ATMEGA644PA-ANR vs ATMEGA644P-20PQ 对比
详细并排对比 ATMEGA644PA-ANR 出自 Microchip Technology 和 ATMEGA644P-20PQ 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-ANR - 8-bit AVR MCU 64KB Flash 44-TQFP | Microchip
ATMEGA644PA-ANR ✓ 量产中Microchip Technology
ATMEGA644P-20PQ - 8-bit AVR MCU 20MHz 64KB Flash DIP-40 | Microchip
ATMEGA644P-20PQ Nrnd规格对比
| 参数 | ATMEGA644PA-ANR | ATMEGA644P-20PQ |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 不推荐新设计 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $3.35 | $7.40 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 16 MHz | — |
| Program Memory Size | 64 KB (32K x 16) | — |
| Program Memory Type | FLASH | — |
| EEPROM Size | 2 KB | — |
| RAM Size | 4 KB | — |
| Number of I/O | 32 | 32 |
| Oscillator Type | Internal | Internal RC |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | — |
| Connectivity | I2C, SPI, USART | — |
| ADC Resolution | 10-bit, 8 channels | — |
| Architecture Features | 131 instructions, most single-cycle, 2-cycle on-chip multiplier | — |
| 封装 / 外壳 | 44-TQFP (10x10 mm) | — |
| 工作温度 | -40C to +105C | — |
| 安装类型 | Surface Mount | Through Hole |
| Packaging | Tape & Reel (TR) | — |
| Technology | picoPower | — |
| Voltage - Supply | [DATA_NEEDED: Voltage - Supply] | — |
| RoHS 状态 | Green (RoHS compliant per FindIC listing) | Green (per FindIC listing) |
| Core Architecture | — | AVR 8-bit RISC |
| 最大时钟频率 | — | 20 MHz |
| Flash Memory | — | 64 KB (32K x 16) |
| SRAM | — | 4 KB (4K x 8) |
| EEPROM | — | 2 KB |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| Operating Voltage (20MHz) | — | 4.5 V to 5.5 V |
| 封装 | — | 40-PDIP |
| USARTs | — | 2 |
| Instruction Set | — | 131 instructions, mostly single-cycle |
| Processing Throughput | — | Up to 20 MIPS at 20 MHz (approx. 1 MIPS per MHz) |
| Temperature Range | — | Extended temperature (industrial) |
| Programming Features | — | In-System Programmable Flash, self-programming boot section, JTAG |
| Power Modes | — | Idle, Power-down, Power-save, Standby, Extended Standby (picoPower) |