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| PartNumber | ATMEGA640-16AU | ATMEGA640-16CU | ATMEGA640-16AUR |
| Description | 8-bit Microcontrollers - MCU 64kB Flash 4kB EEPROM 86 I/O Pins | 8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-16 MHZ 5V | 8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-16MHZ 5V IND |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TQFP-100 | CBGA-100 | TQFP-100 |
| Series | ATmega640 | ATmega640 | ATmega640 |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 16 MHz | 16 MHz | 16 MHz |
| Program Memory Size | 64 kB | 64 kB | 64 kB |
| Data RAM Size | 8 kB | 8 kB | 8 kB |
| ADC Resolution | 10 bit | 10 bit | 10 bit |
| Number of I/Os | 86 I/O | 86 I/O | 86 I/O |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Tray | Reel |
| Height | 1 mm | 0.8 mm | - |
| Length | 14 mm | 9 mm | - |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 14 mm | 9 mm | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | SRAM |
| Data ROM Size | 4 kB | 4 kB | 4 kB |
| Data ROM Type | EEPROM | EEPROM | EEPROM |
| Interface Type | 2-Wire, SPI, USART | 2-Wire, SPI, USART | 2-Wire, SPI, USART |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 16 | 16 | 16 Channel |
| Number of Timers/Counters | 6 Timer | 6 Timer | 2 x 8 bit/4 x 16 bit |
| Processor Series | megaAVR | megaAVR | megaAVR |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 90 | 250 | 1500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 2.7 V | 2.7 V | 2.7 V |
| Tradename | AVR | AVR | AVR |
| Unit Weight | 0.023175 oz | - | 0.017531 oz |
| Analog Supply Voltage | - | - | 2.7 V to 5.5 V |
| Watchdog Timers | - | - | Watchdog Timer |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
ATMEGA640-16AU | 8-bit Microcontrollers - MCU 64kB Flash 4kB EEPROM 86 I/O Pins | |
| ATMEGA640-16CU | 8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-16 MHZ 5V | ||
| ATMEGA640-16AUR | 8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-16MHZ 5V IND | ||
| ATMEGA640-16CUR | 8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-16MHZ 5V IND | ||
| ATMEGA640-16CUR | IC MCU 8BIT 64KB FLASH 100CBGA AVR ATmega | ||
| ATMEGA640-16AUR | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-16MHZ 5V IND | ||
| ATMEGA640-16CU | IC MCU 8BIT 64KB FLASH 100CBGA AVR ATmega | ||
| ATMEGA640-16AU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 64kB Flash 4kB EEPROM 86 I/O Pins |