ATMEGA645A-AU vs ATMEGA325A-AU 比較
詳細な並列比較: ATMEGA645A-AU メーカー: Microchip Technology および ATMEGA325A-AU メーカー: Microchip Technology。主要仕様、電気的特性、パッケージ、ライフサイクルステータス、価格、在庫状況を比較して、設計要件に最適な部品を判断してください。
Microchip Technology
ATMEGA645A-AU - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA645A-AU ✓ 生産中Microchip Technology
ATMEGA325A-AU - AVR 8-bit MCU 32KB Flash 20MHz 64TQFP | Microchip
ATMEGA325A-AU ✓ 生産中仕様比較
| パラメータ | ATMEGA645A-AU | ATMEGA325A-AU |
|---|---|---|
| ブランド | Microchip Technology | Microchip Technology |
| カテゴリ | Microcontrollers | Microcontrollers |
| ライフサイクル状態 | 有効 | 有効 |
| 在庫状況 | In Stock | In Stock |
| 単価（USD） | $3.95 | $3.12 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max CPU Frequency | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) In-System Programmable | 32 KB (16K x 16) ISP Flash with read-while-write |
| EEPROM | 2 KB | 1 KB |
| SRAM | 4 KB | 2 KB |
| General Purpose I/O | 54 GPIO | 54 lines |
| パッケージ | 64-TQFP (14x14 mm) | 64-TQFP, 14 x 14 mm, 0.8 mm pitch |
| 実装タイプ | Surface Mount | Surface Mount |
| 電源電圧 | 4.5 V to 5.5 V (16 MHz operation) | 4.5 V to 5.5 V |
| 動作温度 | [DATA_NEEDED: operating temperature range] | — |
| ADC | 10-bit, up to 8 channels | — |
| LCD Controller | Yes, up to 4 COM x 25 SEG | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| Timers | 2 x 8-bit, 1 x 16-bit (plus watchdog) | — |
| ピン数 | 64 | — |
| RoHS ステータス | Compliant | Green (lead-free, per FindIC listing) |
| MSLレベル | [DATA_NEEDED: moisture sensitivity level] | — |
| 最大クロック周波数 | — | 20 MHz |
| Instructions | — | 131 powerful instructions, most single-cycle |
| Working Registers | — | 32 general purpose registers |
| Debug / Test Interface | — | JTAG (on-chip debug and boundary scan) |
| Temperature Grade | — | Industrial |
| Lifecycle Stage | — | ACTIVE |
| 動作温度範囲 | — | [DATA_NEEDED: operating temperature range] |
| Moisture Sensitivity Level | — | [DATA_NEEDED: MSL level] |