ATMEGA640V-8CU vs ATMEGA1280V-8CU Comparison
Detailed side-by-side comparison of ATMEGA640V-8CU by Microchip Technology and ATMEGA1280V-8CU 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-8CU - 8MHz AVR 64KB Flash MCU 100-CBGA | Microchip
ATMEGA640V-8CU β ActiveMicrochip Technology
ATMEGA1280V-8CU - AVR 8-Bit MCU 128KB 8MHz CBGA-100 | Microchip
ATMEGA1280V-8CU β ActiveSpecification Comparison
| Parameter | ATMEGA640V-8CU | ATMEGA1280V-8CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.36 | $6.10 |
| Core Processor | AVR 8-bit RISC | AVR |
| Core Size | 8-bit | 8-Bit |
| Speed | 8 MHz | β |
| Flash Memory | 64 KB (32K x 16) | 128KB (64K x 16) In-System Programmable |
| EEPROM | 4 KB | 4KB |
| SRAM | 8 KB | 8KB |
| Number of I/O | 86 | β |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range] (V-grade per FindIC listing) | 2.7 V to 5.5 V |
| ADC Resolution | 10-bit | 10-bit |
| ADC Channels | 8/16-channel | 8/16-channel (ATmega1280: 16-channel) |
| USART Peripherals | Up to 4 | β |
| SPI | Master/Slave | β |
| 2-Wire Interface (TWI/I2C) | Yes | β |
| Watchdog Timer | Programmable, separate on-chip oscillator | Programmable, separate on-chip oscillator |
| Analog Comparator | On-chip | β |
| Package | 100-CBGA (9x9 mm) | 100-CBGA (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Industrial | β |
| RoHS Status | Green / lead-free per FindIC listing | GREEN (per distributor listing) |
| Instruction Set | β | RISC (133/135 instructions, most single-cycle) |
| Max Clock Speed | β | 8 MHz |
| General Purpose I/O | β | 86 lines |
| USART | β | 4 channels |
| Serial Interfaces | β | SPI, 2-wire (TWI/I2C) |
| Timers | β | Six flexible timers with output compare modulator |
| Debug/Scan | β | JTAG boundary scan and on-chip debug |
| Working Registers | β | 32 general purpose |
| Operating Temperature | β | [DATA_NEEDED: operating temperature range] |