ATMEGA640V-8AU vs ATMEGA6450V-8AUR Comparison
Detailed side-by-side comparison of ATMEGA640V-8AU 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-8AU - 8MHz 64KB Flash AVR MCU 100-TQFP | Microchip
ATMEGA640V-8AU ✓ ActiveMicrochip Technology
ATMEGA6450V-8AUR - 8MHz AVR MCU 64KB Flash TQFP-100 | Microchip
ATMEGA6450V-8AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA640V-8AU | ATMEGA6450V-8AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.95 | $6.41 |
| Core Architecture | 8-bit AVR RISC | — |
| Max Clock Frequency | 8 MHz | — |
| Flash Memory | 64 KB (32K x 16) | 64KB (32K x 16) |
| SRAM | 8 KB | 4KB |
| EEPROM | 4 KB | 2KB |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O | 86 lines | — |
| Timers/Counters | 6 | — |
| USART Interfaces | 4 | — |
| Serial Interfaces | SPI, 2-wire (I2C-compatible), 4x USART | — |
| ADC | 10-bit, 16-channel | — |
| Analog Comparator | Yes, on-chip | — |
| Watchdog Timer | Yes, with separate on-chip oscillator | — |
| External Memory Interface | EBI/EMI | — |
| Package | 100-TQFP (14 x 14 mm) | 100-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Program Memory Type | ISP Flash | — |
| Series | AVR ATmega | — |
| RoHS Status | Compliant | Compliant (GREEN package) |
| Core Processor | — | AVR 8-bit RISC |
| Core Size | — | 8-Bit |
| Maximum Clock Frequency | — | 8 MHz |
| 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 |
| Packaging | — | Tape & Reel (R suffix) |
| Peripheral Set | — | 10-bit ADC, timers/PWM, USART, SPI, TWI |
| Product Family | — | AVR ATmega megaAVR (ATmega6450 series) |