ATMEGA644A-AUR vs ATMEGA1284-AUR Comparaison
Comparaison détaillée côte à côte de ATMEGA644A-AUR par Microchip Technology et ATMEGA1284-AUR 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
ATMEGA644A-AUR - 8-bit AVR MCU 64KB Flash 20MHz TQFP-44 | Microchip
ATMEGA644A-AUR ✓ ActifMicrochip Technology
ATMEGA1284-AUR - 8-Bit AVR MCU 128KB Flash 20MHz | Microchip
ATMEGA1284-AUR ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA644A-AUR | ATMEGA1284-AUR |
|---|---|---|
| Marque | Microchip Technology | Microchip Technology |
| Catégorie | Microcontrollers | Microcontrollers |
| Statut du cycle de vie | Actif | Actif |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $2,75 | $4,61 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max Clock Frequency | 20 MHz | — |
| Flash Memory | 64 KB (32K x 16), In-System Programmable, Read-While-Write | — |
| SRAM | 4 KB | 16 KB |
| EEPROM | 2 KB | 4 KB |
| I/O Lines | 32 general purpose | — |
| USART | 2 programmable serial USARTs | — |
| Timer/Counters | 3 with compare modes and PWM | 3 flexible timer/counters with compare modes and PWM |
| ADC | 8-channel, 10-bit, optional differential input | 8-channel, 10-bit successive approximation |
| Serial Interfaces | 2-wire (TWI/I2C), SPI, 2x USART | — |
| Real Time Counter | Yes (RTC) | — |
| Boîtier | 44-TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) |
| Type de montage | Surface Mount | Surface Mount |
| Température de fonctionnement | Industrial temperature range | -40C to +85C |
| Tension d'alimentation | [DATA_NEEDED: supply voltage range] | — |
| Statut RoHS | Compliant | Compliant |
| Life Cycle Stage | ACTIVE | — |
| Program Memory Size | — | 128 KB ISP Flash (64K x 16) |
| Fréquence d'horloge maximale | — | 20 MHz |
| Throughput | — | Up to 20 MIPS at 20 MHz |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| Operating Voltage (Full 20 MHz) | — | 2.7 V to 5.5 V |
| General Purpose I/O Lines | — | 32 |
| General Purpose Working Registers | — | 32 |
| Instruction Set | — | 131 powerful instructions, most single-clock cycle |
| USART Interfaces | — | 2 |
| Packaging | — | Tape & Reel |
| Lifecycle Stage | — | Active |