ATMEGA64A-MU vs ATMEGA645-16MU 对比
详细并排对比 ATMEGA64A-MU 出自 Microchip Technology 和 ATMEGA645-16MU 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
ATMEGA645-16MU - 8-bit AVR MCU, 64KB Flash, 16MHz | Microchip
ATMEGA645-16MU ✓ 量产中规格对比
| 参数 | ATMEGA64A-MU | ATMEGA645-16MU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $4.24 | $4.65 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max Clock Frequency | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) ISP, read-while-write | — |
| EEPROM | 2 KB | — |
| SRAM | 4 KB | — |
| General Purpose I/O | 53 lines | — |
| Working Registers | 32 | — |
| Timer/Counters | 4 (two 8-bit, two 16-bit) plus RTC | — |
| USART Interfaces | 2 | — |
| ADC | 8-channel 10-bit | — |
| TWI (I2C) | Yes, byte-oriented | — |
| SPI | Yes | — |
| JTAG Interface | Yes (on-chip debug and boundary scan) | — |
| Supply Voltage Range | [DATA_NEEDED: Supply Voltage Range] | 2.7 V to 5.5 V |
| 工作温度范围 | [DATA_NEEDED: Operating Temperature Range] | — |
| 封装 | 64-QFN (9x9 mm), exposed pad, surface mount | 64-QFN (9x9 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Pin Compatibility | 100% pin compatible with ATmega103 | — |
| Program Memory Size | — | 64 KB (32K x 16) Flash, ISP |
| SRAM Size | — | 4 KB |
| EEPROM Size | — | 2 KB |
| 最大时钟频率 | — | 16 MHz |
| Throughput | — | 16 MIPS at 16 MHz |
| Number of I/O Lines | — | 68 |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8 channels |
| Debug Interface | — | JTAG (on-chip debugging and boundary scan) |
| 工作温度 | — | [DATA_NEEDED: operating temperature range] |
| Speed Grade Class | — | 16 (industrial, GREEN) |
| RoHS 状态 | — | GREEN package (per FindIC listing) |
| Core Supply | — | Single supply |