ATMEGA640-16AUR vs ATMEGA645A-AUR Comparaison
Comparaison détaillée côte à côte de ATMEGA640-16AUR par Microchip Technology et ATMEGA645A-AUR 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
ATMEGA640-16AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-100 | Microchip
ATMEGA640-16AUR ✓ ActifMicrochip Technology
ATMEGA645A-AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA645A-AUR ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA640-16AUR | ATMEGA645A-AUR |
|---|---|---|
| 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) | $6,20 | $4,68 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory (Flash) | 64 KB (32K x 16) | — |
| SRAM | 8 KB | 4 KB |
| EEPROM | 4 KB | 2 KB |
| Maximum CPU Clock | 16 MHz | — |
| Operating Voltage (Vcc) | 4.5 V to 5.5 V | — |
| General-Purpose I/O Lines | 86 | — |
| General-Purpose Working Registers | 32 | — |
| Timer/Counters | 6 flexible timer/counters with compare/PWM | — |
| ADC | 10-bit, 8/16-channel | 10-bit, 8 channels |
| USART | 2 programmable serial USARTs | — |
| SPI | 1 master/slave SPI | — |
| TWI (I2C-compatible) | 1 byte-oriented 2-wire interface | — |
| Analog Comparator | On-chip | — |
| Watchdog Timer | Programmable, with separate on-chip oscillator | — |
| Boîtier | 100-pin TQFP (14x14 mm) | 64-TQFP (14 x 14 mm) |
| Type de montage | Surface Mount | Surface Mount |
| Température de fonctionnement | -40C to +85C (industrial) | — |
| In-System Programmable (ISP) | Yes | — |
| Statut RoHS | Compliant | Compliant |
| Max Operating Frequency | — | 16 MHz |
| Flash Memory | — | 64 KB (32K x 16) ISP FLASH |
| Operating Voltage Range | — | 2.5 V / 3.3 V / 5 V (per datasheet family listing) |
| General Purpose I/O | — | 54 I/O lines |
| Working Registers | — | 32 x 8-bit |
| LCD Controller | — | Yes, segment driver (megaAVR LCD family) |
| Timers | — | Two 8-bit, one 16-bit |
| Serial Interfaces | — | 2 x USART, SPI, TWI (I2C compatible) |
| Debug / Programming | — | JTAG, ICSP (In-Circuit Serial Programming) |
| Operating Temperature (Max) | — | 85 C |
| Packaging | — | Tape & Reel (R suffix) |