| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| AT28C64B-20JC | 64K(8K x 8) CMOS EEPROM with page write and software data protection | ATMEL-Corporation | PLCC | 32 | 0°C | 70°C | 660 K |
| AT28C64B-20PC | 64K(8K x 8) CMOS EEPROM with page write and software data protection | ATMEL-Corporation | PDIP | 28 | 0°C | 70°C | 660 K |
| AT89C51-20AC | 8-bit microcontroller with 4K bytes flash, 5V, 20MHz | ATMEL-Corporation | TQFP | 44 | 0°C | 70°C | 129 K |
| AT89C51-20AI | 8-bit microcontroller with 4K bytes flash, 5V, 20MHz | ATMEL-Corporation | TQFP | 44 | -40°C | 85°C | 129 K |
| AT89C51-20JC | 8-bit microcontroller with 4K bytes flash, 5V, 20MHz | ATMEL-Corporation | PLCC | 44 | 0°C | 70°C | 129 K |
| AT89C51-20JI | 8-bit microcontroller with 4K bytes flash, 5V, 20MHz | ATMEL-Corporation | PLCC | 44 | -40°C | 85°C | 129 K |
| AT89C51-20PC | 8-bit microcontroller with 4K bytes flash, 5V, 20MHz | ATMEL-Corporation | PDIP | 40 | 0°C | 70°C | 129 K |
| AT89C51-20PI | 8-bit microcontroller with 4K bytes flash, 5V, 20MHz | ATMEL-Corporation | PDIP | 40 | -40°C | 85°C | 129 K |
| AT89C51-20QC | 8-bit microcontroller with 4K bytes flash, 5V, 20MHz | ATMEL-Corporation | PQFP | 44 | 0°C | 70°C | 129 K |
| AT89C51-20QI | 8-bit microcontroller with 4K bytes flash, 5V, 20MHz | ATMEL-Corporation | PQFP | 44 | -40°C | 85°C | 129 K |
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