ATMEGA640V-8AUR vs ATMEGA1280V-8AUR Comparison
Detailed side-by-side comparison of ATMEGA640V-8AUR by Microchip Technology and ATMEGA1280V-8AUR 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
ATMEGA640V-8AUR - 8-bit AVR MCU 64KB Flash 8MHz TQFP-100 | Microchip
ATMEGA640V-8AUR ✓ ActiveMicrochip Technology
ATMEGA1280V-8AUR - 8MHz 128KB Flash AVR MCU | Microchip (Tape & Reel)
ATMEGA1280V-8AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA640V-8AUR | ATMEGA1280V-8AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR 8-bit RISC | AVR |
| Core Size | 8-bit | 8-Bit |
| Maximum Clock Frequency | 8 MHz | — |
| Flash Memory Size | 64 KB (32K x 16) | — |
| SRAM Size | 8 KB | — |
| EEPROM Size | 4 KB | — |
| Supply Voltage Range | 1.8 V to 5.5 V | 2.7 V to 5.5 V |
| Number of I/O | 86 | 86 |
| Package | 100-TQFP (14 x 14 mm) | 100-TQFP (14 x 14 mm, 1.0 mm height) |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8/16 | 16-channel, 10-bit |
| USART | 2/4 programmable serial USART | 4 |
| Connectivity | EBI/EMI, I2C (TWI), SPI, UART/USART | — |
| Timers/Counters | Six flexible timer/counters | 6 (with compare modes and PWM) |
| General Purpose Working Registers | 32 | — |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| Watchdog Timer | Programmable, separate on-chip oscillator | Yes, with internal oscillator |
| Analog Comparator | On-chip | — |
| RoHS Status | Compliant (GREEN per FindIC listing) | [DATA_NEEDED: RoHS compliance status] |
| Max Clock Speed | — | 8 MHz |
| Flash Memory | — | 128 KB (64K x 16) |
| SRAM | — | 8 KB |
| EEPROM | — | 4 KB |
| Communication Interfaces | — | I2C (TWI), SPI, 4x USART |
| Instructions | — | 133 instructions, most single-cycle |
| Working Registers | — | 32 x 8-bit general purpose |
| Programming | — | In-System Programmable (ISP) |
| Lifecycle Status | — | Active |