销售商 | 型号 | 制造商 | 功能描述 | 价格 |
 Avnet Express | SN74AS257D | Texas Instruments | - Rail/Tube | 40 : $2.2462
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 Digi-Key 得捷电子 | SN74AS257D | Texas Instruments | IC SELECTOR/MUX QUAD 2-1 16-SOIC | 1,000 : $1.61 500 : $1.909 100 : $2.2425 10 : $2.737 1 : $3.05
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 Digi-Key 得捷电子 | SN74AS257D | Texas Instruments | IC MULTIPLEXER 4 X 2:1 16SOIC | $2.34538 |
 Digi-Key 得捷电子 | SN74AS257D | Texas Instruments | IC MULTIPLEXER 4 X 2:1 16SOIC | $1.77000 |
 Digi-Key 得捷电子 | SN74AS257DR | Texas Instruments | IC MULTIPLEXER 4 X 2:1 16SOIC | Obsolete |
 Digi-Key 得捷电子 | SN74AS257DR | Texas Instruments | IC MULTIPLEXER 4 X 2:1 16SOIC | $0.70000 |
 Digi-Key 得捷电子 | SN74AS257DRE4 | Texas Instruments | IC MULTIPLEXER 4 X 2:1 16SOIC | Obsolete |
 Digi-Key 得捷电子 | SN74AS257DRG4 | Texas Instruments | IC MULTIPLEXER 4 X 2:1 16SOIC | Obsolete |
 Mouser 贸泽电子 | SN74AS257D | Texas Instruments | 编码器、解码器、复用器和解复用器 Quad 2-to-1 Data Slct/Mltpx W/3St Otp | 240:¥17.8992 280:¥16.7466 520:¥15.2098 1,000:¥12.8368
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 Quest Components | SN74AS257D | Texas Instruments | LOGIC MUX, QUAD, 2-INPUT, AS-TTL, 16 Pin, Plastic, SOP | 370 : $0.754 173 : $0.812 1 : $2.32
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 Rochester Electronics | SN74AS257D | Texas Instruments | M: AS257 | 500 : $1.51 1,000 : $1.44
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 Rochester Electronics | SN74AS257D | Rochester Electronics LLC | MUX SN74AS257D | 价格未公开 |
 Verical | SN74AS257D | Texas Instruments | Multiplexer 1-Element Bipolar 3-ST 8-IN 16-Pin SOIC Tube | $1.4375
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 立创商城 | SN74AS257D | TI(德州仪器) | 信号开关,多路复用器,解码器 | 1+:¥20.85 200+:¥8.07 500+:¥7.79 1000+:¥7.65
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