ATMEGA644P-15AT vs ATMEGA644P-20AU Comparación
Comparación detallada lado a lado de ATMEGA644P-15AT por Microchip Technology y ATMEGA644P-20AU 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
ATMEGA644P-15AT - 8-bit AVR MCU 64KB Flash 16MHz TQFP-44 | Microchip
ATMEGA644P-15AT ObsoleteMicrochip Technology
ATMEGA644P-20AU - 8-Bit AVR MCU 20MHz 64KB Flash TQFP-44 | Microchip
ATMEGA644P-20AU ✓ ActivoComparación de especificaciones
| Parámetro | ATMEGA644P-15AT | ATMEGA644P-20AU |
|---|---|---|
| Marca | Microchip Technology | Microchip Technology |
| Categoría | Microcontrollers | Microcontrollers |
| Estado del ciclo de vida | Obsolete | Activo |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $4,12 | $3,95 |
| Core Architecture | AVR 8-bit enhanced RISC | — |
| Program Memory (Flash) | 64 KB (32K x 16) | — |
| SRAM | 4 KB | — |
| EEPROM | 2 KB | — |
| Frecuencia de reloj máxima | 16 MHz (at 5V) | 20 MHz |
| Throughput | Up to 1 MIPS per MHz (16 MIPS peak) | Up to 20 MIPS at 20 MHz (approx. 1 MIPS/MHz) |
| 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 | — |
| Encapsulado | 44-pin TQFP (10x10 mm) | 44-TQFP (10x10 mm) |
| Tipo de montaje | Surface Mount | Surface Mount |
| Temperatura de funcionamiento | -40C to +85C (industrial) | -40C to +85C (industrial) |
| AEC-Q100 Qualification | Grade 1 | — |
| Estado RoHS | Compliant | Compliant (green package) |
| In-System Programmable | Yes (Flash, Read-While-Write) | — |
| picoPower Technology | Yes | — |
| Core | — | AVR 8-bit RISC |
| Core Size | — | 8-Bit |
| 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 |
| Programming | — | In-System Programmable (ISP) via SPI |