8-bit AVR microcontroller featuring 64KB Flash memory and 8KB RAM. Operates at up to 16MHz with an 8-bit data bus width. Offers 86 programmable I/Os, 16 ADC channels, 16 PWM channels, and 6 timers/counters. Supports I2C, SPI, and UART interfaces, with a supply voltage range of 2.7V to 5.5V. Packaged in a 100-TQFP for surface mounting, this lead-free component is RoHS compliant.
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Microchip ATMEGA640-16AU technical specifications.
| Access Time | 16us |
| Package/Case | A |
| Core Architecture | AVR |
| Data Bus Width | 8b |
| Density | 64KB |
| Frequency | 16MHz |
| Height | 1.05mm |
| Interface | I2C, SPI, UART, USART, EBI/EMI, 2-Wire |
| Lead Free | Lead Free |
| Length | 14.1mm |
| Max Frequency | 16MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 64KB |
| Memory Type | FLASH, , EEPROM |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 2.7V |
| Mount | Surface Mount |
| Number of ADC Channels | 16 |
| Number of Bits | 8 |
| Number of I/Os | 86 |
| Number of I2C Channels | 1 |
| Number of Programmable I/O | 86 |
| Number of PWM Channels | 16 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 6 |
| Oscillator Type | Internal |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Radiation Hardening | No |
| RAM Size | 8KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | AVR® ATmega |
| Termination | SMD/SMT |
| Watchdog Timer | Yes |
| Width | 14.1mm |
| RoHS | Compliant |
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