CH340G vs CH340C Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng CH340G 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 | CH340G | CH340C |
|---|---|---|
| Brand | WCH | NI |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Aktibo | Aktibo |
| 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 | — |
| Temperature na Operasyon | -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 | — |
| Packhaging | SOP-16 (SOIC-16, 150 mil) | SOP-16 |
| Uri ng Pagpapasok | Surface Mount | Surface Mount |
| RS-232 Assistant Mode | Yes (R232 pin enables internal inverter) | — |
| Tindminan RoHS | Compliant | Compliant |
| USB Standard | — | USB 2.0 Full-Speed (12 Mbps) |
| Volte ng Pagbibigay | — | 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) |
| Level ng MSL | — | [DATA_NEEDED: MSL moisture sensitivity level] |
| Driver Support | — | Windows 7/8/10/11, Linux (kernel CDC-ACM), macOS |