CH340C vs CH340G तुलना
विस्तृत दोनों ओर की तुलना CH340C द्वारा NI और CH340G द्वारा WCH. मुख्य विशेषताओं, इलेक्ट्रिकल पैरामीटर, पैकेजिंग, चक्र स्थिति, मूल्यांकन और उपलब्धता को तुलना करके अपनी डिजाइन की आवश्यकताओं के लिए सबसे अच्छा घटक निर्धारित करें。
विशेषता तुलना
| पैरामीटर | CH340C | CH340G |
|---|---|---|
| ब्रांड | NI | WCH |
| श्रेणी | Interface ICs | Interface ICs |
| लाइफसाइकिल स्थिति | सक्रिय | सक्रिय |
| Product Type | USB to UART Bridge Controller IC | USB to UART Bridge Controller |
| USB Standard | USB 2.0 Full-Speed (12 Mbps) | — |
| सप्लाई वोल्टेज | 3.3 V or 5 V (mode selected by V3 pin) | — |
| ऑपरेटिंग तापमान | -20 C to +70 C | -40 C to +85 C |
| 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) | — |
| UART Signals | TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI | TXD, RXD, CTS, RTS, DTR, DSR, DCD, RI |
| पैकेज | SOP-16 | SOP-16 (SOIC-16, 150 mil) |
| माउंटिंग प्रकार | Surface Mount | Surface Mount |
| MSL स्तर | [DATA_NEEDED: MSL moisture sensitivity level] | — |
| RoHS स्थिति | Compliant | Compliant |
| Driver Support | Windows 7/8/10/11, Linux (kernel CDC-ACM), macOS | — |
| Manufacturer | Nanjing Qinheng Microelectronics Co., Ltd. (WCH) | WCH (Nanjing Qinheng Microelectronics) |
| 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 |
| 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) |