ATMEGA644PA-ANR vs ATMEGA644PA-AUR Comparison
Detailed side-by-side comparison of ATMEGA644PA-ANR by Microchip Technology and ATMEGA644PA-AUR by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATMEGA644PA-ANR - 8-bit AVR MCU 64KB Flash 44-TQFP | Microchip
ATMEGA644PA-ANR β ActiveMicrochip Technology
ATMEGA644PA-AUR - 8-Bit AVR MCU 64KB Flash 20MHz TQFP-44 | Microchip
ATMEGA644PA-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA644PA-ANR | ATMEGA644PA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.35 | $1.78 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Speed | 16 MHz | β |
| Program Memory Size | 64 KB (32K x 16) | β |
| Program Memory Type | FLASH | β |
| EEPROM Size | 2 KB | β |
| RAM Size | 4 KB | β |
| Number of I/O | 32 | β |
| Oscillator Type | Internal | β |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | β |
| Connectivity | I2C, SPI, USART | β |
| ADC Resolution | 10-bit, 8 channels | β |
| Architecture Features | 131 instructions, most single-cycle, 2-cycle on-chip multiplier | β |
| Package / Case | 44-TQFP (10x10 mm) | β |
| Operating Temperature | -40C to +105C | β |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | Tape & Reel (T/R) |
| Technology | picoPower | β |
| Voltage - Supply | [DATA_NEEDED: Voltage - Supply] | β |
| RoHS Status | Green (RoHS compliant per FindIC listing) | Compliant (GREEN) |
| Core Architecture | β | 8-bit AVR RISC (Harvard) |
| Flash Memory (ISP) | β | 64 KB (32K x 16) with read-while-write |
| SRAM | β | 4 KB |
| EEPROM | β | 2 KB |
| Maximum Clock Frequency | β | 20 MHz |
| Maximum Throughput | β | 20 MIPS (1 MIPS per MHz) |
| Instructions | β | 131 instructions, mostly single-clock cycle |
| Hardware Multiplier | β | On-chip 2-cycle multiplier |
| General Purpose I/O | β | 32 lines |
| Working Registers | β | 32 general purpose |
| Timers/Counters | β | 3 flexible timer/counters with compare modes and PWM |
| USART | β | 2 |
| Serial Interfaces | β | TWI (I2C-compatible), SPI |
| ADC | β | 8-channel 10-bit |
| Real-Time Counter | β | Yes |
| Supply Voltage | β | 2.5 V / 3.3 V / 5 V operation |
| Package | β | 44-TQFP (10 x 10 mm) |
| Low Power Technology | β | picoPower |