ATMEGA640-16AUR vs ATMEGA645A-AUR Comparación
Comparación detallada lado a lado de ATMEGA640-16AUR por Microchip Technology y ATMEGA645A-AUR por Microchip Technology. Compare las especificaciones clave, los parámetros eléctricos, el encapsulado, el estado del ciclo de vida, los precios y la disponibilidad para determinar el mejor componente para los requisitos de su diseño.
Microchip Technology
ATMEGA640-16AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-100 | Microchip
ATMEGA640-16AUR ✓ ActivoMicrochip Technology
ATMEGA645A-AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA645A-AUR ✓ ActivoComparación de especificaciones
| Parámetro | ATMEGA640-16AUR | ATMEGA645A-AUR |
|---|---|---|
| Marca | Microchip Technology | Microchip Technology |
| Categoría | Microcontrollers | Microcontrollers |
| Estado del ciclo de vida | Activo | Activo |
| Estado del stock | In Stock | In Stock |
| Precio unitario (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 | — |
| Encapsulado | 100-pin TQFP (14x14 mm) | 64-TQFP (14 x 14 mm) |
| Tipo de montaje | Surface Mount | Surface Mount |
| Temperatura de funcionamiento | -40C to +85C (industrial) | — |
| In-System Programmable (ISP) | Yes | — |
| Estado 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) |