CH340N vs CH340C Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng CH340N sa pamamagitan ng WCH at CH340C sa pamamagitan ng NI. Ikinahambing ang mga pangunahing paglalarawan, mga tama ng elektriko, paakay, kalagayan ng buhay, presyo, at pagkakaroon upang makita ang pinakamahusay na komponente para sa iyong mga kinakailangang pang disenyo.
Pagsanggunian na paghahambing
| Parametro | CH340N | CH340C |
|---|---|---|
| Brand | WCH | NI |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Aktibo | Aktibo |
| Manufacturer | WCH (Nanjing Qinheng Microelectronics Co., Ltd.) | Nanjing Qinheng Microelectronics Co., Ltd. (WCH) |
| Fungsi | USB 2.0 to UART serial bridge | — |
| USB Standard | USB 2.0 Full-Speed (12 Mbps) | USB 2.0 Full-Speed (12 Mbps) |
| Supply Voltage (VCC) | 3.3 V or 5 V | — |
| Internal 3.3 V LDO Output (V3) | ~50 mA available for external load | — |
| UART Logic Levels | 3.3 V or 5 V (matches VCC) | — |
| Maximum Baud Rate | 2 Mbps | 2 Mbps |
| Supported Baud Rates | 50 bps to 2 Mbps | — |
| MODEM Signals | RTS, CTS supported | — |
| External Crystal | 12 MHz | — |
| Temperature na Operasyon | -20 °C to +70 °C | -20 C to +70 C |
| Packhaging | SOP-8 | SOP-16 |
| Uri ng Pagpapasok | Surface Mount | Surface Mount |
| Tindminan RoHS | Compliant | Compliant |
| Driver Support | Windows, macOS, Linux (CDC-ACM or vendor INF) | Windows 7/8/10/11, Linux (kernel CDC-ACM), macOS |
| Product Type | — | USB to UART Bridge Controller IC |
| Volte ng Pagbibigay | — | 3.3 V or 5 V (mode selected by V3 pin) |
| 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 |
| Level ng MSL | — | [DATA_NEEDED: MSL moisture sensitivity level] |