Microcontrollers
| 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 | Supplier Device Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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W78E054C40PLIC MCU 8BIT 16KB FLASH 44PLCC |
0 |
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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 | ||
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W78E058B40DLIC MCU 8BIT 32KB FLASH 40DIP |
0 |
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40-DIP | W78 | Tube | Obsolete | Not Verified | 8052 | 8-Bit | 40MHz | EBI/EMI, UART/USART | POR, WDT | 32 | 32KB (32K x 8) | FLASH | - | 512 x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | ||
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W78E058B40FLIC MCU 8BIT 32KB FLASH 44QFP |
0 |
|
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44-BQFP | W78 | Tray | Obsolete | Not Verified | 8052 | 8-Bit | 40MHz | EBI/EMI, UART/USART | POR, WDT | 36 | 32KB (32K x 8) | FLASH | - | 512 x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | ||
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W78E058B40PLIC MCU 8BIT 32KB FLASH 44PLCC |
0 |
|
|
44-LCC (J-Lead) | W78 | Tube | Obsolete | Not Verified | 8052 | 8-Bit | 40MHz | EBI/EMI, UART/USART | POR, WDT | 36 | 32KB (32K x 8) | FLASH | - | 512 x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | ||
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W78E378A10PLIC MCU 8BIT 32KB FLASH 44PLCC |
0 |
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44-LCC (J-Lead) | W78 | Tube | Obsolete | Not Verified | 80C31 | 8-Bit | 10MHz | EBI/EMI, Serial Port | LVD, POR, WDT | 25 | 32KB (32K x 8) | FLASH | - | 576 x 8 | 4.5V ~ 5.5V | A/D 7x8b; D/A 11x8b | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | ||
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W78E516B40DLIC MCU 8BIT 64KB FLASH 40DIP |
0 |
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40-DIP | W78 | Tube | Obsolete | Not Verified | 8052 | 8-Bit | 40MHz | EBI/EMI, UART/USART | POR | 32 | 64KB (64K x 8) | FLASH | - | 512 x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | ||
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W78E516B40FLIC MCU 8BIT 64KB FLASH 44QFP |
0 |
|
|
44-BQFP | W78 | Tray | Obsolete | Not Verified | 8052 | 8-Bit | 40MHz | EBI/EMI, UART/USART | POR | 36 | 64KB (64K x 8) | FLASH | - | 512 x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | ||
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W78E516B40PLIC MCU 8BIT 64KB FLASH 44PLCC |
0 |
|
|
44-LCC (J-Lead) | W78 | Tube | Obsolete | Not Verified | 8052 | 8-Bit | 40MHz | EBI/EMI, UART/USART | POR | 36 | 64KB (64K x 8) | FLASH | - | 512 x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | ||
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W78E858A40DLIC MCU 8BIT 32KB FLASH 40DIP |
0 |
|
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40-DIP | W78 | Tube | Obsolete | Not Verified | 8052 | 8-Bit | 40MHz | EBI/EMI, Serial Port | POR, PWM, WDT | 32 | 32KB (32K x 8) | FLASH | - | 768 x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | ||
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W78E858A40FLIC MCU 8BIT 32KB FLASH 44QFP |
0 |
|
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44-BQFP | W78 | Tray | Last Time Buy | Not Verified | 8052 | 8-Bit | 40MHz | EBI/EMI, Serial Port | POR, PWM, WDT | 36 | 32KB (32K x 8) | FLASH | - | 768 x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | ||
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W78ERD2A40DLIC MCU 8BIT 64KB FLASH 40DIP |
0 |
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40-DIP | W78 | Tube | Obsolete | Not Verified | 8052 | 8-Bit | 40MHz | EBI/EMI, Serial Port | POR, PWM, WDT | 32 | 64KB (64K x 8) | FLASH | - | 1.25K x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | ||
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W78ERD2A40FLIC MCU 8BIT 64KB FLASH 44QFP |
0 |
|
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44-BQFP | W78 | Tray | Last Time Buy | Not Verified | 8052 | 8-Bit | 40MHz | EBI/EMI, Serial Port | POR, PWM, WDT | 36 | 64KB (64K x 8) | FLASH | - | 1.25K x 8 | 4.5V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | ||
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W78IRD2A25DLIC MCU 8BIT 64KB FLASH 40DIP |
0 |
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40-DIP | W78 | Tube | Obsolete | Not Verified | 80C52 | 8-Bit | 25MHz | EBI/EMI, UART/USART | POR, PWM, WDT | 32 | 64KB (64K x 8) | FLASH | - | 1.25K x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | ||
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W78IRD2A25PLIC MCU 8BIT 64KB FLASH 44PLCC |
0 |
|
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44-LCC (J-Lead) | W78 | Tube | Last Time Buy | Not Verified | 80C52 | 8-Bit | 25MHz | EBI/EMI, UART/USART | POR, PWM, WDT | 36 | 64KB (64K x 8) | FLASH | - | 1.25K x 8 | 4.5V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | ||
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W78L032A24DLIC MCU 8BIT ROMLESS 40DIP |
0 |
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40-DIP | W78 | Tube | Active | Not Verified | 80C32 | 8-Bit | 24MHz | EBI/EMI, Serial Port | - | 32 | - | ROMless | - | 256 x 8 | 1.8V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | ||
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W78L032A24FLIC MCU 8BIT ROMLESS 44QFP |
0 |
|
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44-BQFP | W78 | Tray | Active | Not Verified | 80C32 | 8-Bit | 24MHz | EBI/EMI, Serial Port | - | 32 | - | ROMless | - | 256 x 8 | 1.8V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | ||
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W78L054A24DLIC MCU 8BIT 16KB FLASH 40DIP |
0 |
|
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40-DIP | W78 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 24MHz | EBI/EMI, UART/USART | POR, WDT | 32 | 16KB (16K x 8) | FLASH | - | 256 x 8 | 2.4V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | ||
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W78L054C24PLIC MCU 8BIT 16KB FLASH 44PLCC |
0 |
|
|
44-LCC (J-Lead) | W78 | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 24MHz | EBI/EMI, UART/USART | POR, WDT | 36 | 16KB (16K x 8) | FLASH | - | 256 x 8 | 2.4V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | ||
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W78L516A24DLIC MCU 8BIT 64KB FLASH 40DIP |
0 |
|
|
40-DIP | W78 | Tube | Obsolete | Not Verified | 80C52 | 8-Bit | 24MHz | EBI/EMI, Serial Port | POR, WDT | 32 | 64KB (64K x 8) | FLASH | - | 1.25K x 8 | 2.7V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Through Hole | ||
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W78L516A24FLIC MCU 8BIT 64KB FLASH 44QFP |
0 |
|
|
44-BQFP | W78 | Tray | Obsolete | Not Verified | 80C52 | 8-Bit | 24MHz | EBI/EMI, Serial Port | POR, WDT | 36 | 64KB (64K x 8) | FLASH | - | 1.25K x 8 | 2.7V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount |
Category Overview
Microcontrollers Products & Selection Guide
Microcontrollers are widely used in industrial automation, automotive electronics, communication equipment, consumer electronics, new energy systems, and many other electronic applications. We offer products from multiple manufacturers, packages, and specifications to help engineers and buyers compare and source suitable components.
Use the manufacturer, key specification, availability, and Datasheet filters to narrow down the right Microcontrollers. If the exact part is not listed, submit an inquiry and our team can help check stock, lead time, and suitable alternatives.
FAQ
How do I choose the right Microcontrollers?
Start with the required electrical specifications, package, operating temperature, application conditions, and manufacturer preference, then compare availability and lead time.
Can I order based on the stock shown on this page?
Inventory can change with supply conditions. For project or volume requirements, please submit an inquiry so current stock, pricing, and lead time can be confirmed.
What if the exact part number I need is not listed?
Send us the part number and required quantity. We can help source hard-to-find parts and suggest suitable alternatives based on key specifications.
Do you provide Datasheets and technical documents?
Yes. Use the Datasheet links in the product list to view available technical documents. If a document is unavailable, contact us and we can help check it.
