ATMEGA1284-AU vs ATMEGA1284-AUR Comparison
Detailed side-by-side comparison of ATMEGA1284-AU by Microchip Technology and ATMEGA1284-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
ATMEGA1284-AU - 8-Bit AVR MCU 128KB Flash 20MHz | Microchip (Tape & Reel)
ATMEGA1284-AU ✓ ActiveMicrochip Technology
ATMEGA1284-AUR - 8-Bit AVR MCU 128KB Flash 20MHz | Microchip
ATMEGA1284-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1284-AU | ATMEGA1284-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.89 | $4.61 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory Size | 128 KB ISP Flash (64K x 16) | 128 KB ISP Flash (64K x 16) |
| SRAM | 16 KB | 16 KB |
| EEPROM | 4 KB | 4 KB |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Throughput | Up to 20 MIPS at 20 MHz | Up to 20 MIPS at 20 MHz |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Operating Voltage (Full 20 MHz) | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O Lines | 32 | 32 |
| General Purpose Working Registers | 32 | 32 |
| Instruction Set | 131 powerful instructions, most single-clock cycle | 131 powerful instructions, most single-clock cycle |
| ADC | 8-channel, 10-bit successive approximation | 8-channel, 10-bit successive approximation |
| USART Interfaces | 2 | 2 |
| Timer/Counters | 3 flexible timer/counters with compare modes and PWM | 3 flexible timer/counters with compare modes and PWM |
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel | Tape & Reel |
| Operating Temperature | -40C to +85C | -40C to +85C |
| RoHS Status | Compliant | Compliant |
| Lifecycle Stage | Active | Active |