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AT89C55WD-33AU

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AT89C55WD-33AU

Microcontroller, 8-Bit, FLASH, 8051 CPU, 33MHz, CMOS, PQFP44

Manufacturer: Microchip Technology

Categories: Microcontrollers

Quality Control: Learn More

Microchip Technology's AT89C55WD-33AU is an 8-bit microcontroller based on the 8051 CPU family, operating at a maximum clock frequency of 33MHz. This CMOS device features 20KB of FLASH program memory and 256 bytes of data RAM. It offers 32 general-purpose I/O lines and supports an 8-bit external data bus. The component is housed in a 44-terminal square Thin Profile Flatpack (TQFP) package with a 0.80mm terminal pitch. Designed for a wide operating temperature range of -40°C to +85°C, it requires a supply voltage between 5.0V and 5.5V. This microcontroller finds application in industrial automation, automotive systems, and consumer electronics.

Additional Information

Series: AT89C55RoHS Status: RoHS CompliantManufacturer Lead Time: Product Status: ActivePackaging: Datasheet:
Technical Details:
Length10.0000
Speed33.00000000
Width10.0000
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-PQFP-G44
Number_of_I_O_Lines32
Number_of_Terminals44
Operating_Temperature_Max85.0000
Operating_Temperature_Min-40.0000
Package_Body_MaterialPLASTIC/EPOXY
Package_CodeTQFP
Package_Equivalence_CodeTQFP44,.47SQ,32
Package_ShapeSquare
Package_StyleFLATPACK, THIN PROFILE
Program_Memory_Size20480
Program_Memory_TypeFLASH
Program_Memory_Width8
PWM_ChannelsNo
Seated_Height_Max1.2000
Supply_Current_Max25.00000000
Supply_Voltage_Max5.5000
Supply_Voltage_Min5.0000
Supply_Voltage_Nom5.0000
Surface_MountYes
Terminal_FormGull Wing
Terminal_Pitch0.800
Terminal_PositionQUAD
uPs_uCs_Peripheral_ICs_TypeMicrocontroller

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