Microcontrollers
Browse available Microcontrollers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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P87LPC768BD,512IC MCU 8BIT 4KB OTP 20SO |
2,324 | - |
|
Datasheet | 20-SOIC (0.295", 7.50mm Width) | LPC700 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 20MHz | I2C, UART/USART | Brown-out Detect/Reset, LED, POR, PWM, WDT | 18 | 4KB (4K x 8) | OTP | - | 128 x 8 | 2.7V ~ 6V | A/D 4x8b | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
|
P87LPC768FD,512IC MCU 8BIT 4KB OTP 20SO |
2,353 | - |
|
Datasheet | 20-SOIC (0.295", 7.50mm Width) | LPC700 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 20MHz | I2C, UART/USART | Brown-out Detect/Reset, LED, POR, PWM, WDT | 18 | 4KB (4K x 8) | OTP | - | 128 x 8 | 2.7V ~ 6V | A/D 4x8b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
P87LPC768FN,112IC MCU 8BIT 4KB OTP 20DIP |
3,794 | - |
|
Datasheet | 20-DIP (0.300", 7.62mm) | LPC700 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 20MHz | I2C, UART/USART | Brown-out Detect/Reset, LED, POR, PWM, WDT | 18 | 4KB (4K x 8) | OTP | - | 128 x 8 | 2.7V ~ 6V | A/D 4x8b | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
|
P89LPC9221FN,112IC MCU 8BIT 8KB FLASH 20DIP |
2,910 | - |
|
Datasheet | 20-DIP (0.300", 7.62mm) | LPC900 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 18MHz | I2C, UART/USART | Brown-out Detect/Reset, LED, POR, PWM, WDT | 18 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 2.4V ~ 3.6V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
|
P89LPC938FHN,151IC MCU 8BIT 8KB FLASH 28HVQFN |
2,171 | - |
|
Datasheet | 28-VQFN Exposed Pad | LPC900 | Tray | Obsolete | Not Verified | 8051 | 8-Bit | 18MHz | I2C, SPI, UART/USART | Brown-out Detect/Reset, LED, POR, PWM, WDT | 26 | 8KB (8K x 8) | FLASH | 512 x 8 | 768 x 8 | 2.4V ~ 3.6V | A/D 8x10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
P89LPC9401FBD,551IC MCU 8BIT 8KB FLASH 64LQFP |
1,125 | - |
|
Datasheet | 64-LQFP | LPC900 | Tray | Obsolete | Not Verified | 8051 | 8-Bit | 18MHz | I2C, SPI, UART/USART | Brown-out Detect/Reset, LCD, LED, POR, PWM, WDT | 23 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 2.4V ~ 3.6V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
P89V51RB2FN,112IC MCU 8BIT 16KB FLASH 40DIP |
2,111 | - |
|
Datasheet | 40-DIP (0.600", 15.24mm) | 89V | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 40MHz | SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 32 | 16KB (16K x 8) | FLASH | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
|
AT80251G2D-3CSUMIC MCU 8/16BIT ROMLESS 40PDIL |
2,180 | - |
|
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 | - | ROMless | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
|
AT80251G2D-RLTUMIC MCU 8/16BIT ROMLESS 44VQFP |
3,569 | - |
|
Datasheet | 44-LQFP | 8x251 | Tray | Obsolete | Not Verified | C251 | 8/16-Bit | 24MHz | EBI/EMI, I2C, Microwire, SPI, UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
AT80251G2D-SLRUMIC MCU 8/16BIT ROMLESS 44PLCC |
2,306 | - |
|
Datasheet | 44-LCC (J-Lead) | 8x251 | Tape & Reel (TR) | Obsolete | Not Verified | C251 | 8/16-Bit | 24MHz | EBI/EMI, I2C, Microwire, SPI, UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
AT80251G2D-SLSULIC MCU 8/16BIT ROMLESS 44PLCC |
3,824 | - |
|
Datasheet | 44-LCC (J-Lead) | 8x251 | Tube | Obsolete | Not Verified | C251 | 8/16-Bit | 16MHz | EBI/EMI, I2C, Microwire, SPI, UART/USART | POR, PWM, WDT | 32 | - | ROMless | - | 1K x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
AT80251G2D-SLSUMIC MCU 8/16BIT ROMLESS 44PLCC |
3,200 | - |
|
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 | - | ROMless | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
AT80C31X2-3CSUMIC MCU 8BIT ROMLESS 40PDIL |
3,531 | - |
|
Datasheet | 40-DIP (0.600", 15.24mm) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR | 32 | - | ROMless | - | 128 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
|
AT80C31X2-RLTUMIC MCU 8BIT ROMLESS 44VQFP |
3,056 | - |
|
Datasheet | 44-LQFP | 80C | Tray | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR | 32 | - | ROMless | - | 128 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
AT80C31X2-SLSULIC MCU 8BIT ROMLESS 44PLCC |
3,688 | - |
|
Datasheet | 44-LCC (J-Lead) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 30/20MHz | UART/USART | POR | 32 | - | ROMless | - | 128 x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
AT80C31X2-SLSUMIC MCU 8BIT ROMLESS 44PLCC |
4,273 | - |
|
Datasheet | 44-LCC (J-Lead) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 40/20MHz | UART/USART | POR | 32 | - | ROMless | - | 128 x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
AT80C32X2-3CSULIC MCU 8BIT ROMLESS 40PDIL |
1,299 | - |
|
Datasheet | 40-DIP (0.600", 15.24mm) | 80C | Tube | Obsolete | Not Verified | 80C51 | 8-Bit | 30/20MHz | UART/USART | POR | 32 | - | ROMless | - | 256 x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
|
AT80C32X2-3CSUMIC MCU 8BIT ROMLESS 40PDIL |
4,678 | - |
|
Datasheet | 40-DIP (0.600", 15.24mm) | 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) | - | - | Through Hole | |
|
AT80C32X2-RLTULIC MCU 8BIT ROMLESS 44VQFP |
2,494 | - |
|
Datasheet | 44-LQFP | 80C | Tray | Obsolete | Not Verified | 80C51 | 8-Bit | 30/20MHz | UART/USART | POR | 32 | - | ROMless | - | 256 x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
AT80C32X2-RLTUMIC MCU 8BIT ROMLESS 44VQFP |
1,437 | - |
|
Datasheet | 44-LQFP | 80C | Tray | 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 |
Microcontrollers FAQ
Common questions about selecting, comparing and sourcing Microcontrollers components through Winsun (HK) Electronics.
What should I check when selecting Microcontrollers components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
Can Winsun help source specific Microcontrollers part numbers?
Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
Do you support shortage, obsolete or hard-to-find Microcontrollers parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
How do I request a quote for Microcontrollers components?
Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.