Microcontrollers
Review Microcontrollers Embedded components in this filtered selection. Compare manufacturer information, availability, pricing, datasheets and key specifications to narrow down suitable parts for your application.
If the exact part or specification you need is not listed, send the manufacturer part number, target parameters and quantity to ICMENU for sourcing and quotation support.
| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Package/Case | Series | Packaging | Product Status | Programmable | Core Processor | Core Size | Speed | Connectivity | Peripherals | Number of I/O | Program Memory Size | Program Memory Type | EEPROM Size | RAM Size | Voltage - Supply (Vcc/Vdd) | Data Converters | Oscillator Type | Operating Temperature | Grade | Qualification | Mounting Type | Supplier Device Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NUC123LC2AN1IC MCU 32BIT 36KB FLASH 48LQFP |
4,949 |
|
Datasheet | 48-LQFP | NuMicro™ NUC123 | Tray | Active | Not Verified | ARM® Cortex®-M0 | 32-Bit Single-Core | 72MHz | I2C, IrDA, SPI, UART/USART, USB | Brown-out Detect/Reset, DMA, I2S, LVD, POR, PS2, PWM, WDT | 36 | 36KB (36K x 8) | FLASH | - | 12K x 8 | 2.5V ~ 5.5V | A/D 8x10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
M252LC2AEM23-32KFLASH+8KRAM+UART+SPI+I2C+ |
2,702 |
|
Datasheet | 48-LQFP | NuMicro™ M252 | Tray | Active | - | ARM® Cortex®-M23 | 32-Bit | 48MHz | I2C, IrDA, LINbus, QSPI, SPI, UART/USART | Brown-out Detect/Reset, DMA, I2S, LVR, POR, PWM, WDT | 41 | 32KB (32K x 8) | FLASH | - | 8K x 8 | 1.75V ~ 5.5V | A/D 12x12b SAR | External, Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
|
|
ML54LD1AEIC MCU 8BIT 64KB FLASH 48LQFP |
1,665 |
|
Datasheet | 48-LQFP | NuMicro™ ML54 | Tray | Active | - | 8051 | 8-Bit | 24MHz | I2C, SmartCard, SPI, UART/USART | Brown-out Detect/Reset, LVR, POR, PWM, WDT | 42 | 64KB (64K x 8) | FLASH | - | 4K x 8 | 1.8V ~ 5.5V | A/D 10x12b SAR | Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
|
M030LD2AEIC MCU 64KB FLASH |
3,218 |
|
Datasheet | - | - | Tray | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
|
ML51SD1AE64KB FLASH ROM, 4KB SRAM, 2 CHS |
2,094 |
|
Datasheet | 64-LQFP | NuMicro™ ML51 | Tray | Active | - | 8051 | 8-Bit | 24MHz | I2C, SmartCard, SPI, UART/USART | Brown-out Detect/Reset, LVR, POR, PWM, WDT | 56 | 64KB (64K x 8) | FLASH | - | 4K x 8 | 1.8V ~ 5.5V | A/D 14x12b SAR | Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
|
|
M251LC2AEM23-32KFLASH+8KRAM+UART+SPI+I2C+ |
3,818 |
|
Datasheet | 48-LQFP | NuMicro™ M251 | Tray | Active | - | ARM® Cortex®-M23 | 32-Bit | 48MHz | I2C, IrDA, LINbus, QSPI, SPI, UART/USART | Brown-out Detect/Reset, DMA, I2S, LVR, POR, PWM, WDT | 41 | 32KB (32K x 8) | FLASH | - | 8K x 8 | 1.75V ~ 5.5V | A/D 12x12b SAR | External, Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
|
N79E823ARGIC MCU 8BIT 4KB FLASH 20SSOP |
4,002 |
|
Datasheet | 20-SSOP (0.209", 5.30mm Width) | N79 | Tube | Not For New Designs | Not Verified | 8051 | 8-Bit | 20MHz | I2C, UART/USART | Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT | 18 | 4KB (4K x 8) | FLASH | 256 x 8 | 256 x 8 | 2.7V ~ 5.5V | A/D 4x10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
W78E051DFGIC MCU 8BIT 4KB FLASH 44QFP |
2,618 |
|
Datasheet | 44-BQFP | W78 | Tray | Not For New Designs | Not Verified | 8052 | 8-Bit | 40MHz | EBI/EMI, UART/USART | POR, WDT | 36 | 4KB (4K x 8) | FLASH | - | 256 x 8 | 2.4V ~ 5.5V | - | External | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
M251EC2AEM23-32KFLASH+8KRAM+UART+SPI+I2C+ |
1,916 |
|
Datasheet | 28-TSSOP (0.173", 4.40mm Width) | NuMicro™ M251 | Tube | Active | - | ARM® Cortex®-M23 | 32-Bit | 48MHz | I2C, IrDA, LINbus, QSPI, SPI, UART/USART | Brown-out Detect/Reset, DMA, LVR, POR, PWM, WDT | 23 | 32KB (32K x 8) | FLASH | - | 8K x 8 | 1.75V ~ 5.5V | A/D 9x12b SAR | External, Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
|
|
M252EC2AEM23-32KFLASH+8KRAM+UART+SPI+I2C+ |
1,853 |
|
Datasheet | 28-TSSOP (0.173", 4.40mm Width) | NuMicro™ M252 | Tube | Active | - | ARM® Cortex®-M23 | 32-Bit | 48MHz | I2C, IrDA, LINbus, QSPI, SPI, UART/USART | Brown-out Detect/Reset, DMA, LVR, POR, PWM, WDT | 23 | 32KB (32K x 8) | FLASH | - | 8K x 8 | 1.75V ~ 5.5V | A/D 9x12b SAR | External, Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount |
Frequently Asked Questions
What are Microcontrollers components used for?
Microcontrollers components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right Microcontrollers part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can ICMENU help source obsolete or hard-to-find Microcontrollers parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. ICMENU will review your request and provide available stock, pricing and sourcing information.