CH340C vs CH340G 比較
詳細な並列比較: CH340C メーカー: NI および CH340G メーカー: WCH。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 | CH340C | CH340G |
|---|---|---|
| ブランド | NI | WCH |
| カテゴリ | Interface ICs | Interface ICs |
| ライフサイクル状態 | 有効 | 有効 |
| 在庫状況 | In Stock | In Stock |
| 単価（USD） | $0.34 | $0.31 |
| Product Type | USB to UART Bridge Controller IC | USB to UART Bridge Controller |
| USB Standard | USB 2.0 Full-Speed (12 Mbps) | — |
| 電源電圧 | 3.3 V or 5 V (mode selected by V3 pin) | — |
| 動作温度 | -20 C to +70 C | -40 C to +85 C |
| Maximum Baud Rate | 2 Mbps | — |
| Suspend Current | 50 uA (typical) | — |
| Active Supply Current | 7 mA (typical, full-speed traffic) | — |
| On-Chip Oscillator | Yes - 12 MHz internal (no external crystal required) | — |
| UART Signals | TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI | TXD, RXD, CTS, RTS, DTR, DSR, DCD, RI |
| パッケージ | SOP-16 | SOP-16 (SOIC-16, 150 mil) |
| 実装タイプ | Surface Mount | Surface Mount |
| MSLレベル | [DATA_NEEDED: MSL moisture sensitivity level] | — |
| RoHS ステータス | Compliant | Compliant |
| Driver Support | Windows 7/8/10/11, Linux (kernel CDC-ACM), macOS | — |
| Manufacturer | Nanjing Qinheng Microelectronics Co., Ltd. (WCH) | WCH (Nanjing Qinheng Microelectronics) |
| USB Specification | — | USB 2.0 Full-Speed (12 Mbps) |
| Supply Voltage (VCC) | — | 3.3 V to 5 V |
| IO Logic Level | — | 3.3 V or 5 V (matches VCC) |
| Operating Baud Rate | — | 50 bps to 2 Mbps |
| Clock Source | — | External 12 MHz crystal required |
| Storage Temperature | — | -40 C to +125 C |
| Maximum VCC | — | 6.5 V (absolute max) |
| IO Pin Voltage Range | — | -0.5 V to VCC + 0.5 V |
| RS-232 Assistant Mode | — | Yes (R232 pin enables internal inverter) |