ATMEGA640V-8AUR vs ATMEGA6450V-8AI Comparison
Detailed side-by-side comparison of ATMEGA640V-8AUR by Microchip Technology and ATMEGA6450V-8AI 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-8AI - 8-bit AVR MCU 64KB Flash 8MHz | Microchip
ATMEGA6450V-8AI ✓ ActiveSpecification Comparison
| Parameter | ATMEGA640V-8AUR | ATMEGA6450V-8AI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $9.60 | $2.25 |
| Core Processor | AVR 8-bit RISC | — |
| Core Size | 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 (14x14 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) | — |
| Watchdog Timer | Programmable, separate on-chip oscillator | — |
| Analog Comparator | On-chip | — |
| RoHS Status | Compliant (GREEN per FindIC listing) | Compliant (green package, AI suffix) |
| Core Architecture | — | AVR 8-bit RISC |
| Program Memory (Flash) | — | 64 KB (32K x 16), In-System Programmable |
| EEPROM | — | 2 KB |
| SRAM | — | 4 KB |
| ADC | — | Yes, 10-bit |
| Operating Temperature | — | -40C to +85C (Industrial) |
| Speed Rating | — | V (1.8V low-voltage grade) |
| In-System Programming | — | Yes (ISP / boot section) |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |
| GPIO Count | — | [DATA_NEEDED: number of programmable I/O lines] |
| Number of Timers | — | [DATA_NEEDED: timer/counter configuration] |