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74AHCT257D  Quad 2-input multiplexer; 3-state
厂商: PHILIPS[Philips Semiconductors] 查看供应商
SN74AHCT257D  QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
厂商: TI[Texas Instruments] 查看供应商
SN74AHCT257DB  QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
厂商: TI[Texas Instruments] 查看供应商
SN74AHCT257DGV  QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
厂商: TI[Texas Instruments] 查看供应商
74AHCT257D-T  Quad 2-input multiplexer; 3-state - Description: Quad 2-Input Multiplexer; TTL Enabled (3-State) ; Logic switching levels: TTL ; Number of pins: 16 ; Output drive capability: +/- 8 mA ; Power dissipation considerations: Low Power ; Propagation delay: 3.7 ns; Voltage: 4.5-5.5 V
厂商: Philips Semiconductors / NXP Semiconductors查看供应商

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