CH340C vs CH340N Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng CH340C sa pamamagitan ng NI at CH340N sa pamamagitan ng WCH. 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 | CH340C | CH340N |
|---|---|---|
| Brand | NI | WCH |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Aktibo | Aktibo |
| Product Type | USB to UART Bridge Controller IC | — |
| USB Standard | USB 2.0 Full-Speed (12 Mbps) | USB 2.0 Full-Speed (12 Mbps) |
| Volte ng Pagbibigay | 3.3 V or 5 V (mode selected by V3 pin) | — |
| Temperature na Operasyon | -20 C to +70 C | -20 °C to +70 °C |
| Maximum Baud Rate | 2 Mbps | 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 | — |
| Packhaging | SOP-16 | SOP-8 |
| Uri ng Pagpapasok | Surface Mount | Surface Mount |
| Level ng MSL | [DATA_NEEDED: MSL moisture sensitivity level] | — |
| Tindminan RoHS | Compliant | Compliant |
| Driver Support | Windows 7/8/10/11, Linux (kernel CDC-ACM), macOS | Windows, macOS, Linux (CDC-ACM or vendor INF) |
| Manufacturer | Nanjing Qinheng Microelectronics Co., Ltd. (WCH) | WCH (Nanjing Qinheng Microelectronics Co., Ltd.) |
| Fungsi | — | USB 2.0 to UART serial bridge |
| 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) |
| Supported Baud Rates | — | 50 bps to 2 Mbps |
| MODEM Signals | — | RTS, CTS supported |
| External Crystal | — | 12 MHz |