ATMEGA88-20PI vs ATMEGA8A-PU 对比
详细并排对比 ATMEGA88-20PI 出自 Microchip Technology 和 ATMEGA8A-PU 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
ATMEGA88-20PI - 8KB Flash 20MHz AVR MCU 28-DIP | Microchip
ATMEGA88-20PI ObsoleteMicrochip Technology
ATMEGA8A-PU - 8-bit AVR MCU 16MHz 8KB Flash DIP-28 | Microchip
ATMEGA8A-PU ✓ 量产中规格对比
| 参数 | ATMEGA88-20PI | ATMEGA8A-PU |
|---|---|---|
| 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） | $1.85 | $1.86 |
| Core Processor | AVR | — |
| Core Size | 8-bit | — |
| Max Clock Speed | 20 MHz | — |
| Program Memory Size | 8 KB (4K x 16) FLASH | — |
| Program Memory Type | FLASH (ISP, self-programming, read-while-write) | — |
| SRAM Size | 1 KB | — |
| EEPROM Size | 512 B | — |
| Operating Voltage Range | 1.8 V to 5.5 V | 4.5 V to 5.5 V |
| Connectivity | I2C, SPI, UART/USART | — |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | — |
| Number of I/O | 23 | — |
| ADC | 8-channel, 10-bit | — |
| Timers | 3 timer/counters with compare and PWM modes | — |
| Instructions | 131 instructions, most single-cycle | 130 instructions, most single-cycle |
| Throughput | Up to 20 MIPS at 20 MHz | 16 MIPS at 16 MHz |
| On-Chip Debug | debugWIRE | — |
| 工作温度 | -40C to +85C (industrial) | — |
| 封装 | 28-PDIP (0.300 in, 7.62 mm) | 28-PDIP |
| 安装类型 | Through Hole | Through Hole |
| Part Status | Obsolete | — |
| Core Architecture | — | 8-bit AVR RISC |
| 最大时钟频率 | — | 16 MHz |
| Flash Memory | — | 8 KB (4K x 16) ISP |
| SRAM | — | 1 KB |
| EEPROM | — | 512 B |
| General Purpose I/O Lines | — | 23 |
| Working Registers | — | 32 x 8 general purpose |
| Timers/Counters | — | Three flexible timer/counters with compare |
| Life Cycle Stage | — | Active |
| Series | — | AVR ATmega |
| Hardware Multiplier | — | On-chip 2-cycle multiplier |
| Programming Interface | — | In-System Programming (ISP) via SPI |