ATMEGA1280V-8AU vs ATMEGA640V-8AU Comparison
Detailed side-by-side comparison of ATMEGA1280V-8AU by Microchip Technology and ATMEGA640V-8AU 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
ATMEGA1280V-8AU - 8MHz 128KB Flash AVR MCU | Microchip
ATMEGA1280V-8AU β ActiveMicrochip Technology
ATMEGA640V-8AU - 8MHz 64KB Flash AVR MCU 100-TQFP | Microchip
ATMEGA640V-8AU β ActiveSpecification Comparison
| Parameter | ATMEGA1280V-8AU | ATMEGA640V-8AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $12.12 | $3.95 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Max Clock Speed | 8 MHz | β |
| Flash Memory | 128 KB (64K x 16) | 64 KB (32K x 16) |
| SRAM | 8 KB | 8 KB |
| EEPROM | 4 KB | 4 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| Number of I/O | 86 | β |
| Timers/Counters | 6 (with compare modes and PWM) | 6 |
| USART | 4 | β |
| Communication Interfaces | I2C (TWI), SPI, 4x USART | β |
| ADC Channels | 16-channel, 10-bit | β |
| Instructions | 133 instructions, most single-cycle | β |
| Working Registers | 32 x 8-bit general purpose | β |
| Package | 100-TQFP (14 x 14 mm, 1.0 mm height) | 100-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Programming | In-System Programmable (ISP) | β |
| Watchdog Timer | Yes, with internal oscillator | Yes, with separate on-chip oscillator |
| Lifecycle Status | Active | β |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | Compliant |
| Core Architecture | β | 8-bit AVR RISC |
| Max Clock Frequency | β | 8 MHz |
| General Purpose I/O | β | 86 lines |
| USART Interfaces | β | 4 |
| Serial Interfaces | β | SPI, 2-wire (I2C-compatible), 4x USART |
| ADC | β | 10-bit, 16-channel |
| Analog Comparator | β | Yes, on-chip |
| External Memory Interface | β | EBI/EMI |
| Program Memory Type | β | ISP Flash |
| Series | β | AVR ATmega |