ATMEGA168-20MQR vs ATMEGA168P-20MQR 对比
详细并排对比 ATMEGA168-20MQR 出自 Microchip Technology 和 ATMEGA168P-20MQR 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
ATMEGA168-20MQR - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20MQR ✓ 量产中Microchip Technology
ATMEGA168P-20MQR - 16KB AVR MCU, 20MHz, VQFN-32 | Microchip
ATMEGA168P-20MQR ✓ 量产中规格对比
| 参数 | ATMEGA168-20MQR | ATMEGA168P-20MQR |
|---|---|---|
| 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） | $2.38 | $1.31 |
| Core Processor | AVR | — |
| Core Size | 8-bit | 8-bit |
| Speed | 20 MHz | 20 MHz |
| Program Memory Size | 16 KB (8K x 16) FLASH | — |
| EEPROM Size | 512 B | — |
| RAM Size | 1 KB SRAM | — |
| Number of I/O | 23 | — |
| General Purpose Working Registers | 32 x 8-bit | — |
| Supply Voltage Range | 4.5 V to 5.5 V (at 20 MHz); 2.0 V min per device family | — |
| 工作温度 | -40C to +85C | -40C to +85C |
| ADC Resolution | 10-bit | — |
| Number of ADC Channels | 8 (6 external + ADC6/ADC7 on QFN) | — |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | — |
| Connectivity | SPI, UART/USART, TWI (I2C-compatible) | — |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| Oscillator Type | Internal (calibrated RC) plus external crystal | — |
| 封装 | 32-VQFN (5x5 mm) Exposed Pad | 32-VQFN (5x5 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| Programming | ISP, ICD, ICSP (2 I/O pins + reset) | — |
| Core | — | AVR 8-bit RISC |
| Flash Memory | — | 16 KB (8K x 16) |
| EEPROM | — | 512 B |
| SRAM | — | 1 KB |
| Instructions | — | 131 powerful instructions, most single-cycle |
| General Purpose I/O | — | 23 |
| Working Registers | — | 32 |
| Timers/Counters | — | 3 flexible timer/counters |
| ADC | — | 8-channel 10-bit |
| Operating Voltage | — | 1.8 V to 5.5 V |
| Voltage - Supply (Vcc/Vdd) | — | 1.8 V to 5.5 V (20 MHz at 4.5 V to 5.5 V) |
| Programming Interface | — | ICSP (In-Circuit Serial Programming) |
| Technology | — | picoPower low-power |
| RoHS 状态 | — | RoHS3 compliant (per distributor data) |
| Newer Device Available | — | Yes - ATMEGA168PA |