ATMEGA640-16AUR vs ATMEGA64L-8AQ 对比
详细并排对比 ATMEGA640-16AUR 出自 Microchip Technology 和 ATMEGA64L-8AQ 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
ATMEGA640-16AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-100 | Microchip
ATMEGA640-16AUR ✓ 量产中Microchip Technology
ATMEGA64L-8AQ - 8-Bit AVR MCU, 64KB Flash, 8MHz TQFP-64 | Microchip
ATMEGA64L-8AQ ✗ 停产规格对比
| 参数 | ATMEGA640-16AUR | ATMEGA64L-8AQ |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 停产 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $6.20 | $7.50 |
| Core Architecture | 8-bit AVR RISC | AVR RISC, 130 instructions |
| 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 | — |
| 封装 | 100-pin TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (industrial) | -40C to +85C |
| In-System Programmable (ISP) | Yes | — |
| RoHS 状态 | Compliant | — |
| 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 |
| 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) |
| Life Cycle | — | Mature; not recommended for new designs (replaced by ATmega64A) |