ATMEGA644A-AUR vs ATMEGA644-20AU Comparação
Comparação detalhada lado a lado de ATMEGA644A-AUR por Microchip Technology e ATMEGA644-20AU 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-AUR - 8-bit AVR MCU 64KB Flash 20MHz TQFP-44 | Microchip
ATMEGA644A-AUR ✓ AtivoMicrochip Technology
ATMEGA644-20AU - 8-Bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644-20AU NrndComparação de especificações
| Parâmetro | ATMEGA644A-AUR | ATMEGA644-20AU |
|---|---|---|
| Marca | Microchip Technology | Microchip Technology |
| Categoria | Microcontrollers | Microcontrollers |
| Status do ciclo de vida | Ativo | NRND |
| Status do estoque | In Stock | In Stock |
| Preço unitário (USD) | $2,75 | $4,96 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max Clock Frequency | 20 MHz | — |
| Flash Memory | 64 KB (32K x 16), In-System Programmable, Read-While-Write | — |
| SRAM | 4 KB | 4 KB |
| EEPROM | 2 KB | 2 KB |
| I/O Lines | 32 general purpose | — |
| USART | 2 programmable serial USARTs | — |
| Timer/Counters | 3 with compare modes and PWM | 2 x 8-bit, 1 x 16-bit with compare and PWM modes |
| ADC | 8-channel, 10-bit, optional differential input | 8-channel, 10-bit successive approximation |
| Serial Interfaces | 2-wire (TWI/I2C), SPI, 2x USART | — |
| Real Time Counter | Yes (RTC) | — |
| Encapsulamento | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) |
| Tipo de montagem | Surface Mount | Surface Mount |
| Temperatura de operação | Industrial temperature range | — |
| Tensão de alimentação | [DATA_NEEDED: supply voltage range] | — |
| Status RoHS | Compliant | Compliant |
| Life Cycle Stage | ACTIVE | — |
| Program Memory | — | 64 KB In-System Programmable Flash (32K x 16) |
| Frequência máxima de clock | — | 20 MHz |
| Throughput | — | Up to 20 MIPS at 20 MHz |
| Operating Voltage Range | — | 2.7 V to 5.5 V |
| General Purpose I/O Pins | — | 32 |
| General Purpose Working Registers | — | 32 |
| USART Interfaces | — | 2 |
| Two-Wire Serial Interface | — | 1 (byte-oriented, I2C compatible) |
| SPI Interface | — | 1 (master/slave) |
| Faixa de temperatura de operação | — | -40C to +85C |
| Debug Interface | — | JTAG (IEEE 1149.1) with on-chip debug |
| Sleep Modes | — | 6 (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby) |