| PartNumber | AT90SCR100H-Z1T | AT90SCR100LHS-Z1R | AT90SCR100H-ALT |
| Description | 8-bit Microcontrollers - MCU Smart Card Reader Flash | 8-bit Microcontrollers - MCU Smart Card Reader Flash | 8-bit Microcontrollers - MCU Smart Card Reader Flash |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Shipping Restrictions | |||
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-32 | QFN-32 | LQFP-64 |
| Series | 90S | 90S | 90S |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 48 MHz | 48 MHz | 48 MHz |
| Program Memory Size | 64 kB | 64 kB | 64 kB |
| Data RAM Size | 4 kB | 4 kB | 4 kB |
| ADC Resolution | No ADC | No ADC | No ADC |
| Number of I/Os | 4 I/O | 4 I/O | 4 I/O |
| Operating Supply Voltage | 2.4 V to 5.5 V | 2.4 V to 5.5 V | 2.4 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Height | 0.85 mm | 0.85 mm | 1.45 mm |
| Length | 5 mm | 5 mm | 10 mm |
| Program Memory Type | Flash | Flash | Flash |
| Width | 5 mm | 5 mm | 10 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Interface Type | 2-Wire, SPI, USART | 2-Wire, SPI, USART | 2-Wire, SPI, USART |
| Number of Timers/Counters | 3 Timer | 3 Timer | 3 Timer |
| Processor Series | AT90SCRx | AT90SCRx | AT90SCRx |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Unit Weight | 0.002448 oz | 0.002448 oz | 0.012088 oz |