Microcontrollers
Browse available Microcontrollers components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.
If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.
| 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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W77C032A40PLIC MCU 8BIT ROMLESS 44PLCC |
2,689 | - |
|
Datasheet | 44-LCC (J-Lead) | W77 | Tube | Active | Not Verified | 8051 | 8-Bit | 40MHz | EBI/EMI, Serial Port | POR, WDT | 36 | - | ROMless | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
|
W77E058A40DLIC MCU 8BIT 32KB FLASH 40DIP |
2,784 | - |
|
Datasheet | 40-DIP | W77 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 40MHz | EBI/EMI, Serial Port | POR, WDT | 32 | 32KB (32K x 8) | FLASH | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | |
|
W77E058A40FLIC MCU 8BIT 32KB FLASH 44QFP |
4,855 | - |
|
Datasheet | 44-BQFP | W77 | Tray | Active | Not Verified | 8051 | 8-Bit | 40MHz | EBI/EMI, Serial Port | POR, WDT | 36 | 32KB (32K x 8) | FLASH | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
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W77E516A40DLIC MCU 8BIT 64KB FLASH 40DIP |
2,925 | - |
|
Datasheet | 40-DIP | W77 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 40MHz | EBI/EMI, Serial Port | POR, WDT | 32 | 64KB (64K x 8) | FLASH | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | |
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W77E532A40DLIC MCU 8BIT 128KB FLASH 40DIP |
3,060 | - |
|
Datasheet | 40-DIP | W77 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 40MHz | EBI/EMI, Serial Port | POR, WDT | 32 | 128KB (128K x 8) | FLASH | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | |
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W77E532A40PLIC MCU 8BIT 128KB FLASH 44PLCC |
1,524 | - |
|
Datasheet | 44-LCC (J-Lead) | W77 | Tube | Last Time Buy | Not Verified | 8051 | 8-Bit | 40MHz | EBI/EMI, Serial Port | POR, WDT | 36 | 128KB (128K x 8) | FLASH | - | 1K x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
|
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W77I058A25DLIC MCU 8BIT 32KB FLASH 40DIP |
1,443 | - |
|
Datasheet | 40-DIP | W77 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 25MHz | EBI/EMI, Serial Port | POR, WDT | 32 | 32KB (32K x 8) | FLASH | - | 1K x 8 | 2.7V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
|
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W77L058A25DLIC MCU 8BIT 32KB FLASH 40DIP |
1,642 | - |
|
Datasheet | 40-DIP | W77 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 25MHz | EBI/EMI, Serial Port | POR, WDT | 32 | 32KB (32K x 8) | FLASH | - | 1K x 8 | 2.7V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | |
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W77L058A25FLIC MCU 8BIT 32KB FLASH 44QFP |
2,882 | - |
|
Datasheet | 44-BQFP | W77 | Tray | Active | Not Verified | 8051 | 8-Bit | 25MHz | EBI/EMI, Serial Port | POR, WDT | 36 | 32KB (32K x 8) | FLASH | - | 1K x 8 | 2.7V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
|
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W77L058A25PLIC MCU 8BIT 32KB FLASH 44PLCC |
4,482 | - |
|
Datasheet | 44-LCC (J-Lead) | W77 | Tube | Active | Not Verified | 8051 | 8-Bit | 25MHz | EBI/EMI, Serial Port | POR, WDT | 36 | 32KB (32K x 8) | FLASH | - | 1K x 8 | 2.7V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
|
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W77L516A25DLIC MCU 8BIT 64KB FLASH 40DIP |
4,767 | - |
|
Datasheet | 40-DIP | W77 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 25MHz | EBI/EMI, Serial Port | POR, WDT | 32 | 64KB (64K x 8) | FLASH | - | 1K x 8 | 2.7V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | |
|
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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 | |
|
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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 | |
|
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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 | |
|
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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 | |
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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 | |
|
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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 | |
|
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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 |
Microcontrollers FAQ
What Microcontrollers components can I source from EGOO?
You can browse available Microcontrollers product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.
Can EGOO help with hard-to-source or obsolete Microcontrollers parts?
Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.
Does EGOO support BOM and small-batch sourcing?
Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.
How do I request pricing and availability?
Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.
