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AT89C55WD-24JUR

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AT89C55WD-24JUR

Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQCC44

Manufacturer: Microchip Technology

Categories: Microcontrollers

Quality Control: Learn More

Microchip Technology's AT89C55WD-24JUR is an 8-bit microcontroller featuring a robust 8051 CPU core. This CMOS device operates at a 24MHz clock speed and boasts 20KB of on-chip FLASH program memory, complemented by 256 bytes of on-chip data RAM. It offers 32 general-purpose I/O lines, three programmable timers, and a watchdog timer. Connectivity includes a single UART interface. The AT89C55 series is well-suited for applications in industrial automation, consumer electronics, and embedded control systems requiring reliable 8051 architecture. This component is housed in a 44-lead PQCC package, designed for surface mounting, and operates within a temperature range of -40°C to +85°C. The supply voltage range is 4.0V to 5.5V.

Additional Information

Series: AT89C55RoHS Status: RoHS CompliantManufacturer Lead Time: Product Status: ActivePackaging: TRDatasheet:
Technical Details:
FormatFixed Point
Length16.5860
Speed24.00000000
Width16.5860
TechnologyCMOS
ConnectivityUART
PeripheralsTIMER(3), WDT
ADC_ChannelsNo
Address_Bus_Width16
Bit_Size8
Boundary_ScanNo
Clock_Frequency_Max33.0000000000000000
CPU_Family8051
DAC_ChannelsNo
Data_EEPROM_Size0
Data_RAM_Size256
DMA_ChannelsNo
External_Data_Bus_Width8
Integrated_CacheNo
JESD_30_CodeS-PQCC-J44
Low_Power_ModeYes
Number_of_External_Interrupts2
Number_of_I_O_Lines32
Number_of_Serial_I_Os1
Number_of_Terminals44
Number_of_Timers3
On_Chip_Data_RAM_Width8
Operating_Temperature_Max85.0000
Operating_Temperature_Min-40.0000
Package_Body_MaterialPLASTIC/EPOXY
Package_CodeHQCCJ
Package_Equivalence_CodeLCC44,.65SQ
Package_ShapeSquare
Package_StyleCHIP CARRIER, HEAT SINK/SLUG
Program_Memory_Size20480
Program_Memory_TypeFLASH
Program_Memory_Width8
PWM_ChannelsNo
Screening_Level_Reference_StandardTS 16949
Seated_Height_Max4.5720
Supply_Current_Max25.00000000
Supply_Voltage_Max5.5000
Supply_Voltage_Min4.0000
Supply_Voltage_Nom5.0000
Surface_MountYes
Terminal_FormJ BEND
Terminal_Pitch1.270
Terminal_PositionQUAD
uPs_uCs_Peripheral_ICs_TypeMicrocontroller

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