ATMEGA640V-8AU vs ATMEGA649V-8AU Comparaison
Comparaison détaillée côte à côte de ATMEGA640V-8AU par Microchip Technology et ATMEGA649V-8AU 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
ATMEGA640V-8AU - 8MHz 64KB Flash AVR MCU 100-TQFP | Microchip
ATMEGA640V-8AU ✓ ActifMicrochip Technology
ATMEGA649V-8AU - 64KB Flash 8MHz LCD AVR MCU | Microchip
ATMEGA649V-8AU ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA640V-8AU | ATMEGA649V-8AU |
|---|---|---|
| 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 | $7,28 |
| Core Architecture | 8-bit AVR RISC | — |
| Max Clock Frequency | 8 MHz | — |
| Flash Memory | 64 KB (32K x 16) | 64 KB (32K x 16), ISP, read-while-write |
| SRAM | 8 KB | 4 KB |
| EEPROM | 4 KB | 2 KB |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O | 86 lines | 54 I/O lines (69 available on 100-pin variant) |
| Timers/Counters | 6 | — |
| USART Interfaces | 4 | — |
| Serial Interfaces | SPI, 2-wire (I2C-compatible), 4x USART | — |
| ADC | 10-bit, 16-channel | 10-bit, 8 channels |
| Analog Comparator | Yes, on-chip | — |
| Watchdog Timer | Yes, with separate on-chip oscillator | — |
| External Memory Interface | EBI/EMI | — |
| Boîtier | 100-TQFP (14 x 14 mm) | 64-TQFP, 14 x 14 mm |
| Type de montage | Surface Mount | Surface Mount |
| Program Memory Type | ISP Flash | — |
| Series | AVR ATmega | — |
| Statut RoHS | Compliant | — |
| Core | — | 8-bit AVR RISC |
| Maximum Clock Speed | — | 8 MHz |
| LCD Controller | — | Integrated segment LCD driver (up to 25 segments x 4 commons) |
| Debug / Boundary Scan | — | JTAG interface (IEEE 1149.1 boundary-scan) |
| Working Registers | — | 32 general purpose registers |
| Programming | — | In-System Programmable (ISP), ICSP via MPLAB SNAP |
| Température de fonctionnement | — | -40C to +85C (industrial) |
| Largeur du bus de données | — | 8 Bit |
| RoHS / Green | — | GREEN package per ADatasheet listing |
| Peripherals | — | Timers, USART, SPI, TWI, RTC/TOSC pins |