ATMEGA168P-20AN vs ATMEGA168PA-ANR 对比
详细并排对比 ATMEGA168P-20AN 出自 Microchip Technology 和 ATMEGA168PA-ANR 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。
规格对比
| 参数 | ATMEGA168P-20AN | ATMEGA168PA-ANR |
|---|---|---|
| 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） | $1.72 | $1.44 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Program Memory | 16 KB (8K x 16) ISP Flash | — |
| EEPROM | 512 B | 512 bytes |
| SRAM | 1 KB | 1 KB |
| 最大时钟频率 | 20 MHz | — |
| Throughput | Up to 20 MIPS (1 MIPS/MHz) | Up to 20 MIPS at 20 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O | 23 lines | — |
| Working Registers | 32 x 8-bit | — |
| Instructions | 131 instructions, most single-cycle | — |
| 封装 | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Temperature Grade | Industrial | — |
| Terminal Form | Gull Wing | — |
| Series | AVR ATmega, picoPower | — |
| Programming | In-System Programmable (ICSP), read-while-write | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | Compliant |
| Program Memory Size | — | 16 KB (8K x 16) Flash |
| Flash Endurance | — | 10,000 write/erase cycles (typical) |
| Maximum CPU Speed | — | 20 MHz |
| 工作温度范围 | — | -40 C to +105 C |
| General Purpose I/O Lines | — | 23 |
| General Purpose Working Registers | — | 32 |
| ADC | — | 8-channel 10-bit successive approximation |
| Timer/Counters | — | 3 flexible timer/counters with compare modes |
| Serial Interfaces | — | USART, SPI, Two-Wire (I2C) |
| PWM Channels | — | 6 |
| On-Chip Debug | — | debugWIRE |
| Brown-Out Detection | — | Yes, programmable |
| Watchdog Timer | — | Yes, with separate on-chip oscillator |