ATMEGA644P-20MQ vs ATMEGA644PA-MNR 比較
詳細並排比較 ATMEGA644P-20MQ 由 Microchip Technology 與 ATMEGA644PA-MNR 由 Microchip Technology. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
Microchip Technology
ATMEGA644P-20MQ - 8-bit AVR MCU 64KB 20MHz VQFN-44 | Microchip
ATMEGA644P-20MQ NrndMicrochip Technology
ATMEGA644PA-MNR - 8-bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644PA-MNR ✓ 啟用中規格比較
| 參數 | ATMEGA644P-20MQ | ATMEGA644PA-MNR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 類別 | Microcontrollers | Microcontrollers |
| 生命週期狀態 | NRND | 啟用中 |
| Core Architecture | AVR 8-bit RISC | — |
| CPU Speed | 20 MHz | 20 MHz |
| Throughput | Up to 20 MIPS (1 MIPS per MHz) | — |
| Flash Program Memory | 64 KB (32K x 16) | — |
| SRAM | 4 KB (4,096 bytes) | — |
| EEPROM | 2 KB (2,048 bytes) | — |
| Operating Voltage | 5 V | — |
| Number of I/O | 32 | 32 |
| Digital Communication Peripherals | 2 UART | — |
| Oscillator Type | Internal | Internal |
| Instructions | 131 powerful instructions, most single-cycle | 131, mostly single-clock cycle |
| 封裝 | 44-VQFN (7x7 mm) with exposed pad | — |
| 安裝類型 | Surface Mount | Surface Mount |
| Temperature Grade | Industrial, extended temperature | — |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) |
| Technology Feature | picoPower low-power, green/RoHS | picoPower low-power technology |
| Programming | ICSP via 2 I/O pins + reset, MPLAB SNAP compatible | — |
| Lifecycle | Mature; NRND - replaced by ATmega644PA | — |
| Core | — | AVR 8-bit RISC |
| Program Memory Size | — | 64 KB (32K x 16) Flash |
| Program Memory Type | — | ISP FLASH, read-while-write |
| EEPROM Size | — | 2 KB |
| SRAM Size | — | 4 KB (4K x 8) |
| General Purpose Working Registers | — | 32 |
| 封裝 / 外殼 | — | 44-VQFN (7x7 mm) Exposed Pad |
| Programming / Debug | — | ICSP, JTAG |
| 工作溫度 | — | [DATA_NEEDED: exact grade per suffix; Mouser lists 105C grade variant] |
| Operating Voltage Range | — | [DATA_NEEDED: exact VCC range for this suffix] |