ATMEGA644-20PU vs ATMEGA644P-20PU Comparaison
Comparaison détaillée côte à côte de ATMEGA644-20PU par Microchip Technology et ATMEGA644P-20PU 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
ATMEGA644-20PU - 8-bit AVR MCU 64KB 20MHz DIP-40 | Microchip
ATMEGA644-20PU ✓ ActifMicrochip Technology
ATMEGA644P-20PU - 8-bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA644P-20PU ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA644-20PU | ATMEGA644P-20PU |
|---|---|---|
| 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) | $7,40 | $8,55 |
| Core Architecture | 8-bit AVR enhanced RISC | AVR 8-bit RISC |
| Program Memory Size | 64 KB (32K x 16) Flash | — |
| Program Memory Type | ISP FLASH (read-while-write) | ISP FLASH (read-while-write) |
| SRAM | 4 KB | 4KB |
| EEPROM | 2 KB | 2KB |
| Fréquence d'horloge maximale | 20 MHz | — |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O | 32 I/O lines | — |
| USARTs | 2 | — |
| Timer/Counters | 3 (with compare modes and PWM) | — |
| Serial Interfaces | SPI, TWI (I2C compatible) | — |
| ADC Resolution | 10-bit | — |
| JTAG | Yes (IEEE 1149.1 boundary scan, on-chip debug) | — |
| Sleep Modes | 5 (including power-down, power-save) | — |
| Boîtier | 40-PDIP (0.600 in, 15.24 mm) | 40-PDIP (0.600 inch width) |
| Type de montage | Through-Hole | Through Hole |
| Température de fonctionnement | -40 C to +85 C (industrial) | -40C to +85C |
| Statut RoHS | Compliant (Green) | [DATA_NEEDED: RoHS compliance status] |
| Core Size | — | 8-bit |
| Max Clock Frequency | — | 20 MHz |
| Flash Memory | — | 64KB (32K x 16) |
| I/O Count | — | 32 |
| ADC Channels | — | 8 channels, 10-bit |
| PWM Channels | — | 6 |
| Timers/Counters | — | 3 |
| Communication Interfaces | — | I2C, SPI, UART/USART (2 x USART) |
| Supply Voltage (max speed) | — | 5 V (4.5V to 5.5V) |
| Technology | — | picoPower low-power CMOS |
| Niveau MSL | — | N/A (through-hole) |