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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
W77L516A25FLIC MCU 8BIT 64KB FLASH 44QFP |
1,390 | - |
|
Datasheet | 44-BQFP | W77 | Tray | Last Time Buy | Not Verified | 8051 | 8-Bit | 25MHz | EBI/EMI, Serial Port | POR, WDT | 36 | 64KB (64K x 8) | FLASH | - | 1K x 8 | 2.7V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
|
W77L532A25PLIC MCU 8BIT 128KB FLASH 44PLCC |
3,648 | - |
|
Datasheet | 44-LCC (J-Lead) | W77 | Tube | Last Time Buy | Not Verified | 8051 | 8-Bit | 25MHz | EBI/EMI, Serial Port | POR, WDT | 36 | 128KB (128K x 8) | FLASH | - | 1K x 8 | 2.7V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
|
W78C032C40DLIC MCU 8BIT ROMLESS 40DIP |
1,070 | - |
|
Datasheet | 40-DIP | W78 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 40MHz | EBI/EMI, Serial Port | - | 32 | - | ROMless | - | 256 x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | |
|
|
W78C438C40PLIC MCU 8BIT ROMLESS 84PLCC |
1,409 | - |
|
Datasheet | 84-LCC | W78 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 40MHz | EBI/EMI, Serial Port | - | 40 | - | ROMless | - | 256 x 8 | 4.5V ~ 5.5V | - | External | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
|
|
W78E054B40DLIC MCU 8BIT 16KB FLASH 40DIP |
2,833 | - |
|
Datasheet | 40-DIP | W78 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 40MHz | EBI/EMI, UART/USART | POR, WDT | 32 | 16KB (16K x 8) | FLASH | - | 256 x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | |
|
|
W78E054B40FLIC MCU 8BIT 16KB FLASH 44QFP |
4,939 | - |
|
Datasheet | 44-BQFP | W78 | Tray | Obsolete | Not Verified | 8051 | 8-Bit | 40MHz | EBI/EMI, UART/USART | POR, WDT | 36 | 16KB (16K x 8) | FLASH | - | 256 x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
|
|
W78E054B40PLIC MCU 8BIT 16KB FLASH 44PLCC |
3,196 | - |
|
Datasheet | 44-LCC (J-Lead) | W78 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 40MHz | EBI/EMI, UART/USART | POR, WDT | 36 | 16KB (16K x 8) | FLASH | - | 256 x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
|
|
W78E054C40DLIC MCU 8BIT 16KB FLASH 40DIP |
4,166 | - |
|
Datasheet | 40-DIP | W78 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 40MHz | EBI/EMI, UART/USART | POR, WDT | 32 | 16KB (16K x 8) | FLASH | - | 256 x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | |
|
|
W78E054C40FLIC MCU 8BIT 16KB FLASH 44QFP |
2,242 | - |
|
Datasheet | 44-BQFP | W78 | Tray | Obsolete | Not Verified | 8051 | 8-Bit | 40MHz | EBI/EMI, UART/USART | POR, WDT | 36 | 16KB (16K x 8) | FLASH | - | 256 x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
|
|
W78E054C40PLIC MCU 8BIT 16KB FLASH 44PLCC |
1,711 | - |
|
Datasheet | 44-LCC (J-Lead) | W78 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 40MHz | EBI/EMI, UART/USART | POR, WDT | 36 | 16KB (16K x 8) | FLASH | - | 256 x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount |
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.
