AT89C55WD-24JI
IC MCU 8BIT 20KB FLASH 44PLCCManufacturer: Microchip Technology
Categories: Microcontrollers
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Microchip Technology AT89C55WD-24JI is an 8-bit 8051 microcontroller featuring 20KB of FLASH program memory and 256 bytes of RAM. This device operates at a maximum frequency of 24MHz and includes a 256 x 8 RAM configuration. It offers 32 programmable I/O pins and supports serial communication via a UART/USART interface. The microcontroller is equipped with a Watchdog Timer (WDT) peripheral. The AT89C55WD-24JI is housed in a 44-lead PLCC package with a surface-mount design, suitable for operation across an industrial temperature range of -40°C to 85°C. This component finds application in industrial automation, consumer electronics, and automotive systems requiring robust 8051 core performance.
Additional Information
Series: 89CRoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 44-LCC (J-Lead) |
| Mounting Type | Surface Mount |
| Speed | 24MHz |
| Program Memory Size | 20KB (20K x 8) |
| RAM Size | 256 x 8 |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Oscillator Type | Internal |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| Core Processor | 8051 |
| Data Converters | - |
| Core Size | 8-Bit |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V |
| Connectivity | UART/USART |
| Peripherals | WDT |
| Supplier Device Package | 44-PLCC (16.6x16.6) |
| Number of I/O | 32 |
| Programmable | Not Verified |
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