ATMEGA168-20MI vs ATMEGA168A-MU 对比
详细并排对比 ATMEGA168-20MI 出自 Microchip Technology 和 ATMEGA168A-MU 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
ATMEGA168-20MI - 8-bit AVR MCU 20MHz 16KB Flash QFN-32 | Microchip
ATMEGA168-20MI ✓ 量产中Microchip Technology
ATMEGA168A-MU - 8-bit AVR MCU 16KB Flash 20MHz VQFN-32 | Microchip
ATMEGA168A-MU ✓ 量产中规格对比
| 参数 | ATMEGA168-20MI | ATMEGA168A-MU |
|---|---|---|
| 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） | $2.92 | $1.38 |
| Core | AVR 8-bit RISC | — |
| 最大时钟频率 | 20 MHz | 20 MHz |
| Program Memory Size | 16 KB Flash | — |
| SRAM Size | 1 KB | — |
| EEPROM Size | 512 B | — |
| Supply Voltage Range | 1.8 V to 5.5 V | 2.7 V to 5.5 V |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8 | — |
| Communication Interfaces | I2C, SPI, UART/USART | — |
| Timers | Three timer/counters with compare modes and PWM | — |
| I/O Pins | 23 general purpose I/O lines | — |
| 工作温度 | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| 封装 | 32-pad VQFN / MLF (HVQCCN), square, no-lead | 32-VQFN (5x5 mm) exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| On-Chip Debug | DebugWIRE | — |
| Programming | ISP (SPI), self-programming Flash with boot loader support | — |
| RoHS 状态 | Compliant (GREEN) | — |
| Core Architecture | — | 8-bit AVR RISC |
| Flash Memory | — | 16 KB (8K x 16) ISP |
| EEPROM | — | 512 B |
| SRAM | — | 1 KB |
| Maximum Throughput | — | 20 MIPS at 20 MHz |
| General Purpose I/O Lines | — | 23 |
| Working Registers | — | 32 x 8-bit general purpose |
| Timer/Counters | — | 3 flexible with compare modes |
| ADC | — | 10-bit, 6-channel (QFN package) |
| Serial Interfaces | — | USART, SPI, 2-wire (I2C/TWI) |
| 生命周期状态 | — | Active |
| 数据总线宽度 | — | 8 bit |
| Instruction Set | — | 133 instructions, mostly single-cycle |