 |  | | |
| PartNumber | AT89C55WD-24AC | AT89C55-33JC | AT89C55WD-24AI |
| Description | 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ | 8-bit Microcontrollers - MCU Microcontroller | 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | N | N | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TQFP-44 | PLCC-44 | TQFP-44 |
| Series | AT89C55WD | 89C | AT89C55WD |
| Core | 8051 | 8051 | 8051 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 33 MHz | 33 MHz | 33 MHz |
| Program Memory Size | 20 kB | 20 kB | 20 kB |
| Data RAM Size | 256 B | 256 B | 256 B |
| ADC Resolution | No ADC | No ADC | No ADC |
| Number of I/Os | 32 I/O | 32 I/O | 32 I/O |
| Operating Supply Voltage | 4 V to 5.5 V | 5 V | 4 V to 5.5 V |
| Minimum Operating Temperature | 0 C | 0 C | - 40 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 85 C |
| Height | 1.05 mm | 3.48 mm | 1.05 mm |
| Length | 10.1 mm | 16.7 mm | 10.1 mm |
| Program Memory Type | Flash | Flash | Flash |
| Width | 10.1 mm | 16.7 mm | 10.1 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Number of Timers/Counters | 3 Timer | 3 Timer | 3 Timer |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 160 | 27 | 160 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 4 V | 4.5 V | 4 V |
| Product | - | MCU | - |
| Interface Type | - | UART | - |
| Unit Weight | - | 0.084185 oz | - |
| Data ROM Type | - | - | Flash |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT89C55WD-24AUR | 8-bit Microcontrollers - MCU 8Bit MCU Low Power | |
| AT89C55WD-24JU | 8-bit Microcontrollers - MCU 20kB Flash 256B RAM 4.0V-6.0V | ||
| AT89C55WD-24PU | 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V | ||
| AT89C55WD-24AU | 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ | ||
| AT89C55WD-24AC | 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ | ||
| AT89C55WD-24PI | 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP | ||
| AT89C55-33JC | 8-bit Microcontrollers - MCU Microcontroller | ||
| AT89C55WD-24AI | 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP | ||
| AT89C55WD-24JC | 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ COM TEMP | ||
| AT89C55WD-24PU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V | ||
| AT89C55WD-24JU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 20kB Flash 256B RAM 4.0V-6.0V | ||
| AT89C55WD-24AU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ | ||
| AT89C55WD-24AC | IC MCU 8BIT 20KB FLASH 44TQFP | ||
| AT89C55WD-24AUR | 8-bit Microcontrollers - MCU 8Bit MCU Low Powe | ||
| AT89C55WD-24JC | IC MCU 8BIT 20KB FLASH 44PLCC | ||
| AT89C55WD-24PI | IC MCU 8BIT 20KB FLASH 40DIP | ||
| AT89C55-33JC | IC MCU 8BIT 20KB FLASH 44PLCC | ||
| AT89C55WD-24AI | IC MCU 8BIT 20KB FLASH 44TQFP | ||
| AT89C55WD24PU | New and Original | ||
| AT89C55WD24JU | 8-BIT MICROCONTROLLER WITH 20K BYTES FLASH GREEN, PLASTIC, MS-018AC, LCC-44 | ||
| AT89C55WD-24JUR | (Alt: AT89C55WD-24JUR) | ||
| AT89C5224PC | New and Original | ||
| AT89C5224PC , SGM809-ZXN | New and Original | ||
| AT89C5224PI | New and Original | ||
| AT89C52PC/PI | New and Original | ||
| AT89C55-24AI | New and Original | ||
| AT89C55-24JI | 8-bit Microcontrollers - MCU 80C31 w/20k | ||
| AT89C55-24PI | 8-bit Microcontrollers - MCU 80C31 w/20k | ||
| AT89C55-24QI | New and Original | ||
| AT89C55-33PC | MicroController, 8-Bit, 40 Pin, Plastic, DIP | ||
| AT89C5524AC | New and Original | ||
| AT89C55DW-24PI | New and Original | ||
| AT89C55WD | New and Original | ||
| AT89C55WD-24AU/AI | New and Original | ||
| AT89C55WD-24JU/JI | New and Original | ||
| AT89C55WD-24PU/PI | New and Original | ||
| AT89C55WD24PI | New and Original | ||
| AT89C5RD2-UM | New and Original | ||
| AT89C5224JC | INSTOCK | ||
| AT89C55-24PC | 8-bit Microcontrollers - MCU Microcontrolle | ||
| AT89C55WD-24JI | IC MCU 8BIT 20KB FLASH 44PLCC | ||
| AT89C55WD-24PC | IC MCU 8BIT 20KB FLASH 40DIP | ||
| AT89C55-24JC | IC MCU 8BIT 20KB FLASH 44PLCC |