PartNumber | ATMEGA645-16AUR | ATMEGA645-16AU | ATMEGA645-16MU |
Description | 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, 5V | 8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 54 I/O Pins | 8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC |
Manufacturer | Microchip | Microchip | Microchip |
Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
RoHS | Y | Y | Y |
Package / Case | TQFP-64 | TQFP-64 | MLF-64 |
Series | ATmega645 | ATmega645 | ATmega645 |
Core | AVR | AVR | AVR |
Data Bus Width | 8 bit | 8 bit | 8 bit |
Maximum Clock Frequency | 16 MHz | 16 MHz | 16 MHz |
Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
Packaging | Reel | Tray | Tray |
Product | MCU | MCU | MCU |
Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
Moisture Sensitive | Yes | Yes | Yes |
Processor Series | megaAVR | megaAVR | megaAVR |
Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
Factory Pack Quantity | 1000 | 90 | 260 |
Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
Tradename | AVR | AVR | AVR |
Mounting Style | - | SMD/SMT | SMD/SMT |
Program Memory Size | - | 64 kB | 64 kB |
Data RAM Size | - | 4 kB | 4 kB |
ADC Resolution | - | 10 bit | 10 bit |
Number of I/Os | - | 54 I/O | 54 I/O |
Minimum Operating Temperature | - | - 40 C | - 40 C |
Maximum Operating Temperature | - | + 85 C | + 85 C |
Height | - | 1 mm | 0.95 mm |
Length | - | 14 mm | 9 mm |
Program Memory Type | - | Flash | Flash |
Width | - | 14 mm | 9 mm |
Data RAM Type | - | SRAM | SRAM |
Data ROM Size | - | 2 kB | 2 kB |
Data ROM Type | - | EEPROM | EEPROM |
Interface Type | - | JTAG, SPI, USART, USI | JTAG, SPI, USART, USI |
Analog Supply Voltage | - | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
DAC Resolution | - | - | - |
I/O Voltage | - | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
Number of ADC Channels | - | 8 Channel | 8 Channel |
Number of Timers/Counters | - | 3 Timer | 3 Timer |
Supply Voltage Max | - | 5.5 V | 5.5 V |
Supply Voltage Min | - | 2.7 V | 2.7 V |
Watchdog Timers | - | Watchdog Timer | Watchdog Timer |
Unit Weight | - | 0.012720 oz | 0.235172 oz |