| PartNumber | AT90S8535-8AI | AT90S8535-8AC | AT90S8535-8JC |
| Description | 8-bit Microcontrollers - MCU 8 bit 8k byte | 8-bit Microcontrollers - MCU 8K Flash 5V | 8-bit Microcontrollers - MCU 8K Flash 5V |
| 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 | TQFP-44 | PLCC-44 |
| Series | 90S | 90S | 90S |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 8 MHz | 8 MHz | 8 MHz |
| Program Memory Size | 8 kB | 8 kB | 8 kB |
| Data RAM Size | 512 B | 512 B | 512 B |
| Number of I/Os | 32 I/O | 32 I/O | 32 I/O |
| Minimum Operating Temperature | - 40 C | 0 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 70 C | + 70 C |
| Height | 1 mm | 1 mm | 3.48 mm |
| Length | 10 mm | 10 mm | 16.7 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 10 mm | 10 mm | 16.7 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Interface Type | UART | UART | UART |
| Number of Timers/Counters | 3 Timer | 3 Timer | 3 Timer |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 6 V | 6 V | 6 V |
| Supply Voltage Min | 4 V | 4 V | 4 V |
| Factory Pack Quantity | - | - | 27 |
| Unit Weight | - | - | 0.084185 oz |