ATMEGA8A-PU vs ATMEGA168P-20PU 对比
详细并排对比 ATMEGA8A-PU 出自 Microchip Technology 和 ATMEGA168P-20PU 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
ATMEGA8A-PU - 8-bit AVR MCU 16MHz 8KB Flash DIP-28 | Microchip
ATMEGA8A-PU ✓ 量产中Microchip Technology
ATMEGA168P-20PU - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168P-20PU ✓ 量产中规格对比
| 参数 | ATMEGA8A-PU | ATMEGA168P-20PU |
|---|---|---|
| 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） | $1.86 | $2.05 |
| Core Architecture | 8-bit AVR RISC | — |
| 最大时钟频率 | 16 MHz | 20 MHz |
| Flash Memory | 8 KB (4K x 16) ISP | 16 KB (8K x 16) |
| SRAM | 1 KB | 1 KB |
| EEPROM | 512 B | 512 B |
| Operating Voltage Range | 4.5 V to 5.5 V | — |
| General Purpose I/O Lines | 23 | — |
| Throughput | 16 MIPS at 16 MHz | — |
| Instructions | 130 instructions, most single-cycle | 133, most single-cycle |
| Working Registers | 32 x 8 general purpose | — |
| Timers/Counters | Three flexible timer/counters with compare | 3 (two 8-bit, one 16-bit) |
| 封装 | 28-PDIP | 28-PDIP (0.300 inch, 7.62 mm) |
| 安装类型 | Through Hole | Through Hole |
| Life Cycle Stage | Active | — |
| Series | AVR ATmega | — |
| Hardware Multiplier | On-chip 2-cycle multiplier | — |
| Programming Interface | In-System Programming (ISP) via SPI | — |
| Core Processor | — | AVR 8-bit RISC |
| Core Size | — | 8-Bit |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| Number of I/O | — | 23 |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8 (6 on PDIP package) |
| Communication Interfaces | — | USART, SPI, I2C (TWI) |
| 工作温度 | — | -40C to +85C (industrial) |
| Programmability | — | ISP (In-System Programmable), debugWIRE |
| RoHS 状态 | — | Compliant (GREEN) |
| 生命周期状态 | — | Active (newer device ATMEGA168PA available) |
| MSL Rating | — | [DATA_NEEDED: MSL level] |