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AT89C55WD-33JU

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AT89C55WD-33JU

Microcontroller, 8-Bit, FLASH, 8051 CPU, 33MHz, CMOS, PQCC44

Manufacturer: Microchip Technology

Categories: Microcontrollers

Quality Control: Learn More

The Microchip Technology AT89C55WD-33JU is an 8-bit microcontroller featuring the robust 8051 CPU architecture. This device operates at a maximum clock frequency of 33MHz and utilizes CMOS technology for efficient performance. It offers 20KB of on-chip FLASH program memory and 256 bytes of data RAM. The AT89C55 series microcontroller supports an external data bus width of 8 bits and an address bus width of 16 bits, enabling access to up to 64KB of external memory. With 32 programmable I/O lines, this component is well-suited for various embedded applications across industrial control, consumer electronics, and automotive sectors. The device is housed in a 44-terminal J-lead ceramic quad flat pack (CQFP) package, designed for surface mounting. It operates over an industrial temperature range of -40°C to +85°C and supports a supply voltage range of 5.0V to 5.5V.

Additional Information

Series: AT89C55RoHS Status: RoHS CompliantManufacturer Lead Time: Product Status: ActivePackaging: Datasheet:
Technical Details:
Length16.5860
Speed33.00000000
Width16.5860
TechnologyCMOS
ADC_ChannelsNo
Address_Bus_Width16
Bit_Size8
Boundary_ScanNo
Clock_Frequency_Max33.0000000000000000
CPU_Family8051
DAC_ChannelsNo
Data_RAM_Size256
DMA_ChannelsNo
External_Data_Bus_Width8
JESD_30_CodeS-PQCC-J44
Number_of_I_O_Lines32
Number_of_Terminals44
Operating_Temperature_Max85.0000
Operating_Temperature_Min-40.0000
Package_Body_MaterialPLASTIC/EPOXY
Package_CodeQCCJ
Package_Equivalence_CodeLDCC44,.7SQ
Package_ShapeSquare
Package_StyleCHIP CARRIER
Program_Memory_Size20480
Program_Memory_TypeFLASH
Program_Memory_Width8
PWM_ChannelsNo
Seated_Height_Max4.5720
Supply_Current_Max25.00000000
Supply_Voltage_Max5.5000
Supply_Voltage_Min5.0000
Supply_Voltage_Nom5.0000
Surface_MountYes
Terminal_FormJ BEND
Terminal_Pitch1.270
Terminal_PositionQUAD
uPs_uCs_Peripheral_ICs_TypeMicrocontroller

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