ATMEGA645A-AU vs ATMEGA649V-8AUR Comparaison
Comparaison détaillée côte à côte de ATMEGA645A-AU par Microchip Technology et ATMEGA649V-8AUR 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
ATMEGA645A-AU - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA645A-AU ✓ ActifMicrochip Technology
ATMEGA649V-8AUR - 8MHz AVR MCU 64KB Flash LCD | Microchip
ATMEGA649V-8AUR ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA645A-AU | ATMEGA649V-8AUR |
|---|---|---|
| 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) | $3,95 | $4,88 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max CPU Frequency | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) In-System Programmable | — |
| EEPROM | 2 KB | — |
| SRAM | 4 KB | — |
| General Purpose I/O | 54 GPIO | 54 I/O lines |
| Boîtier | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| Type de montage | Surface Mount | Surface Mount |
| Tension d'alimentation | 4.5 V to 5.5 V (16 MHz operation) | — |
| Température de fonctionnement | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| ADC | 10-bit, up to 8 channels | — |
| LCD Controller | Yes, up to 4 COM x 25 SEG | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | [DATA_NEEDED: USART/SPI/TWI count] |
| Timers | 2 x 8-bit, 1 x 16-bit (plus watchdog) | [DATA_NEEDED: timer peripheral count and sizes] |
| Nombre de broches | 64 | — |
| Statut RoHS | Compliant | Compliant |
| Niveau MSL | [DATA_NEEDED: moisture sensitivity level] | — |
| Program Memory Size | — | 64KB (32K x 16) Flash |
| EEPROM Size | — | 2KB |
| SRAM Size | — | 4KB |
| Fréquence d'horloge maximale | — | 8 MHz |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| LCD Driver | — | Segment LCD controller (up to 4x40 / 132 segments per datasheet) |
| JTAG Interface | — | Yes (boundary-scan and on-chip debug) |
| Packaging | — | Tape & Reel (R suffix) |
| Statut du cycle de vie | — | Active (newer device available: ATMEGA649A) |
| ADC Resolution | — | [DATA_NEEDED: ADC resolution and channels] |
| MIPS Rating | — | [DATA_NEEDED: MIPS at 8 MHz] |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |