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74HC138 3-to-8 line decoder/demultiplexer; inverting PHILIPS

74HC138D 3-to-8 line decoder/demultiplexer; inverting PHILIPS

74HC138DB 3-to-8 line decoder/demultiplexer; inverting PHILIPS

74HC138N 3-to-8 line decoder/demultiplexer; inverting PHILIPS

74HC138PW 3-to-8 line decoder/demultiplexer; inverting PHILIPS

74HC139 Dual 2-to-4 line decoder/demultiplexer PHILIPS

74HC139D Dual 2-to-4 line decoder/demultiplexer PHILIPS

74HC139DB Dual 2-to-4 line decoder/demultiplexer PHILIPS

74HC139N Dual 2-to-4 line decoder/demultiplexer PHILIPS

74HC139PW Dual 2-to-4 line decoder/demultiplexer PHILIPS

74HC14 Hex inverting Schmitt trigger PHILIPS

74HC14 瑞斯特（RST）74HC14是一款六路施密特触发反相器，在14引脚封装内集成了六个独立的反相器，每个输入端均具备施密特触发特性。该器件支持2.0 V至6.0 V的宽工作电压范围，其施密特触发输入能够将缓慢变化或带有噪声的输入信号整形为边沿陡峭、抖动极低的输出信号，同时具备TTL电平兼容能力。 RSTTEK

74HC147 10-to-4 line priority encoder PHILIPS

74HC147N 10-TO-4 LINE PRIORITY ENCODER PHILIPS

74HC148 8-3 Line Priority Encoder FAIRCHILD

74HC148 8-to-3-line Octal Priority Encoder HITACHI

74HC148 8-LINE TO 3-LINE PRIORITY ENCODERS TI

74HC148 8 TO 3 LINE PRIORITY ENCODER STMICROELECTRONICS

74HC14A Hex Schmitt−Trigger Inverter High−Performance Silicon−Gate CMOS ONSEMI