CH340G vs CH340C مقایسه
مقایسه دقیق کنار به کنار CH340G توسط WCH و CH340C توسط NI. مشخصات کلیدی، پارامترهای الکتریکی، بسته‌بندی، وضعیت چرخه عمر، قیمت‌گذاری و موجودی را مقایسه کنید تا بهترین قطعه را برای نیازهای طراحی خود تعیین کنید.
مقایسه مشخصات
| پارامتر | CH340G | CH340C |
|---|---|---|
| برند | WCH | NI |
| دسته‌بندی | Interface ICs | Interface ICs |
| وضعیت چرخه عمر | فعال | فعال |
| Product Type | USB to UART Bridge Controller | USB to UART Bridge Controller IC |
| Manufacturer | WCH (Nanjing Qinheng Microelectronics) | Nanjing Qinheng Microelectronics Co., Ltd. (WCH) |
| 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 | — |
| UART Signals | TXD, RXD, CTS, RTS, DTR, DSR, DCD, RI | TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI |
| Clock Source | External 12 MHz crystal required | — |
| دمای کاری | -40 C to +85 C | -20 C to +70 C |
| 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 | — |
| بسته‌بندی | SOP-16 (SOIC-16, 150 mil) | SOP-16 |
| نوع نصب | Surface Mount | Surface Mount |
| RS-232 Assistant Mode | Yes (R232 pin enables internal inverter) | — |
| وضعیت RoHS | Compliant | Compliant |
| USB Standard | — | USB 2.0 Full-Speed (12 Mbps) |
| ولتاژ تغذیه | — | 3.3 V or 5 V (mode selected by V3 pin) |
| 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) |
| سطح MSL | — | [DATA_NEEDED: MSL moisture sensitivity level] |
| Driver Support | — | Windows 7/8/10/11, Linux (kernel CDC-ACM), macOS |