AT89SND2CMP3B-7FTUL
8-BIT, FLASH, 8051 CPU, 40MHZ
Embedded Microcontrollers
100-TFBGA
Active
$6.15 / unit (market reference)
MOQ: 49 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | AT89SND2CMP3B-7FTUL |
| Package / Case | 100-TFBGA |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Core Processor | 80C51 |
| Speed | 40MHz |
| Program Memory Size | 64KB (64K x 8) |
| RAM Size | 2.25K x 8 |
| Number of I/O | 32 |
| 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 | 100-CTBGA (9x9) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
AT89SND2CMP3B-7FTUL by Rochester Electronics, LLC is a 80C51 microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 100-TFBGA package fits automated SMT assembly. Operating temperature is -40°C ~ 85°C — 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 | 32 |
| Core Processor | 80C51 |
| Oscillator Type | Internal |
| Program Memory Size | 64KB (64K x 8) |
| Program Memory Type | FLASH |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 3.3V |
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