PartNumber | ATMEGA644PA-MU | ATMEGA644PA-MNR | ATMEGA644PA-MN |
Description | 8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins | 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C | 8-bit Microcontrollers - MCU AVR 64 KB FL 2 KB EE 4KB RAM 16 MHZ GRN |
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 |
Package / Case | QFN-44 | VQFN-44 | VQFN-44 |
Series | ATmega644 | ATmega644 | ATmega644 |
Core | AVR | AVR | AVR |
Data Bus Width | 8 bit | 8 bit | 8 bit |
Maximum Clock Frequency | 20 MHz | 20 MHz | 20 MHz |
Program Memory Size | 64 kB | - | 64 kB |
Data RAM Size | 4 kB | - | 4 kB |
Number of I/Os | 32 I/O | - | - |
Operating Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
Minimum Operating Temperature | - 40 C | - | - 40 C |
Maximum Operating Temperature | + 85 C | - | + 85 C |
Packaging | Tray | Reel | Tray |
Product | MCU | MCU | MCU |
Program Memory Type | Flash | - | - |
Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
Data RAM Type | SRAM | - | - |
Interface Type | SPI, TWI, UART | - | - |
Processor Series | megaAVR | megaAVR | megaAVR |
Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
Factory Pack Quantity | 360 | 4000 | 360 |
Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
Tradename | AVR | AVR | AVR |
Unit Weight | 0.013051 oz | - | - |
Moisture Sensitive | - | - | Yes |