CH340C vs CH340G 비교
다음의 상세 나란히 비교: CH340C 제조: NI 및 CH340G 제조: WCH. 주요 사양, 전기적 파라미터, 패키징, 수명 주기 상태, 가격 및 재고를 비교하여 설계 요구 사항에 가장 적합한 부품을 결정하십시오.
사양 비교
| 파라미터 | CH340C | CH340G |
|---|---|---|
| 브랜드 | NI | WCH |
| 카테고리 | Interface ICs | Interface ICs |
| 수명 주기 상태 | 활성 | 활성 |
| 재고 상태 | In Stock | In Stock |
| 단가 (USD) | $0.34 | $0.31 |
| Product Type | USB to UART Bridge Controller IC | USB to UART Bridge Controller |
| USB Standard | USB 2.0 Full-Speed (12 Mbps) | — |
| 공급 전압 | 3.3 V or 5 V (mode selected by V3 pin) | — |
| 동작 온도 | -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 |
| 패키지 | SOP-16 | SOP-16 (SOIC-16, 150 mil) |
| 실장 유형 | Surface Mount | Surface Mount |
| MSL 레벨 | [DATA_NEEDED: MSL moisture sensitivity level] | — |
| RoHS 상태 | 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) |