ATMEGA3250PA-AU vs ATMEGA3290P-20AU 对比
详细并排对比 ATMEGA3250PA-AU 出自 Microchip Technology 和 ATMEGA3290P-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。
Microchip Technology
ATMEGA3250PA-AU - 8-bit AVR MCU 32KB 20MHz TQFP-100 | Microchip
ATMEGA3250PA-AU ✓ 量产中Microchip Technology
ATMEGA3290P-20AU - AVR 8-Bit MCU 20MHz 32KB Flash TQFP-100 | Microchip
ATMEGA3290P-20AU ✓ 量产中规格对比
| 参数 | ATMEGA3250PA-AU | ATMEGA3290P-20AU |
|---|---|---|
| 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） | $4.43 | $9.62 |
| Core Architecture | AVR 8-bit RISC | — |
| Core Size | 8-Bit | 8-Bit |
| Max Clock Frequency | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | 32 KB (16K x 16) |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| General Purpose I/O | 69 lines | 69 |
| Working Registers | 32 x 8-bit | 32 |
| Instructions | 131 instructions, most single-cycle | — |
| Throughput | Up to 16 MIPS at 16 MHz (fully static operation) | — |
| Connectivity | SPI, UART/USART, USI | — |
| Debug/Scan Interface | JTAG (boundary-scan, on-chip debug, programming) | — |
| Timers | Three timer/counters with compare modes | — |
| Low Power Technology | picoPower | picoPower |
| Flash Feature | In-System Programmable, read-while-write | — |
| 封装 | 100-TQFP (14 x 14 mm) | 100-TQFP (14x14 mm, 0.8 mm pitch) |
| 安装类型 | Surface Mount (Gull Wing) | Surface Mount |
| 工作温度范围 | Industrial (-40C to +85C) | — |
| Operating Voltage | [DATA_NEEDED: operating voltage range] | — |
| Internal Interrupts | Internal and external interrupt sources | — |
| RoHS 状态 | Green (RoHS compliant per FindIC listing) | — |
| Core Processor | — | AVR |
| Speed | — | 20 MHz |
| Instruction Set | — | 131 powerful instructions |
| 电源电压 | — | 4.5 V to 5.5 V |
| 工作温度 | — | -40C to +85C (industrial) |
| Programming / Debug | — | ICSP, debugWIRE (via MPLAB SNAP) |
| LCD Controller | — | Yes (segment LCD drive) |
| 生命周期状态 | — | ACTIVE |