ATMEGA644A-AU vs ATMEGA164A-AU Comparação
Comparação detalhada lado a lado de ATMEGA644A-AU por Microchip Technology e ATMEGA164A-AU por Microchip Technology. Compare especificações principais, parâmetros elétricos, encapsulamento, status do ciclo de vida, preços e disponibilidade para determinar o melhor componente para os requisitos do seu projeto.
Microchip Technology
ATMEGA644A-AU - 8-bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA644A-AU ✓ AtivoMicrochip Technology
ATMEGA164A-AU - 8-bit AVR MCU, 16KB Flash, 20MHz, 44-TQFP
ATMEGA164A-AU ✓ AtivoComparação de especificações
| Parâmetro | ATMEGA644A-AU | ATMEGA164A-AU |
|---|---|---|
| Marca | Microchip Technology | Microchip Technology |
| Categoria | Microcontrollers | Microcontrollers |
| Status do ciclo de vida | Ativo | Ativo |
| Status do estoque | In Stock | In Stock |
| Preço unitário (USD) | $5,40 | $2,65 |
| Core Architecture | 8-bit AVR enhanced RISC | AVR 8-bit RISC |
| Program Memory Size | 64 KB Flash (32K x 16) | — |
| Program Memory Type | ISP FLASH with Read-While-Write | — |
| EEPROM | 2 KB | 512 B |
| SRAM | 4 KB | 1 KB |
| Maximum CPU Speed | 20 MHz (20 MIPS) | 20 MHz (20 MIPS) |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| General Purpose I/O | 32 lines | 32 |
| Working Registers | 32 general purpose registers | — |
| USART | 2 | — |
| Timer/Counters | 3 (with compare modes and PWM) | — |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit |
| Serial Interfaces | TWI (2-wire, I2C-compatible), SPI | — |
| Real Time Counter | Yes (RTC) | — |
| Encapsulamento | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) |
| Tipo de montagem | Surface Mount | Surface Mount |
| Temperatura de operação | -40C to +85C (Industrial) | -40C to +85C (industrial) |
| Device Series | ATmega644A | — |
| Program Memory (Flash) | — | 16 KB (8K x 16) |
| Tensão de alimentação | — | 2.7 V to 5.5 V (4.5V-5.5V at 20MHz) |
| Timers/Counters | — | Two 8-bit, One 16-bit |
| PWM Channels | — | 6 |
| Communication Interfaces | — | 2x USART, SPI, I2C (TWI) |
| Status RoHS | — | Compliant |