Nuvoton Technology Corporation of America20-SOIC (0.295", 7.50mm Width)RoHS
ML51OB9AE
IC MCU 8BIT 16KB FLASH 20SOP
Category
Subcategory
Embedded Microcontrollers
Package
20-SOIC (0.295", 7.50mm Width)
Series
NuMicro ML51
Status
Not For New Designs
$1.35 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Nuvoton Technology Corporation of America |
| Model | ML51OB9AE |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Core Processor | 8051 |
| Speed | 24MHz |
| Program Memory Size | 16KB (16K x 8) |
| RAM Size | 1K x 8 |
| Number of I/O | 16 |
| Data Converters | A/D 6x12b SAR |
| Voltage - Supply | 1.8V ~ 5.5V |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, LVR, POR, PWM, WDT |
| Supplier Device Package | 20-SOP |
| RoHS | RoHS |
| Part Status | Not For New Designs |
Application & Notes
ML51OB9AE by Nuvoton Technology Corporation of America is a 8051 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 | 24MHz |
| RAM Size | 1K x 8 |
| Core Size | 8-Bit |
| Peripherals | Brown-out Detect/Reset, LVR, POR, PWM, WDT |
| Connectivity | I²C, SPI, UART/USART |
| Number of I/O | 16 |
| Core Processor | 8051 |
| Data Converters | A/D 6x12b SAR |
| Oscillator Type | Internal |
| Program Memory Size | 16KB (16K x 8) |
| Program Memory Type | FLASH |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
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