ATMEGA645A-AU vs ATMEGA649V-8AUR Comparación
Comparación detallada lado a lado de ATMEGA645A-AU por Microchip Technology y ATMEGA649V-8AUR por Microchip Technology. Compare las especificaciones clave, los parámetros eléctricos, el encapsulado, el estado del ciclo de vida, los precios y la disponibilidad para determinar el mejor componente para los requisitos de su diseño.
Microchip Technology
ATMEGA645A-AU - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA645A-AU ✓ ActivoMicrochip Technology
ATMEGA649V-8AUR - 8MHz AVR MCU 64KB Flash LCD | Microchip
ATMEGA649V-8AUR ✓ ActivoComparación de especificaciones
| Parámetro | ATMEGA645A-AU | ATMEGA649V-8AUR |
|---|---|---|
| Marca | Microchip Technology | Microchip Technology |
| Categoría | Microcontrollers | Microcontrollers |
| Estado del ciclo de vida | Activo | Activo |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $3,95 | $4,88 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max CPU Frequency | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) In-System Programmable | — |
| EEPROM | 2 KB | — |
| SRAM | 4 KB | — |
| General Purpose I/O | 54 GPIO | 54 I/O lines |
| Encapsulado | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| Tipo de montaje | Surface Mount | Surface Mount |
| Tensión de alimentación | 4.5 V to 5.5 V (16 MHz operation) | — |
| Temperatura de funcionamiento | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| ADC | 10-bit, up to 8 channels | — |
| LCD Controller | Yes, up to 4 COM x 25 SEG | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | [DATA_NEEDED: USART/SPI/TWI count] |
| Timers | 2 x 8-bit, 1 x 16-bit (plus watchdog) | [DATA_NEEDED: timer peripheral count and sizes] |
| Número de pines | 64 | — |
| Estado RoHS | Compliant | Compliant |
| Nivel MSL | [DATA_NEEDED: moisture sensitivity level] | — |
| Program Memory Size | — | 64KB (32K x 16) Flash |
| EEPROM Size | — | 2KB |
| SRAM Size | — | 4KB |
| Frecuencia de reloj máxima | — | 8 MHz |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| LCD Driver | — | Segment LCD controller (up to 4x40 / 132 segments per datasheet) |
| JTAG Interface | — | Yes (boundary-scan and on-chip debug) |
| Packaging | — | Tape & Reel (R suffix) |
| Estado del ciclo de vida | — | Active (newer device available: ATMEGA649A) |
| ADC Resolution | — | [DATA_NEEDED: ADC resolution and channels] |
| MIPS Rating | — | [DATA_NEEDED: MIPS at 8 MHz] |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |