ATMEGA644P-20AU vs ATMEGA644P-15AT Comparaison
Comparaison détaillée côte à côte de ATMEGA644P-20AU par Microchip Technology et ATMEGA644P-15AT par Microchip Technology. Comparez les spécifications clés, les paramètres électriques, le conditionnement, le statut de cycle de vie, les prix et la disponibilité pour déterminer le meilleur composant pour vos exigences de conception.
Microchip Technology
ATMEGA644P-20AU - 8-Bit AVR MCU 20MHz 64KB Flash TQFP-44 | Microchip
ATMEGA644P-20AU ✓ ActifMicrochip Technology
ATMEGA644P-15AT - 8-bit AVR MCU 64KB Flash 16MHz TQFP-44 | Microchip
ATMEGA644P-15AT ObsoleteComparaison des spécifications
| Paramètre | ATMEGA644P-20AU | ATMEGA644P-15AT |
|---|---|---|
| Marque | Microchip Technology | Microchip Technology |
| Catégorie | Microcontrollers | Microcontrollers |
| Statut du cycle de vie | Actif | Obsolete |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $3,95 | $4,12 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-Bit | — |
| Fréquence d'horloge maximale | 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 | — |
| Boîtier | 44-TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) |
| Type de montage | Surface Mount | Surface Mount |
| Température de fonctionnement | -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 | — |
| Statut 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 |