ATMEGA644P-15AT vs ATMEGA644P-20AU Comparaison
Comparaison détaillée côte à côte de ATMEGA644P-15AT par Microchip Technology et ATMEGA644P-20AU 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-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 ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA644P-15AT | ATMEGA644P-20AU |
|---|---|---|
| Marque | Microchip Technology | Microchip Technology |
| Catégorie | Microcontrollers | Microcontrollers |
| Statut du cycle de vie | Obsolete | Actif |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (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 | — |
| Fréquence d'horloge maximale | 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 | — |
| Boîtier | 44-pin TQFP (10x10 mm) | 44-TQFP (10x10 mm) |
| Type de montage | Surface Mount | Surface Mount |
| Température de fonctionnement | -40C to +85C (industrial) | -40C to +85C (industrial) |
| AEC-Q100 Qualification | Grade 1 | — |
| Statut 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 |