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Manufacturer Package/Case Packaging Series ProductStatus CoreProcessor CoreSize Speed Connectivity Peripherals NumberofI/O ProgramMemorySize ProgramMemoryType EEPROMSize RAMSize Voltage-Supply(Vcc/Vdd) DataConverters OscillatorType OperatingTemperature MountingType
















































































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Photo Mfr. Part # Availability Price Quantity Datasheet Package/Case Packaging Series ProductStatus CoreProcessor CoreSize Speed Connectivity Peripherals NumberofI/O ProgramMemorySize ProgramMemoryType EEPROMSize RAMSize Voltage-Supply(Vcc/Vdd) DataConverters OscillatorType OperatingTemperature MountingType
W78C438C40PL

W78C438C40PL

IC MCU 8BIT ROMLESS 84PLCC

Nuvoton Technology Corporation

0 0.00

RFQ

W78C438C40PL

Datasheet

84-LCC Tube W78 Obsolete 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
W78E051B40FL

W78E051B40FL

IC MCU 8BIT 4KB FLASH 44QFP

Nuvoton Technology Corporation

0 0.00

RFQ

W78E051B40FL

Datasheet

44-BQFP Tray W78 Obsolete 8051 8-Bit 40MHz EBI/EMI, UART/USART POR, WDT 36 4KB (4K x 8) FLASH - 128 x 8 4.5V ~ 5.5V - External 0°C ~ 70°C (TA) Surface Mount
W78E051B40PL

W78E051B40PL

IC MCU 8BIT 4KB FLASH 44PLCC

Nuvoton Technology Corporation

0 0.00

RFQ

W78E051B40PL

Datasheet

44-LCC (J-Lead) Tube W78 Obsolete 8051 8-Bit 40MHz EBI/EMI, UART/USART POR, WDT 36 4KB (4K x 8) FLASH - 128 x 8 4.5V ~ 5.5V - External 0°C ~ 70°C (TA) Surface Mount
W78E051C40DL

W78E051C40DL

IC MCU 8BIT 4KB FLASH 40DIP

Nuvoton Technology Corporation

0 0.00

RFQ

W78E051C40DL

Datasheet

40-DIP Tube W78 Obsolete 8051 8-Bit 40MHz EBI/EMI, UART/USART POR, WDT 32 4KB (4K x 8) FLASH - 128 x 8 4.5V ~ 5.5V - External 0°C ~ 70°C (TA) Through Hole
W78E051C40FL

W78E051C40FL

IC MCU 8BIT 4KB FLASH 44QFP

Nuvoton Technology Corporation

0 0.00

RFQ

W78E051C40FL

Datasheet

44-BQFP Tray W78 Obsolete 8051 8-Bit 40MHz EBI/EMI, UART/USART POR, WDT 36 4KB (4K x 8) FLASH - 128 x 8 4.5V ~ 5.5V - External 0°C ~ 70°C (TA) Surface Mount
W78E051C40PL

W78E051C40PL

IC MCU 8BIT 4KB FLASH 44PLCC

Nuvoton Technology Corporation

0 0.00

RFQ

W78E051C40PL

Datasheet

44-LCC (J-Lead) Tube W78 Obsolete 8051 8-Bit 40MHz EBI/EMI, UART/USART POR, WDT 36 4KB (4K x 8) FLASH - 128 x 8 4.5V ~ 5.5V - External 0°C ~ 70°C (TA) Surface Mount
W78E052B40DL

W78E052B40DL

IC MCU 8BIT 8KB FLASH 40DIP

Nuvoton Technology Corporation

0 0.00

RFQ

40-DIP Tube W78 Obsolete 8051 8-Bit 40MHz - - 32 8KB (8K x 8) FLASH - 256 x 8 - - Internal 0°C ~ 70°C (TA) Through Hole
W78E052B40FL

W78E052B40FL

IC MCU 8BIT 8KB FLASH 44QFP

Nuvoton Technology Corporation

0 0.00

RFQ

44-BQFP Tray W78 Obsolete 8051 8-Bit 40MHz - - 36 8KB (8K x 8) FLASH - 256 x 8 - - Internal 0°C ~ 70°C (TA) Surface Mount
W78E052B40PL

W78E052B40PL

IC MCU 8BIT 8KB FLASH 44PLCC

Nuvoton Technology Corporation

0 0.00

RFQ

44-LCC (J-Lead) Tube W78 Obsolete 8051 8-Bit 40MHz - - 36 8KB (8K x 8) FLASH - 256 x 8 - - Internal 0°C ~ 70°C (TA) Surface Mount
W78E052C40DL

W78E052C40DL

IC MCU 8BIT 8KB FLASH 40DIP

Nuvoton Technology Corporation

0 0.00

RFQ

W78E052C40DL

Datasheet

40-DIP Tube W78 Obsolete 8051 8-Bit 40MHz EBI/EMI, UART/USART POR, WDT 32 8KB (8K x 8) FLASH - 256 x 8 4.5V ~ 5.5V - Internal 0°C ~ 70°C (TA) Through Hole
W78E052C40FL

W78E052C40FL

IC MCU 8BIT 8KB FLASH 44QFP

Nuvoton Technology Corporation

0 0.00

RFQ

W78E052C40FL

Datasheet

44-BQFP Tray W78 Obsolete 8051 8-Bit 40MHz EBI/EMI, UART/USART POR, WDT 36 8KB (8K x 8) FLASH - 256 x 8 4.5V ~ 5.5V - Internal 0°C ~ 70°C (TA) Surface Mount
W78E052C40PL

W78E052C40PL

IC MCU 8BIT 8KB FLASH 44PLCC

Nuvoton Technology Corporation

0 0.00

RFQ

W78E052C40PL

Datasheet

44-LCC (J-Lead) Tube W78 Obsolete 8051 8-Bit 40MHz EBI/EMI, UART/USART POR, WDT 36 8KB (8K x 8) FLASH - 256 x 8 4.5V ~ 5.5V - Internal 0°C ~ 70°C (TA) Surface Mount
W78E054B40DL

W78E054B40DL

IC MCU 8BIT 16KB FLASH 40DIP

Nuvoton Technology Corporation

0 0.00

RFQ

W78E054B40DL

Datasheet

40-DIP Tube W78 Obsolete 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 0.00

RFQ

W78E054B40FL

Datasheet

44-BQFP Tray W78 Obsolete 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 0.00

RFQ

W78E054B40PL

Datasheet

44-LCC (J-Lead) Tube W78 Obsolete 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 0.00

RFQ

W78E054C40DL

Datasheet

40-DIP Tube W78 Obsolete 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 0.00

RFQ

W78E054C40FL

Datasheet

44-BQFP Tray W78 Obsolete 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
W78E054C40PL

W78E054C40PL

IC MCU 8BIT 16KB FLASH 44PLCC

Nuvoton Technology Corporation

0 0.00

RFQ

W78E054C40PL

Datasheet

44-LCC (J-Lead) Tube W78 Obsolete 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
W78E058B40DL

W78E058B40DL

IC MCU 8BIT 32KB FLASH 40DIP

Nuvoton Technology Corporation

0 0.00

RFQ

W78E058B40DL

Datasheet

40-DIP Tube W78 Obsolete 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
W78E058B40FL

W78E058B40FL

IC MCU 8BIT 32KB FLASH 44QFP

Nuvoton Technology Corporation

0 0.00

RFQ

W78E058B40FL

Datasheet

44-BQFP Tray W78 Obsolete 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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