 |  |  | |
| PartNumber | AT89C55WD-24AUR | AT89C55WD-24AU | AT89C55WD-24AU/AI |
| Description | 8-bit Microcontrollers - MCU 8Bit MCU Low Power | 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ | |
| Manufacturer | Microchip | Microchip | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TQFP-44 | TQFP-44 | - |
| Series | AT89C55WD | AT89C55WD | - |
| Core | 8051 | 8051 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 24 MHz | 33 MHz | - |
| Program Memory Size | 20 kB | 20 kB | - |
| Data RAM Size | 256 B | 256 B | - |
| Number of I/Os | 32 I/O | 32 I/O | - |
| Operating Supply Voltage | 4 V to 5.5 V | 4 V to 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | Tray | - |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Data RAM Type | RAM | RAM | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of Timers/Counters | 3 x 16 bit | 3 Timer | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 2000 | 160 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4 V | 4 V | - |
| Watchdog Timers | Watchdog Timer | - | - |
| ADC Resolution | - | No ADC | - |
| Height | - | 1.05 mm | - |
| Length | - | 10.1 mm | - |
| Width | - | 10.1 mm | - |
| Interface Type | - | UART | - |
| Processor Series | - | AT89x | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT89C55WD-24AUR | 8-bit Microcontrollers - MCU 8Bit MCU Low Power | |
| AT89C55WD-24AU | 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ | ||
| AT89C55WD-24AU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ | ||
| AT89C55WD-24AU/AI | New and Original | ||
| AT89C55WD-24AUR | 8-bit Microcontrollers - MCU 8Bit MCU Low Powe |