ATMEGA8A-PU vs ATMEGA88-20PI 对比
详细并排对比 ATMEGA8A-PU 出自 Microchip Technology 和 ATMEGA88-20PI 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
ATMEGA8A-PU - 8-bit AVR MCU 16MHz 8KB Flash DIP-28 | Microchip
ATMEGA8A-PU ✓ 量产中Microchip Technology
ATMEGA88-20PI - 8KB Flash 20MHz AVR MCU 28-DIP | Microchip
ATMEGA88-20PI Obsolete规格对比
| 参数 | ATMEGA8A-PU | ATMEGA88-20PI |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $1.86 | $1.85 |
| 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 | — |
| Operating Voltage Range | 4.5 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O Lines | 23 | — |
| Throughput | 16 MIPS at 16 MHz | Up to 20 MIPS at 20 MHz |
| Instructions | 130 instructions, most single-cycle | 131 instructions, most single-cycle |
| Working Registers | 32 x 8 general purpose | — |
| Timers/Counters | Three flexible timer/counters with compare | — |
| 封装 | 28-PDIP | 28-PDIP (0.300 in, 7.62 mm) |
| 安装类型 | Through Hole | Through Hole |
| Life Cycle Stage | Active | — |
| Series | AVR ATmega | — |
| Hardware Multiplier | On-chip 2-cycle multiplier | — |
| Programming Interface | In-System Programming (ISP) via SPI | — |
| 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 |
| 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 |
| On-Chip Debug | — | debugWIRE |
| 工作温度 | — | -40C to +85C (industrial) |
| Part Status | — | Obsolete |