ATMEGA644PA-AUR vs ATMEGA644P-15AZ 对比
详细并排对比 ATMEGA644PA-AUR 出自 Microchip Technology 和 ATMEGA644P-15AZ 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
ATMEGA644PA-AUR - 8-Bit AVR MCU 64KB Flash 20MHz TQFP-44 | Microchip
ATMEGA644PA-AUR ✓ 量产中Microchip Technology
ATMEGA644P-15AZ - 8-bit AVR MCU 64KB 16MHz TQFP-44 | Microchip
ATMEGA644P-15AZ Obsolete规格对比
| 参数 | ATMEGA644PA-AUR | ATMEGA644P-15AZ |
|---|---|---|
| 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） | $1.78 | $4.98 |
| Core Architecture | 8-bit AVR RISC (Harvard) | — |
| Flash Memory (ISP) | 64 KB (32K x 16) with read-while-write | — |
| SRAM | 4 KB | — |
| EEPROM | 2 KB | — |
| 最大时钟频率 | 20 MHz | — |
| Maximum Throughput | 20 MIPS (1 MIPS per MHz) | — |
| Instructions | 131 instructions, mostly single-clock cycle | — |
| Hardware Multiplier | On-chip 2-cycle multiplier | — |
| General Purpose I/O | 32 lines | — |
| Working Registers | 32 general purpose | — |
| Timers/Counters | 3 flexible timer/counters with compare modes and PWM | — |
| USART | 2 | — |
| Serial Interfaces | TWI (I2C-compatible), SPI | — |
| ADC | 8-channel 10-bit | 10-bit, up to 8 channels |
| Real-Time Counter | Yes | — |
| 电源电压 | 2.5 V / 3.3 V / 5 V operation | — |
| 封装 | 44-TQFP (10 x 10 mm) | — |
| Low Power Technology | picoPower | — |
| 安装类型 | Surface Mount | — |
| Packaging | Tape & Reel (T/R) | Tape & Reel (TR) |
| RoHS 状态 | Compliant (GREEN) | — |
| Core | — | AVR 8-bit |
| Core Size | — | 8-Bit |
| Speed | — | 16 MHz |
| Program Memory Size | — | 64 KB (32K x 16) Flash |
| RAM Size | — | 4 KB |
| EEPROM Size | — | 2 KB |
| Number of I/O | — | 32 |
| 封装 / 外壳 | — | 44-TQFP (10x10 mm) |
| Operating Voltage | — | 4.5 V to 5.5 V (15 MHz speed grade) |
| Oscillator Type | — | Internal |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | — | I2C, SPI, 2x USART |
| Architecture Features | — | 131 instructions, most single-cycle, 1 MIPS/MHz |
| Technology | — | picoPower low-power CMOS |
| Debug Interface | — | JTAG (on-chip debug) |
| Qualification | — | Verified during product qualification per AEC-Q100 grade 1 (per datasheet family notes) |
| Programmer Compatibility | — | AVR ISP / STK600 / XPRO toolchain |