ATMEGA1280V-8CU vs ATMEGA640V-8CU Comparison
Detailed side-by-side comparison of ATMEGA1280V-8CU by Microchip Technology and ATMEGA640V-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
ATMEGA1280V-8CU - 8-bit AVR MCU 128KB Flash 8MHz CBGA-100 | Microchip
ATMEGA1280V-8CU ✓ ActiveMicrochip Technology
ATMEGA640V-8CU - 8MHz AVR 64KB Flash MCU 100-CBGA | Microchip
ATMEGA640V-8CU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1280V-8CU | ATMEGA640V-8CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $12.20 | $8.36 |
| Core | AVR 8-bit RISC | — |
| Clock Speed (max) | 8 MHz | — |
| Program Memory (Flash) | 128 KB (64K x 16) | — |
| SRAM | 8 KB | 8 KB |
| EEPROM | 4 KB | 4 KB |
| Supply Voltage (Vcc) | 2.7 V to 5.5 V | — |
| General-Purpose I/O Lines | 86 | — |
| Working Registers | 32 | — |
| ADC | 10-bit, 8/16 channels | — |
| Timers | 6 flexible timers/counters | — |
| USART | 4 | — |
| SPI | 1 master/slave | Master/Slave |
| TWI (I2C) | 1 byte-oriented | — |
| Analog Comparator | Yes (on-chip) | On-chip |
| Watchdog Timer | Yes, with separate on-chip oscillator | Programmable, separate on-chip oscillator |
| Package | 100-ball CBGA (9x9 mm) | 100-CBGA (9x9 mm) |
| Operating Temperature | -40 C to +85 C (industrial) | — |
| Instruction Set | 133/135 powerful instructions, mostly single-cycle | — |
| In-System Programming | Yes (self-programmable Flash) | — |
| Debug Interface | JTAG / on-chip debug | — |
| Mounting Type | Surface Mount (BGA) | Surface Mount |
| RoHS Status | Compliant | Green / lead-free per FindIC listing |
| Core Processor | — | AVR 8-bit RISC |
| Core Size | — | 8-bit |
| Speed | — | 8 MHz |
| Flash Memory | — | 64 KB (32K x 16) |
| Number of I/O | — | 86 |
| Supply Voltage Range | — | [DATA_NEEDED: supply voltage range] (V-grade per FindIC listing) |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8/16-channel |
| USART Peripherals | — | Up to 4 |
| 2-Wire Interface (TWI/I2C) | — | Yes |
| Temperature Grade | — | Industrial |