ATMEGA644P-20MQ vs ATMEGA644P-20MU Comparaison
Comparaison détaillée côte à côte de ATMEGA644P-20MQ par Microchip Technology et ATMEGA644P-20MU 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
ATMEGA644P-20MU - 8-bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA644P-20MU NrndComparaison des spécifications
| Paramètre | ATMEGA644P-20MQ | ATMEGA644P-20MU |
|---|---|---|
| Marque | Microchip Technology | Microchip Technology |
| Catégorie | Microcontrollers | Microcontrollers |
| Statut du cycle de vie | NRND | NRND |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $2,48 | $5,02 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit enhanced 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 | — |
| 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 | — |
| Fréquence d'horloge maximale | — | 20 MHz |
| Flash Memory | — | 64 KB (32K x 16) |
| Tension d'alimentation | — | 4.5 V to 5.5 V (at 20 MHz) |
| USART Count | — | 2 |
| ADC | — | 10-bit, up to 8 channels |
| Interfaces | — | SPI, TWI (I2C-compatible), USART, JTAG |
| Température de fonctionnement | — | Industrial range |
| MIPS Rating | — | Up to 20 MIPS (1 MIPS/MHz) |
| Statut RoHS | — | Green / RoHS compliant |
| Product Status | — | Mature product; not recommended for new designs, replaced by ATmega644PA |