Microcontrollers

Manufacturer 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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Microcontrollers are integrated circuits that combine a processor core, memory and peripheral functions to control electronic systems. They are widely used in industrial control, automotive electronics, consumer devices, communication equipment, medical electronics, IoT products, smart home devices, automation systems and embedded applications.

This category includes 8-bit microcontrollers, 16-bit microcontrollers, 32-bit microcontrollers, low-power MCUs, automotive MCUs, wireless MCUs, general-purpose MCUs and application-specific embedded controllers. These components are commonly selected based on core architecture, clock speed, memory size, interface support, operating voltage, package type, temperature range and application requirements.

TomatoElec supplies original Microcontrollers from recognized semiconductor manufacturers such as STMicroelectronics, Microchip, NXP, Texas Instruments, Renesas, Infineon, onsemi, Analog Devices and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.

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
W77C032A40PL

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
W77E058A40DL

W77E058A40DL

IC MCU 8BIT 32KB FLASH 40DIP

Nuvoton Technology Corporation

0 -
RFQ
W77E058A40DL

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
W77E058A40FL

W77E058A40FL

IC MCU 8BIT 32KB FLASH 44QFP

Nuvoton Technology Corporation

0 -
RFQ
W77E058A40FL

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
W77E516A40DL

W77E516A40DL

IC MCU 8BIT 64KB FLASH 40DIP

Nuvoton Technology Corporation

0 -
RFQ
W77E516A40DL

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
W77E532A40DL

W77E532A40DL

IC MCU 8BIT 128KB FLASH 40DIP

Nuvoton Technology Corporation

0 -
RFQ
W77E532A40DL

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
W77E532A40PL

W77E532A40PL

IC MCU 8BIT 128KB FLASH 44PLCC

Nuvoton Technology Corporation

0 -
RFQ
W77E532A40PL

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
W77I058A25DL

W77I058A25DL

IC MCU 8BIT 32KB FLASH 40DIP

Nuvoton Technology Corporation

0 -
RFQ
W77I058A25DL

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
W77L058A25DL

W77L058A25DL

IC MCU 8BIT 32KB FLASH 40DIP

Nuvoton Technology Corporation

0 -
RFQ
W77L058A25DL

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
W77L058A25FL

W77L058A25FL

IC MCU 8BIT 32KB FLASH 44QFP

Nuvoton Technology Corporation

0 -
RFQ
W77L058A25FL

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
W77L058A25PL

W77L058A25PL

IC MCU 8BIT 32KB FLASH 44PLCC

Nuvoton Technology Corporation

0 -
RFQ
W77L058A25PL

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
W77L516A25DL

W77L516A25DL

IC MCU 8BIT 64KB FLASH 40DIP

Nuvoton Technology Corporation

0 -
RFQ
W77L516A25DL

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
W77L516A25FL

W77L516A25FL

IC MCU 8BIT 64KB FLASH 44QFP

Nuvoton Technology Corporation

0 -
RFQ
W77L516A25FL

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
W77L532A25PL

W77L532A25PL

IC MCU 8BIT 128KB FLASH 44PLCC

Nuvoton Technology Corporation

0 -
RFQ
W77L532A25PL

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
W78C032C40DL

W78C032C40DL

IC MCU 8BIT ROMLESS 40DIP

Nuvoton Technology Corporation

0 -
RFQ
W78C032C40DL

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
W78C438C40PL

W78C438C40PL

IC MCU 8BIT ROMLESS 84PLCC

Nuvoton Technology Corporation

0 -
RFQ
W78C438C40PL

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
W78E054B40DL

W78E054B40DL

IC MCU 8BIT 16KB FLASH 40DIP

Nuvoton Technology Corporation

0 -
RFQ
W78E054B40DL

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
W78E054B40FL

W78E054B40FL

IC MCU 8BIT 16KB FLASH 44QFP

Nuvoton Technology Corporation

0 -
RFQ
W78E054B40FL

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
W78E054B40PL

W78E054B40PL

IC MCU 8BIT 16KB FLASH 44PLCC

Nuvoton Technology Corporation

0 -
RFQ
W78E054B40PL

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
W78E054C40DL

W78E054C40DL

IC MCU 8BIT 16KB FLASH 40DIP

Nuvoton Technology Corporation

0 -
RFQ
W78E054C40DL

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
W78E054C40FL

W78E054C40FL

IC MCU 8BIT 16KB FLASH 44QFP

Nuvoton Technology Corporation

0 -
RFQ
W78E054C40FL

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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