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器件名 功能描述 生产厂商 查看
74HCT245D Octal bus transceiver; 3-state PHILIPS
74HCT245DB Octal bus transceiver; 3-state PHILIPS
74HCT245N Octal bus transceiver; 3-state PHILIPS
74HCT245PW Octal bus transceiver; 3-state PHILIPS
74HCT251 8-input multiplexer; 3-state PHILIPS
74HCT251D 8-input multiplexer; 3-state PHILIPS
74HCT251DB 8-input multiplexer; 3-state PHILIPS
74HCT251N 8-input multiplexer; 3-state PHILIPS
74HCT251PW 8-input multiplexer; 3-state PHILIPS
74HCT253 Dual 4-input multiplexer; 3-state PHILIPS
74HCT253D Dual 4-input multiplexer; 3-state PHILIPS
74HCT253DB Dual 4-input multiplexer; 3-state PHILIPS
74HCT253N Dual 4-input multiplexer; 3-state PHILIPS
74HCT253PW Dual 4-input multiplexer; 3-state PHILIPS
74HCT257D Quad 2-input multiplexer 3-state PHILIPS
74HCT257DB Quad 2-input multiplexer 3-state PHILIPS
74HCT257N Quad 2-input multiplexer 3-state PHILIPS
74HCT257PW Quad 2-input multiplexer 3-state PHILIPS
74HCT258 Quad 2-input multiplexer; 3-state; inverting PHILIPS
74HCT258D Quad 2-input multiplexer; 3-state; inverting PHILIPS
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