ATMEGA88-20AU vs ATMEGA88A-AU 对比
详细并排对比 ATMEGA88-20AU 出自 Microchip Technology 和 ATMEGA88A-AU 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 | ATMEGA88-20AU | ATMEGA88A-AU |
|---|---|---|
| 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） | $2.33 | $1.52 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory Size | 8 KB (4K x 16) Flash | 8 KB (4K x 16) Flash |
| SRAM | 1 KB | 1 KB |
| EEPROM | 512 B | 512 B |
| 最大时钟频率 | 20 MHz | 20 MHz |
| Throughput | 20 MIPS at 20 MHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O Lines | 23 | 23 |
| General Purpose Working Registers | 32 | 32 |
| ADC Channels | 8-channel, 10-bit | — |
| Timer/Counters | Three flexible timer/counters with compare modes | — |
| 封装 | 32-TQFP (7x7 mm, 0.8 mm pitch) | 32-pin TQFP (7x7 mm, 0.80 mm pitch) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C | -40 C to +85 C |
| Instruction Set | 130 powerful instructions, most single-clock cycle | 130 powerful instructions, most single-clock cycle |
| Debug Interface | debugWIRE on-chip debugging | — |
| RoHS 状态 | Compliant | Compliant |
| Life Cycle Stage | ACTIVE | — |
| Program Memory Type | — | Flash (ISP, read-while-write) |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| Supply Voltage (20 MHz operation) | — | 4.5 V to 5.5 V |
| ADC | — | 8-channel, 10-bit successive approximation |
| Timers/Counters | — | 3 (two 8-bit, one 16-bit) with compare modes |
| Serial Interfaces | — | USART, SPI, TWI (I2C) |
| Power-Down Current | — | Sub-1 uA (picoPower technology) |
| Packaging | — | Tray |