ATMEGA88-15AT vs ATMEGA88-20AI 对比
详细并排对比 ATMEGA88-15AT 出自 Microchip Technology 和 ATMEGA88-20AI 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
ATMEGA88-15AT - 8-bit AVR MCU 8KB Flash 16MHz TQFP-32 | Microchip
ATMEGA88-15AT ✓ 量产中Microchip Technology
ATMEGA88-20AI - 8-bit AVR MCU 20MHz 8KB Flash TQFP-32 | Microchip
ATMEGA88-20AI ✓ 量产中规格对比
| 参数 | ATMEGA88-15AT | ATMEGA88-20AI |
|---|---|---|
| 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） | $1.15 | $1.38 |
| Core | AVR 8-bit RISC | — |
| Flash Program Memory | 8 KB (4K x 16) | 8 KB (4K x 16) |
| SRAM | 1 KB | 1 KB |
| EEPROM | 512 B | 512 B |
| 最大时钟频率 | 16 MHz | — |
| Supply Voltage Range | 4.5 V to 5.5 V | 1.8 V to 5.5 V |
| I/O Pins | 23 | — |
| Timers/Counters | 2 x 8-bit, 1 x 16-bit | — |
| ADC | 6-channel 10-bit | — |
| Communication Interfaces | SPI, TWI (I2C), USART | USART, SPI, TWI (I2C) |
| PWM Channels | 3 (hardware PWM via timers) | — |
| In-System Programming | Yes (ISP via SPI) | — |
| 工作温度 | -40C to +85C | -40C to +85C |
| 封装 | 32-TQFP (7 x 7 mm, 0.8 mm pitch, 1.0 mm height) | 32-TQFP (7x7 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Life Cycle Stage | Active | — |
| Instruction Set | 130 instructions, mostly single-cycle | — |
| Core Processor | — | AVR 8-bit RISC |
| Core Size | — | 8-bit |
| Speed | — | 20 MHz |
| Max Clock at Full Voltage | — | 20 MHz at 4.5 V to 5.5 V |
| GPIO Count | — | 23 |
| ADC Resolution | — | 10-bit, 8 channels |
| Timers | — | Two 8-bit, one 16-bit |
| MIPS Throughput | — | Up to 20 MIPS at 20 MHz |
| On-Chip Debug | — | DebugWIRE |
| Programming | — | ISP, read-while-write Flash |
| Reset/Brown-out | — | Power-on Reset, Brown-out Detect/Reset |