| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| AT89C55WD-24JI | 8-bit microcontroller with 20K bytes flash, 256 x 8-bit internal RAM, 4.0V to 5.5V, 24 MHz | ATMEL-Corporation | PLCC | 44 | -40°C | 85°C | 278 K |
| AT89C55WD-33AC | 8-bit microcontroller with 20K bytes flash, 256 x 8-bit internal RAM, 4.5V to 5.5V, 33 MHz | ATMEL-Corporation | TQFP | 44 | 0°C | 70°C | 278 K |
| AT89C55WD-33JC | 8-bit microcontroller with 20K bytes flash, 256 x 8-bit internal RAM, 4.5V to 5.5V, 33 MHz | ATMEL-Corporation | PLCC | 44 | 0°C | 70°C | 278 K |
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