ATMEGA3250A-AUR vs ATMEGA3290PA-AUR 对比
详细并排对比 ATMEGA3250A-AUR 出自 Microchip Technology 和 ATMEGA3290PA-AUR 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
ATMEGA3250A-AUR - 8-Bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA3250A-AUR ✓ 量产中Microchip Technology
ATMEGA3290PA-AUR - 8-Bit AVR MCU 32KB 20MHz TQFP-100 | Microchip
ATMEGA3290PA-AUR ✓ 量产中规格对比
| 参数 | ATMEGA3250A-AUR | ATMEGA3290PA-AUR |
|---|---|---|
| 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） | $3.55 | $2.95 |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Program Memory Size | 32 KB (16K x 16) Flash | 32KB (16K x 16) |
| EEPROM Size | 1 KB | 1KB |
| RAM Size | 2 KB SRAM | 2KB |
| 最大时钟频率 | 20 MHz | 20 MHz |
| I/O Count | 54 general purpose I/O lines | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 4.5 V to 5.5 V |
| Data Converters | 10-bit ADC, 8 channels | — |
| Connectivity | SPI, UART/USART | — |
| Debug / Scan | JTAG (IEEE 1149.1 boundary scan, on-chip debug) | — |
| 封装 | 100-TQFP (14x14 mm, 0.8 mm pitch) | TQFP-100 (14x14 mm), 0.8 mm pitch |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| Instruction Set | 131 AVR instructions, mostly single-cycle | 131 powerful instructions, most single-clock cycle |
| In-System Programming | Yes, ISP Flash with read-while-write | — |
| Compliance | [DATA_NEEDED: RoHS/REACH status] | — |
| Program Memory Type | — | FLASH |
| LCD Driver | — | 4 x 40 Segment LCD Driver |
| Timers | — | Two 8-bit timer/counters with separate prescaler and compare mode; one 16-bit timer/counter |
| 工作温度 | — | -40C to +85C (Industrial) |
| Programming Method | — | In-System Programmable (ISP), self-programming Flash |
| Power Modes | — | Idle, Power-save, Power-down, Standby, Extended Standby (picoPower) |
| RoHS 状态 | — | Green / Compliant (per FindIC listing) |