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AT89C55WD-33AC

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AT89C55WD-33AC

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

Manufacturer: Microchip Technology

Categories: Microcontrollers

Quality Control: Learn More

The Microchip Technology AT89C55WD-33AC is an 8-bit microcontroller featuring an 8051 CPU core and 20KB of Flash program memory. This CMOS device operates at a maximum clock frequency of 33MHz and offers 256 bytes of data RAM. It provides 32 general-purpose I/O lines and supports an external data bus width of 8 bits with a 16-bit address bus. The AT89C55WD-33AC is housed in a 44-lead TQFP package with a 0.8mm terminal pitch, suitable for surface-mount applications. Its operating temperature range is 0°C to 70°C, with supply voltages from 5.0V to 5.5V. This component finds application in industrial automation, consumer electronics, and embedded control systems.

Additional Information

Series: AT89C55RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:
Technical Details:
Width10.0000
TechnologyCMOS
Speed33.00000000
Length10.0000
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_Max70.0000
Operating_Temperature_Min0.0000
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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