ATMEGA644P-20AU vs ATMEGA644P-15AT Сравнение
Подробное сравнение бок о бок ATMEGA644P-20AU от Microchip Technology и ATMEGA644P-15AT от Microchip Technology. Сравните ключевые характеристики, электрические параметры, упаковку, статус жизненного цикла, цены и наличие, чтобы выбрать лучший компонент для ваших требований.
Microchip Technology
ATMEGA644P-20AU - 8-Bit AVR MCU 20MHz 64KB Flash TQFP-44 | Microchip
ATMEGA644P-20AU ✓ АктивенMicrochip Technology
ATMEGA644P-15AT - 8-bit AVR MCU 64KB Flash 16MHz TQFP-44 | Microchip
ATMEGA644P-15AT ObsoleteСравнение характеристик
| Параметр | ATMEGA644P-20AU | ATMEGA644P-15AT |
|---|---|---|
| Бренд | Microchip Technology | Microchip Technology |
| Категория | Microcontrollers | Microcontrollers |
| Статус жизненного цикла | Активен | Obsolete |
| Наличие | In Stock | In Stock |
| Цена за единицу (USD) | $3,95 | $4,12 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-Bit | — |
| Максимальная тактовая частота | 20 MHz | 16 MHz (at 5V) |
| Program Memory Size | 64 KB (32K x 16) FLASH | — |
| Data RAM Size | 4 KB SRAM | — |
| EEPROM Size | 2 KB | — |
| Supply Voltage Range | 4.5 V to 5.5 V (20 MHz grade) | — |
| Number of USARTs | 2 | — |
| ADC Resolution | 10-bit | — |
| Peripherals | SPI, TWI (I2C), PWM timers, WDT, BOD | — |
| I/O Count | 32 | — |
| Корпус | 44-TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) |
| Тип монтажа | Surface Mount | Surface Mount |
| Рабочая температура | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Throughput | Up to 20 MIPS at 20 MHz (approx. 1 MIPS/MHz) | Up to 1 MIPS per MHz (16 MIPS peak) |
| Programming | In-System Programmable (ISP) via SPI | — |
| Статус RoHS | Compliant (green package) | Compliant |
| Core Architecture | — | AVR 8-bit enhanced RISC |
| Program Memory (Flash) | — | 64 KB (32K x 16) |
| SRAM | — | 4 KB |
| EEPROM | — | 2 KB |
| Operating Voltage (VCC) | — | 2.7 V to 5.5 V |
| General-Purpose I/O Lines | — | 32 |
| ADC | — | 8-channel, 10-bit, with differential mode |
| USART | — | 2 (dual USART, 'P' variant) |
| SPI | — | 1 master/slave |
| TWI (I2C) | — | 1 byte-oriented |
| Timer/Counters | — | 3 with PWM and compare modes |
| Watchdog Timer | — | Yes, programmable |
| AEC-Q100 Qualification | — | Grade 1 |
| In-System Programmable | — | Yes (Flash, Read-While-Write) |
| picoPower Technology | — | Yes |