CH340N vs CH340G Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng CH340N sa pamamagitan ng WCH at CH340G 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 | CH340N | CH340G |
|---|---|---|
| Brand | WCH | WCH |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Aktibo | Aktibo |
| Manufacturer | WCH (Nanjing Qinheng Microelectronics Co., Ltd.) | WCH (Nanjing Qinheng Microelectronics) |
| Fungsi | USB 2.0 to UART serial bridge | — |
| USB Standard | USB 2.0 Full-Speed (12 Mbps) | — |
| Supply Voltage (VCC) | 3.3 V or 5 V | 3.3 V to 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 | — |
| 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 | -40 C to +85 C |
| Packhaging | SOP-8 | SOP-16 (SOIC-16, 150 mil) |
| Uri ng Pagpapasok | Surface Mount | Surface Mount |
| Tindminan RoHS | Compliant | Compliant |
| Driver Support | Windows, macOS, Linux (CDC-ACM or vendor INF) | — |
| Product Type | — | USB to UART Bridge Controller |
| USB Specification | — | USB 2.0 Full-Speed (12 Mbps) |
| 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 |
| 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) |