PartNumber | AT89C55WD-24JU | AT89C55WD-24JC | AT89C55WD-24JI |
Description | 8-bit Microcontrollers - MCU 20kB Flash 256B RAM 4.0V-6.0V | 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ COM TEMP | IC MCU 8BIT 20KB FLASH 44PLCC |
Manufacturer | Microchip | Microchip | - |
Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
RoHS | Y | N | - |
Mounting Style | SMD/SMT | SMD/SMT | - |
Package / Case | PLCC-44 | PLCC-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 | - |
ADC Resolution | No ADC | No ADC | - |
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 | 0 C | - |
Maximum Operating Temperature | + 85 C | + 70 C | - |
Packaging | Tube | - | - |
Height | 3.48 mm (Max) | 3.48 mm | - |
Length | 16.7 mm (Max) | 16.7 mm | - |
Program Memory Type | Flash | Flash | - |
Width | 16.7 mm (Max) | 16.7 mm | - |
Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
Interface Type | UART | - | - |
Moisture Sensitive | Yes | Yes | - |
Number of Timers/Counters | 3 Timer | 3 Timer | - |
Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
Factory Pack Quantity | 27 | 27 | - |
Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
Supply Voltage Max | 5.5 V | 5.5 V | - |
Supply Voltage Min | 4 V | 4 V | - |
Unit Weight | 0.084185 oz | 0.084185 oz | - |
Data ROM Type | - | Flash | - |