Microcontrollers
Use the filters and product table below to compare Microcontrollers components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.
If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.
| Photo | Mfr. Part # | Availability | Price | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
AT80C32X2-SLSUMIC MCU 8BIT ROMLESS 44PLCC |
4,207 | - |
|
Datasheet | 44-LCC (J-Lead) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR | 32 | - | ROMless | - | 256 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
AT80C51RA2-3CSULIC MCU 8BIT ROMLESS 40PDIL |
3,924 | - |
|
Datasheet | 40-DIP (0.600", 15.24mm) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 30/20MHz | UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 512 x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
|
|
AT80C51RA2-3CSUMIC MCU 8BIT ROMLESS 40PDIL |
1,999 | - |
|
Datasheet | 40-DIP (0.600", 15.24mm) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 512 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
|
AT80C51RA2-RLTUMIC MCU 8BIT ROMLESS 44VQFP |
1,224 | - |
|
Datasheet | 44-LQFP | 80C | Tray | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 512 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
AT80C51RA2-SLSULIC MCU 8BIT ROMLESS 44PLCC |
3,122 | - |
|
Datasheet | 44-LCC (J-Lead) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 30/20MHz | UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 512 x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
|
AT80C51RA2-SLSUMIC MCU 8BIT ROMLESS 44PLCC |
2,939 | - |
|
Datasheet | 44-LCC (J-Lead) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 512 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
AT80C51SND1C-ROTULIC MCU 8BIT ROMLESS 80TQFP |
4,332 | - |
|
Datasheet | 80-LQFP | 80C | Tray | Obsolete | Not Verified | 80C51 | 8-Bit | 40MHz | I2C, IDE/ATAPI, Memory Card, SPI, UART/USART, USB | Audio, I2S, MP3, PCM, POR, WDT | 44 | - | ROMless | - | 2.25K x 8 | 2.7V ~ 3.3V | A/D 2x10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
AT87251G2D-3CSUMIC MCU 8/16BIT 32KB OTP 40PDIL |
3,842 | - |
|
Datasheet | 40-DIP (0.600", 15.24mm) | 8x251 | Tube | Obsolete | Not Verified | C251 | 8/16-Bit | 24MHz | EBI/EMI, I2C, Microwire, SPI, UART/USART | POR, PWM, WDT | 32 | 32KB (32K x 8) | OTP | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
|
|
AT87251G2D-SLSUMIC MCU 8/16BIT 32KB OTP 44PLCC |
1,213 | - |
|
Datasheet | 44-LCC (J-Lead) | 8x251 | Tube | Obsolete | Not Verified | C251 | 8/16-Bit | 24MHz | EBI/EMI, I2C, Microwire, SPI, UART/USART | POR, PWM, WDT | 32 | 32KB (32K x 8) | OTP | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
|
AT87C51RB2-3CSULIC MCU 8BIT 16KB OTP 40PDIL |
1,539 | - |
|
Datasheet | 40-DIP (0.600", 15.24mm) | 87C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 30/20MHz | UART/USART | POR, PWM, WDT | 32 | 16KB (16K x 8) | OTP | - | 512 x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole |
Microcontrollers FAQ
Common questions about filtering, comparing and sourcing Microcontrollers components.
How can I narrow the Microcontrollers selection?
Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.
Should I confirm the datasheet before selecting a part?
Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.
Can Winsun (HK) Electronics help source a specific Microcontrollers part number?
Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.
Do you support BOM, shortage or alternative-part requirements?
Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.
