AT89C55WD-33JU
Microcontroller, 8-Bit, FLASH, 8051 CPU, 33MHz, CMOS, PQCC44Manufacturer: Microchip Technology
Categories: Microcontrollers
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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:Download Free CAD Model:
Technical Details:
| Length | 16.5860 |
| Speed | 33.00000000 |
| Width | 16.5860 |
| Technology | CMOS |
| ADC_Channels | No |
| Address_Bus_Width | 16 |
| Bit_Size | 8 |
| Boundary_Scan | No |
| Clock_Frequency_Max | 33.0000000000000000 |
| CPU_Family | 8051 |
| DAC_Channels | No |
| Data_RAM_Size | 256 |
| DMA_Channels | No |
| External_Data_Bus_Width | 8 |
| JESD_30_Code | S-PQCC-J44 |
| Number_of_I_O_Lines | 32 |
| Number_of_Terminals | 44 |
| Operating_Temperature_Max | 85.0000 |
| Operating_Temperature_Min | -40.0000 |
| Package_Body_Material | PLASTIC/EPOXY |
| Package_Code | QCCJ |
| Package_Equivalence_Code | LDCC44,.7SQ |
| Package_Shape | Square |
| Package_Style | CHIP CARRIER |
| Program_Memory_Size | 20480 |
| Program_Memory_Type | FLASH |
| Program_Memory_Width | 8 |
| PWM_Channels | No |
| Seated_Height_Max | 4.5720 |
| Supply_Current_Max | 25.00000000 |
| Supply_Voltage_Max | 5.5000 |
| Supply_Voltage_Min | 5.0000 |
| Supply_Voltage_Nom | 5.0000 |
| Surface_Mount | Yes |
| Terminal_Form | J BEND |
| Terminal_Pitch | 1.270 |
| Terminal_Position | QUAD |
| uPs_uCs_Peripheral_ICs_Type | Microcontroller |
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