AT80C51SND1C-ROTUL
IC MCU 8BIT ROMLESS 80TQFP
Embedded Microcontrollers
80-LQFP
80C
Obsolete
$8.86 / unit (market reference)
MOQ: 34 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | AT80C51SND1C-ROTUL |
| Package / Case | 80-LQFP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Core Processor | 80C51 |
| Speed | 40MHz |
| RAM Size | 2.25K x 8 |
| Number of I/O | 44 |
| Data Converters | A/D 2x10b |
| Voltage - Supply | 2.7V ~ 3.3V |
| Connectivity | I²C, IDE/ATAPI, Memory Card, SPI, UART/USART, USB |
| Peripherals | Audio, I²S, MP3, PCM, POR, WDT |
| Supplier Device Package | 80-TQFP (14x14) |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
AT80C51SND1C-ROTUL by Rochester Electronics, LLC is a 80C51 microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 80-LQFP package fits automated SMT assembly. Operating temperature is -40°C ~ 85°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 | 40MHz |
| RAM Size | 2.25K x 8 |
| Core Size | 8-Bit |
| Peripherals | Audio, I²S, MP3, PCM, POR, WDT |
| Connectivity | I²C, IDE/ATAPI, Memory Card, SPI, UART/USART, USB |
| Number of I/O | 44 |
| Core Processor | 80C51 |
| Data Converters | A/D 2x10b |
| Oscillator Type | Internal |
| Program Memory Type | ROMless |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 3.3V |
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