ATMEGA64L-8AQ vs ATMEGA640-16AUR 对比
详细并排对比 ATMEGA64L-8AQ 出自 Microchip Technology 和 ATMEGA640-16AUR 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
ATMEGA64L-8AQ - 8-Bit AVR MCU, 64KB Flash, 8MHz TQFP-64 | Microchip
ATMEGA64L-8AQ ✗ 停产Microchip Technology
ATMEGA640-16AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-100 | Microchip
ATMEGA640-16AUR ✓ 量产中规格对比
| 参数 | ATMEGA64L-8AQ | ATMEGA640-16AUR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 停产 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $7.50 | $6.20 |
| Core Size | 8-Bit | — |
| Series | AVR ATmega64 | — |
| 最大时钟频率 | 8 MHz | — |
| Program Memory Size | 64 KB (32K x 16) Flash | — |
| EEPROM Size | 2 KB | — |
| SRAM Size | 4 KB | — |
| ADC Resolution | 10-bit | — |
| Number of ADC Channels | 8 | — |
| Core Architecture | AVR RISC, 130 instructions | 8-bit AVR RISC |
| General Purpose Registers | 32 x 8 | — |
| Debug Interface | JTAG (on-chip debug, boundary scan) | — |
| Communication Interfaces | 2x USART, SPI, TWI (I2C) | — |
| Operating Voltage | 2.7 V to 5.5 V (L grade) | — |
| 工作温度 | -40C to +85C | -40C to +85C (industrial) |
| 封装 | 64-TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Life Cycle | Mature; not recommended for new designs (replaced by ATmega64A) | — |
| Program Memory (Flash) | — | 64 KB (32K x 16) |
| SRAM | — | 8 KB |
| EEPROM | — | 4 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 |
| 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 |
| In-System Programmable (ISP) | — | Yes |
| RoHS 状态 | — | Compliant |