Microcontrollers

Manufacturers 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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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 Supplier Device Package
W77C032A40PL

W77C032A40PL

IC MCU 8BIT ROMLESS 44PLCC

Nuvoton Technology Corporation

0
RFQ
W77C032A40PLDatasheet 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
W77E058A40DL

W77E058A40DL

IC MCU 8BIT 32KB FLASH 40DIP

Nuvoton Technology Corporation

0
RFQ
W77E058A40DLDatasheet 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
W77E058A40FL

W77E058A40FL

IC MCU 8BIT 32KB FLASH 44QFP

Nuvoton Technology Corporation

0
RFQ
W77E058A40FLDatasheet 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
W77E516A40DL

W77E516A40DL

IC MCU 8BIT 64KB FLASH 40DIP

Nuvoton Technology Corporation

0
RFQ
W77E516A40DLDatasheet 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
W77E532A40DL

W77E532A40DL

IC MCU 8BIT 128KB FLASH 40DIP

Nuvoton Technology Corporation

0
RFQ
W77E532A40DLDatasheet 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
W77E532A40PL

W77E532A40PL

IC MCU 8BIT 128KB FLASH 44PLCC

Nuvoton Technology Corporation

0
RFQ
W77E532A40PLDatasheet 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
W77I058A25DL

W77I058A25DL

IC MCU 8BIT 32KB FLASH 40DIP

Nuvoton Technology Corporation

0
RFQ
W77I058A25DLDatasheet 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
W77L058A25DL

W77L058A25DL

IC MCU 8BIT 32KB FLASH 40DIP

Nuvoton Technology Corporation

0
RFQ
W77L058A25DLDatasheet 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
W77L058A25FL

W77L058A25FL

IC MCU 8BIT 32KB FLASH 44QFP

Nuvoton Technology Corporation

0
RFQ
W77L058A25FLDatasheet 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
W77L058A25PL

W77L058A25PL

IC MCU 8BIT 32KB FLASH 44PLCC

Nuvoton Technology Corporation

0
RFQ
W77L058A25PLDatasheet 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
W77L516A25DL

W77L516A25DL

IC MCU 8BIT 64KB FLASH 40DIP

Nuvoton Technology Corporation

0
RFQ
W77L516A25DLDatasheet 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
W77L516A25FL

W77L516A25FL

IC MCU 8BIT 64KB FLASH 44QFP

Nuvoton Technology Corporation

0
RFQ
W77L516A25FLDatasheet 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
W77L532A25PL

W77L532A25PL

IC MCU 8BIT 128KB FLASH 44PLCC

Nuvoton Technology Corporation

0
RFQ
W77L532A25PLDatasheet 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
W78C032C40DL

W78C032C40DL

IC MCU 8BIT ROMLESS 40DIP

Nuvoton Technology Corporation

0
RFQ
W78C032C40DLDatasheet 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
W78C438C40PL

W78C438C40PL

IC MCU 8BIT ROMLESS 84PLCC

Nuvoton Technology Corporation

0
RFQ
W78C438C40PLDatasheet 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
W78E054B40DL

W78E054B40DL

IC MCU 8BIT 16KB FLASH 40DIP

Nuvoton Technology Corporation

0
RFQ
W78E054B40DLDatasheet 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
W78E054B40FL

W78E054B40FL

IC MCU 8BIT 16KB FLASH 44QFP

Nuvoton Technology Corporation

0
RFQ
W78E054B40FLDatasheet 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
W78E054B40PL

W78E054B40PL

IC MCU 8BIT 16KB FLASH 44PLCC

Nuvoton Technology Corporation

0
RFQ
W78E054B40PLDatasheet 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
W78E054C40DL

W78E054C40DL

IC MCU 8BIT 16KB FLASH 40DIP

Nuvoton Technology Corporation

0
RFQ
W78E054C40DLDatasheet 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
W78E054C40FL

W78E054C40FL

IC MCU 8BIT 16KB FLASH 44QFP

Nuvoton Technology Corporation

0
RFQ
W78E054C40FLDatasheet 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

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.

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