ATMEGA644A-AU vs ATMEGA164A-AU 比較
詳細な並列比較: ATMEGA644A-AU メーカー: Microchip Technology および ATMEGA164A-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。
仕様比較
| パラメータ | ATMEGA644A-AU | ATMEGA164A-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） | $5.40 | $2.65 |
| Core Architecture | 8-bit AVR enhanced RISC | AVR 8-bit RISC |
| Program Memory Size | 64 KB Flash (32K x 16) | — |
| Program Memory Type | ISP FLASH with Read-While-Write | — |
| EEPROM | 2 KB | 512 B |
| SRAM | 4 KB | 1 KB |
| Maximum CPU Speed | 20 MHz (20 MIPS) | 20 MHz (20 MIPS) |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| General Purpose I/O | 32 lines | 32 |
| Working Registers | 32 general purpose registers | — |
| USART | 2 | — |
| Timer/Counters | 3 (with compare modes and PWM) | — |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit |
| Serial Interfaces | TWI (2-wire, I2C-compatible), SPI | — |
| Real Time Counter | Yes (RTC) | — |
| パッケージ | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) |
| 実装タイプ | Surface Mount | Surface Mount |
| 動作温度 | -40C to +85C (Industrial) | -40C to +85C (industrial) |
| Device Series | ATmega644A | — |
| Program Memory (Flash) | — | 16 KB (8K x 16) |
| 電源電圧 | — | 2.7 V to 5.5 V (4.5V-5.5V at 20MHz) |
| Timers/Counters | — | Two 8-bit, One 16-bit |
| PWM Channels | — | 6 |
| Communication Interfaces | — | 2x USART, SPI, I2C (TWI) |
| RoHS ステータス | — | Compliant |