ATMEGA644P-20MQ vs ATMEGA644PA-MU Comparaison
Comparaison détaillée côte à côte de ATMEGA644P-20MQ 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
ATMEGA644P-20MQ - 8-bit AVR MCU 64KB 20MHz VQFN-44 | Microchip
ATMEGA644P-20MQ NrndMicrochip Technology
ATMEGA644PA-MU - 8-bit AVR MCU 64KB 20MHz VQFN-44 | Microchip
ATMEGA644PA-MU ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA644P-20MQ | ATMEGA644PA-MU |
|---|---|---|
| Marque | Microchip Technology | Microchip Technology |
| Catégorie | Microcontrollers | Microcontrollers |
| Statut du cycle de vie | NRND | Actif |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $2,48 | $3,78 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| CPU Speed | 20 MHz | — |
| Throughput | Up to 20 MIPS (1 MIPS per MHz) | — |
| Flash Program Memory | 64 KB (32K x 16) | — |
| SRAM | 4 KB (4,096 bytes) | 4 KB |
| EEPROM | 2 KB (2,048 bytes) | 2 KB |
| Operating Voltage | 5 V | — |
| Number of I/O | 32 | — |
| Digital Communication Peripherals | 2 UART | — |
| Oscillator Type | Internal | — |
| Instructions | 131 powerful instructions, most single-cycle | 131 instructions, most single-cycle |
| Boîtier | 44-VQFN (7x7 mm) with exposed pad | 44-VQFN (7x7 mm), exposed pad |
| Type de montage | Surface Mount | Surface Mount |
| Temperature Grade | Industrial, extended temperature | — |
| Packaging | Tape & Reel (TR) | — |
| Technology Feature | picoPower low-power, green/RoHS | — |
| Programming | ICSP via 2 I/O pins + reset, MPLAB SNAP compatible | — |
| Lifecycle | Mature; NRND - replaced by ATmega644PA | — |
| 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 |
| Timer/Counters | — | Three flexible timer/counters with compare modes and PWM |
| USART | — | Two programmable serial USARTs |
| Serial Interfaces | — | Two-Wire Interface (I2C-compatible), SPI |
| ADC | — | 8-channel 10-bit ADC |
| RTC | — | Real Time Counter with separate oscillator |
| Low Power Technology | — | picoPower |
| Supply Voltage Range | — | 2.5 V / 3.3 V / 5 V class (per distributor listing: 2.5V/3.3V/5V) |
| Statut RoHS | — | RoHS compliant (per Microchip product listing) |
| Data Sheet Document Number | — | DS40002070A (per Microchip ATMEGA644PA-MU data sheet) |