ATMEGA6450V-8AUR vs ATMEGA640V-8AU Comparison
Detailed side-by-side comparison of ATMEGA6450V-8AUR by Microchip Technology and ATMEGA640V-8AU 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
ATMEGA6450V-8AUR - 8MHz AVR MCU 64KB Flash TQFP-100 | Microchip
ATMEGA6450V-8AUR ✓ ActiveMicrochip Technology
ATMEGA640V-8AU - 8MHz 64KB Flash AVR MCU 100-TQFP | Microchip
ATMEGA640V-8AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA6450V-8AUR | ATMEGA640V-8AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR 8-bit RISC | — |
| Core Size | 8-Bit | — |
| Maximum Clock Frequency | 8 MHz | — |
| Flash Memory | 64KB (32K x 16) | 64 KB (32K x 16) |
| EEPROM | 2KB | 4 KB |
| SRAM | 4KB | 8 KB |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Instruction Count | 130 instructions (most single-cycle) | — |
| Operating Temperature | -40C to +85C (Industrial) | — |
| Package | 100-TQFP (14 x 14 mm) | 100-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Programmability | In-System Programmable (ISP) Flash | — |
| LCD Controller | Integrated segment LCD driver | — |
| RoHS Status | Compliant (GREEN package) | Compliant |
| Packaging | Tape & Reel (R suffix) | — |
| Peripheral Set | 10-bit ADC, timers/PWM, USART, SPI, TWI | — |
| Product Family | AVR ATmega megaAVR (ATmega6450 series) | — |
| Core Architecture | — | 8-bit AVR RISC |
| Max Clock Frequency | — | 8 MHz |
| 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 |
| Program Memory Type | — | ISP Flash |
| Series | — | AVR ATmega |