ATMEGA644PV-10PQ vs ATMEGA644P-20PQ 对比
详细并排对比 ATMEGA644PV-10PQ 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
ATMEGA644PV-10PQ - 8-Bit AVR MCU 64KB Flash 10MHz | Microchip
ATMEGA644PV-10PQ NrndMicrochip Technology
ATMEGA644P-20PQ - 8-bit AVR MCU 20MHz 64KB Flash DIP-40 | Microchip
ATMEGA644P-20PQ Nrnd规格对比
| 参数 | ATMEGA644PV-10PQ | ATMEGA644P-20PQ |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 不推荐新设计 | 不推荐新设计 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $4.98 | $7.40 |
| Core | AVR 8-bit | — |
| Series | AVR ATmega ATMEGA644P | — |
| 最大时钟频率 | 10 MHz | 20 MHz |
| Program Memory Size | 64KB (32K x 16) Flash | — |
| SRAM Size | 4 KB | — |
| EEPROM Size | 2 KB | — |
| Minimum Operating Voltage | 1.8 V | — |
| Communication Interfaces | I2C, SPI, UART/USART | — |
| Number of USARTs | 2 (P-variant) | — |
| Oscillator | Internal oscillator included | — |
| 封装 | 40-PDIP (0.600 inch, 15.24mm) | 40-PDIP |
| 安装类型 | Through-Hole | Through Hole |
| Number of Terminals | 40 | — |
| Temperature Grade | Industrial | — |
| Programming Method | In-System Programmable (ISP) via SPI, boot loader, conventional programmer | — |
| Maximum Operating Frequency vs Voltage | [DATA_NEEDED: V-f curve] | — |
| ADC Resolution | [DATA_NEEDED: ADC resolution] | — |
| Timers | [DATA_NEEDED: timer count and sizes] | — |
| 工作温度范围 | [DATA_NEEDED: exact C range] | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | Green (per FindIC listing) |
| Core Architecture | — | AVR 8-bit RISC |
| 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 |
| Number of I/O | — | 32 |
| Oscillator Type | — | Internal RC |
| 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) |