AT89C55WD-33AC
Microcontroller, 8-Bit, FLASH, 8051 CPU, 33MHz, CMOS, PQFP44Manufacturer: 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:Download Free CAD Model:
Technical Details:
| Width | 10.0000 |
| Technology | CMOS |
| Speed | 33.00000000 |
| Length | 10.0000 |
| 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-PQFP-G44 |
| Number_of_I_O_Lines | 32 |
| Number_of_Terminals | 44 |
| Operating_Temperature_Max | 70.0000 |
| Operating_Temperature_Min | 0.0000 |
| Package_Body_Material | PLASTIC/EPOXY |
| Package_Code | TQFP |
| Package_Equivalence_Code | TQFP44,.47SQ,32 |
| Package_Shape | Square |
| Package_Style | FLATPACK, THIN PROFILE |
| Program_Memory_Size | 20480 |
| Program_Memory_Type | FLASH |
| Program_Memory_Width | 8 |
| PWM_Channels | No |
| Seated_Height_Max | 1.2000 |
| 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 | Gull Wing |
| Terminal_Pitch | 0.800 |
| Terminal_Position | QUAD |
| uPs_uCs_Peripheral_ICs_Type | Microcontroller |
Request a Quote
Clients Also Buy
AT89C55WD-33PU
Microcontroller, 8-Bit, FLASH, 8051 CPU, 33MHz, CMOS, PDIP40
AT89C55WD-33JU
Microcontroller, 8-Bit, FLASH, 8051 CPU, 33MHz, CMOS, PQCC44
AT89C55WD-33AU
Microcontroller, 8-Bit, FLASH, 8051 CPU, 33MHz, CMOS, PQFP44