ATMEGA8-16AI vs ATMEGA88-20AU 对比
详细并排对比 ATMEGA8-16AI 出自 Microchip Technology 和 ATMEGA88-20AU 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 | ATMEGA8-16AI | ATMEGA88-20AU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | Obsolete | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $2.46 | $2.33 |
| Core Processor | AVR 8-bit RISC | — |
| Program Memory Size | 8 KB (4K x 16) Flash | 8 KB (4K x 16) Flash |
| Program Memory Type | In-System Programmable Flash | — |
| Flash Endurance | 10,000 write/erase cycles | — |
| SRAM | 1 KB | 1 KB |
| EEPROM | 512 Bytes | 512 B |
| 最大时钟频率 | 16 MHz | 20 MHz |
| Throughput | Up to 16 MIPS at 16 MHz | 20 MIPS at 20 MHz |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| Speed Grade Voltage | 16 MHz at 4.5 V to 5.5 V | — |
| Instruction Set | 130 powerful instructions, most single-clock cycle | 130 powerful instructions, most single-clock cycle |
| General Purpose Working Registers | 32 x 8-bit | 32 |
| I/O Lines | 32 programmable I/O lines | — |
| ADC | 10-bit, 6 or 8 channels, 15 kSPS | — |
| Timers | Two 8-bit, one 16-bit with separate prescaler | — |
| Serial Interfaces | USART, SPI, Two-wire (I2C-compatible) | — |
| Internal Oscillator | Calibrated RC oscillator | — |
| 封装 | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm, 0.8 mm pitch) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C | -40C to +85C |
| RoHS 状态 | Compliant | Compliant |
| Core Architecture | — | 8-bit AVR RISC |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| General Purpose I/O Lines | — | 23 |
| ADC Channels | — | 8-channel, 10-bit |
| Timer/Counters | — | Three flexible timer/counters with compare modes |
| Debug Interface | — | debugWIRE on-chip debugging |
| Life Cycle Stage | — | ACTIVE |