ATMEGA8A-MNR vs ATMEGA88-20MU 对比
详细并排对比 ATMEGA8A-MNR 出自 Microchip Technology 和 ATMEGA88-20MU 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 | ATMEGA8A-MNR | ATMEGA88-20MU |
|---|---|---|
| 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） | $1.78 | $0.00 |
| Core Processor | AVR | — |
| Core Size | 8-bit | — |
| Max Clock Frequency | 16 MHz | — |
| Flash Memory Size | 8 KB (4K x 16) | — |
| EEPROM Size | 512 B | — |
| SRAM Size | 1 KB (1K x 8) | — |
| Number of I/O | 23 | — |
| General Purpose Working Registers | 32 x 8-bit | — |
| Timers/Counters | Two 8-bit, one 16-bit with compare modes | — |
| Connectivity | USART, SPI, I2C (TWI) | — |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8 (TQFP/QFN packages) | — |
| Supply Voltage Range | [DATA_NEEDED: Supply Voltage Range (ATmega8A: 2.7V to 5.5V per family datasheet)] | 2.7 V to 5.5 V |
| 工作温度 | -40C to +105C | — |
| 封装 / 外壳 | 32-VFQFN Exposed Pad (MLF), 5x5 mm | — |
| 安装类型 | Surface Mount | — |
| Packaging | Tape & Reel | — |
| RoHS 状态 | Compliant (Green MLF) | — |
| Core Architecture | — | 8-bit AVR RISC |
| Max CPU Frequency | — | 20 MHz |
| Performance | — | 20 MIPS at 20 MHz |
| Flash Memory | — | 8 KB (4K x 16) ISP Flash |
| EEPROM | — | 512 B |
| SRAM | — | 1 KB |
| General Purpose I/O | — | 23 lines |
| Working Registers | — | 32 x 8-bit |
| Timer/Counters | — | 3 flexible timer/counters |
| ADC | — | 8-channel, 10-bit |
| On-Chip Debug | — | debugWIRE |
| Instructions | — | 130 powerful instructions, most single-cycle |
| Serial Interfaces | — | USART, SPI, 2-wire (I2C-compatible) |
| Power Technology | — | picoPower low-power with multiple sleep modes |
| 封装 | — | 32-VQFN (5x5 mm) MLF, surface mount |
| Programming | — | In-System Programmable (ISP), read-while-write |
| Watchdog | — | Programmable watchdog timer with internal oscillator |