| 销售商 | 型号 | 制造商 | 功能描述 | 价格 |
 Arrow(艾睿) | SN75C188NE4 | Texas Instruments | 接口 - 驱动器,接收器,收发器 - 集成电路 (IC) | 700+:¥5.0299700+:¥4.0101 1000+:¥3.92 2500+:¥3.6 10000+:¥3.51 25000+:¥3.43 50000+:¥ |
 Digi-Key 得捷电子 | SN75C188NE4 | Texas Instruments | IC QUAD LINE DRVR LP 14-DIP | 700 : $0.6916
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 Digi-Key 得捷电子 | SN75C188NE4 | Texas Instruments | 接口 - 驱动器,接收器,收发器 - 集成电路 (IC) | 700+:¥5.0299 |
 Mouser 贸泽电子 | SN75C188NE4 | Texas Instruments | 接口 - 驱动器,接收器,收发器 - 集成电路 (IC) | 700+:¥5.0299700+:¥4.0101 1000+:¥3.92 2500+:¥3.6 10000+:¥3.51 25000+:¥3.43 50000+:¥3.32 |
 Newark element14 | SN75C188NE4 | Texas Instruments | RS-232 LINE DRIVER, 15V, DIP-14; Device Type:RS232 Driver; IC Interface Type:RS232; No. of Drivers:4; Supply Voltage Min:4.5V; Supply Voltage Max:15V; Driver Case Style:DIP; No. of Pins:14; Operating Temperature Min:0 C; MSL:- ;RoHS Compliant: Yes | 500 : $0.59 1,000 : $0.55 2,500 : $0.477 5,000 : $0.47 10,000 : $0.466
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 Verical | SN75C188NE4 | Texas Instruments | Quad Transmitter RS-232 14-Pin PDIP Tube | $0.52
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