ATMEGA644-20MUR vs ATMEGA644PA-MU Comparaison
Comparaison détaillée côte à côte de ATMEGA644-20MUR par Microchip Technology et ATMEGA644PA-MU 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
ATMEGA644-20MUR - 8-bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644-20MUR ✓ ActifMicrochip Technology
ATMEGA644PA-MU - 8-bit AVR MCU 64KB 20MHz VQFN-44 | Microchip
ATMEGA644PA-MU ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA644-20MUR | ATMEGA644PA-MU |
|---|---|---|
| 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) | $5,05 | $3,78 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max Clock Frequency | 20 MHz | — |
| Program Memory (Flash) | 64KB (32K x 16) | — |
| SRAM | 4KB | 4 KB |
| EEPROM | 2KB | 2 KB |
| Supply Voltage Range | 4.5 V to 5.5 V | 2.5 V / 3.3 V / 5 V class (per distributor listing: 2.5V/3.3V/5V) |
| Largeur du bus de données | 8 Bit | — |
| General Purpose I/O | 32 I/O lines | — |
| Timers/Counters | 3 (with compare modes and PWM) | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| ADC | 10-bit | 8-channel 10-bit ADC |
| Programming Interface | ICSP (In-Circuit Serial Programming), debugWIRE | — |
| Température de fonctionnement | Industrial (-40C to +85C) | — |
| Boîtier | 44-VQFN (7x7 mm) Exposed Pad | 44-VQFN (7x7 mm), exposed pad |
| Type de montage | Surface Mount | Surface Mount |
| Statut RoHS | [DATA_NEEDED: RoHS status] | RoHS compliant (per Microchip product listing) |
| Lifecycle Stage | ACTIVE | — |
| Core Frequency | — | 20 MHz |
| Flash Memory | — | 64 KB (32K x 16) ISP Flash, read-while-write |
| GPIO Count | — | 32 |
| MIPS Throughput | — | Up to 20 MIPS at 20 MHz |
| Instructions | — | 131 instructions, most single-cycle |
| Timer/Counters | — | Three flexible timer/counters with compare modes and PWM |
| USART | — | Two programmable serial USARTs |
| Serial Interfaces | — | Two-Wire Interface (I2C-compatible), SPI |
| RTC | — | Real Time Counter with separate oscillator |
| Low Power Technology | — | picoPower |
| Data Sheet Document Number | — | DS40002070A (per Microchip ATMEGA644PA-MU data sheet) |