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CH340K

USB Convert serial port chip

Features ●Full-speedUSBdeviceinterface,compatiblewithUSBV2.0. ●Simulatestandardserialport,usedtoupgradeoriginalserialportperipherals,oraddadditionalserialportsthroughUSB. ●TheserialportapplicationundertheWindowsoperatingsystemonthecomputersideisfullycom

WCHNanjing Qinheng Microelectronics Co., Ltd.

沁恒微电子南京沁恒微电子股份有限公司

CH340K

USB 转串口芯片; • 全速USB设备接口,兼容USB V2.0。\n• 仿真标准串口,用于升级原串口外围设备,或者通过USB增加额外串口。\n• 计算机端Windows操作系统下的串口应用程序完全兼容,无需修改。\n• 硬件全双工串口,内置收发缓冲区,支持通讯波特率50bps~2Mbps。\n• 支持常用的MODEM联络信号RTS、DTR、DCD、RI、DSR、CTS。\n• 通过外加电平转换器件,提供RS232、RS485、RS422等接口。\n• CH340R芯片支持IrDA规范SIR红外线通讯,支持波特率2400bps到115200bps。\n• 内置固件,软件兼容CH341,可以直接使用CH341的VCP驱动程序。\n• 支持5V电源电压和3.3V电源电压。\n• CH340C/N/K/E/X/B内置时钟,无需外部晶振,CH340B还内置EEPROM用于配置序列号等。\n• 提供SOP16、SOP8和SSOP20以及ESSOP10、MSOP10无铅封装,兼容RoHS。\n;

CH340是一个USB总线的转接芯片,实现USB转串口或者USB转打印口。在串口方式下,CH340提供常用的MODEM联络信号,用于为计算机扩展异步串口,或者将普通的串口设备直接升级到USB总线。有关USB转打印口的说明请参考手册(二)CH340DS2。

WCHNanjing Qinheng Microelectronics Co., Ltd.

沁恒微电子南京沁恒微电子股份有限公司

CH340N

USBConvertserialportchip

Features ●Full-speedUSBdeviceinterface,compatiblewithUSBV2.0. ●Simulatestandardserialport,usedtoupgradeoriginalserialportperipherals,oraddadditionalserialportsthroughUSB. ●TheserialportapplicationundertheWindowsoperatingsystemonthecomputersideisfullycom

WCHNanjing Qinheng Microelectronics Co., Ltd.

沁恒微电子南京沁恒微电子股份有限公司

CH340R

USBtoserialchip

WCHNanjing Qinheng Microelectronics Co., Ltd.

沁恒微电子南京沁恒微电子股份有限公司

CH340R

USBConvertserialportchip

Features ●Full-speedUSBdeviceinterface,compatiblewithUSBV2.0. ●Simulatestandardserialport,usedtoupgradeoriginalserialportperipherals,oraddadditionalserialportsthroughUSB. ●TheserialportapplicationundertheWindowsoperatingsystemonthecomputersideisfullycom

WCHNanjing Qinheng Microelectronics Co., Ltd.

沁恒微电子南京沁恒微电子股份有限公司

CH340RDWPT

SCHOTTKYBARRIERRECTIFIERVOLTAGE40VoltsCURRENT350mAmpere

FEATURE *Highspeed.(TRR=10nSecTyp.) *Suitableforhighpackingdensity. *Maximumtotalpowerdisspationis200mW. *Smallsurfacemountingtype.(SC-88/SOT-363) APPLICATION *Ultrahighspeedswitching

CHENMKOCHENMKO ENTERPRISE CO., LTD.

力勤力勤股份有限公司

CH340SDWPT

SCHOTTKYBARRIERRECTIFIERVOLTAGE40VoltsCURRENT350mAmpere

FEATURE *Smallsurfacemountingtype.(SC-74/SOT-457) *Highspeed.(TRR=10nSecTyp.) *Suitableforhighpackingdensity. *Maximumtotalpowerdisspationis225mW. APPLICATION *Ultrahighspeedswitching

CHENMKOCHENMKO ENTERPRISE CO., LTD.

力勤力勤股份有限公司

CH340T

USBtoserialchip

WCHNanjing Qinheng Microelectronics Co., Ltd.

沁恒微电子南京沁恒微电子股份有限公司

CH340T

USBConvertserialportchip

Features ●Full-speedUSBdeviceinterface,compatiblewithUSBV2.0. ●Simulatestandardserialport,usedtoupgradeoriginalserialportperipherals,oraddadditionalserialportsthroughUSB. ●TheserialportapplicationundertheWindowsoperatingsystemonthecomputersideisfullycom

WCHNanjing Qinheng Microelectronics Co., Ltd.

沁恒微电子南京沁恒微电子股份有限公司

CH340X

USBConvertserialportchip

Features ●Full-speedUSBdeviceinterface,compatiblewithUSBV2.0. ●Simulatestandardserialport,usedtoupgradeoriginalserialportperipherals,oraddadditionalserialportsthroughUSB. ●TheserialportapplicationundertheWindowsoperatingsystemonthecomputersideisfullycom

WCHNanjing Qinheng Microelectronics Co., Ltd.

沁恒微电子南京沁恒微电子股份有限公司

供应商型号品牌批号封装库存备注价格
WCH(南京沁恒)
23+
SOIC8
8955
原装现货
询价
WCH/沁恒
22+23+
ESSOP-10
89630
代理假一赔十全新原装现货
询价
WCH(南京沁恒)
24+
ESSOP-10
7596
原厂可订货,技术支持,直接渠道。可签保供合同
询价
WCH专卖店
23+
ESSOP10
6800
只做原装正品假一赔十为客户做到零风险!!
询价
WCH(南京沁恒)
2447
ESSOP-10
315000
100个/管一级代理专营品牌!原装正品,优势现货,长期
询价
WCH
21+
ESSOP10
10000
绝对公司现货,不止网上数量!原装正品,假一赔十!
询价
WCH(南京沁恒)
2021+
ESSOP-10
499
询价
NA
23+
NA
26094
10年以上分销经验原装进口正品,做服务型企业
询价
23+
ESSOP-10
50000
全新原装正品现货,支持订货
询价
WCH/支持实单
21+
ESSOP10
3000
一级代理,专注军工、汽车、医疗、工业、新能源、电力
询价
更多CH340K供应商 更新时间2025-7-28 10:00:00