ATMEGA640V-8AUR vs ATMEGA6450V-8AUR Comparison
Detailed side-by-side comparison of ATMEGA640V-8AUR by Microchip Technology and ATMEGA6450V-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
ATMEGA6450V-8AUR - 8MHz AVR MCU 64KB Flash TQFP-100 | Microchip
ATMEGA6450V-8AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA640V-8AUR | ATMEGA6450V-8AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $9.60 | $6.41 |
| Core Processor | AVR 8-bit RISC | AVR 8-bit RISC |
| Core Size | 8-bit | 8-Bit |
| Maximum Clock Frequency | 8 MHz | 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 | 1.8 V to 5.5 V |
| Number of I/O | 86 | — |
| Package | 100-TQFP (14 x 14 mm) | 100-TQFP (14 x 14 mm) |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8/16 | — |
| USART | 2/4 programmable serial USART | — |
| Connectivity | EBI/EMI, I2C (TWI), SPI, UART/USART | — |
| Timers/Counters | Six flexible timer/counters | — |
| General Purpose Working Registers | 32 | — |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | Tape & Reel (R suffix) |
| Watchdog Timer | Programmable, separate on-chip oscillator | — |
| Analog Comparator | On-chip | — |
| RoHS Status | Compliant (GREEN per FindIC listing) | Compliant (GREEN package) |
| Flash Memory | — | 64KB (32K x 16) |
| EEPROM | — | 2KB |
| SRAM | — | 4KB |
| Instruction Count | — | 130 instructions (most single-cycle) |
| Operating Temperature | — | -40C to +85C (Industrial) |
| Programmability | — | In-System Programmable (ISP) Flash |
| LCD Controller | — | Integrated segment LCD driver |
| Peripheral Set | — | 10-bit ADC, timers/PWM, USART, SPI, TWI |
| Product Family | — | AVR ATmega megaAVR (ATmega6450 series) |