM Size | 256 x 8 |
| Core Size | 8-Bit |
| EEPROM Size | 512 x 8 |
| Peripherals | Brown-out Detect/Reset, PWM, WDT |
| Connectivity | SPI |
| Number of I/O | 16 |
| Core Processor | AVR |
| Data Converters | A/D 8x10b; D/A 1x10b |
| Oscillator Type | Internal |
| Program Memory Size | 8KB (8K x 8) |
| Program Memory Type | FLASH |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
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