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74hc4049PDF下載地址(大小:41.573KB)

74hc4049價格行情

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歷史最低報價:¥0.5000 歷史最高報價:¥3.0000 歷史平均報價:¥1.3256

74hc4049中文資料

  • 模擬數字轉換和鍵盤

    our digital i/o lines instead of eight. saving four of a 4-bit 礐's precious i/o lines couild be significant. the 4-bit 礐's adc provides the key to the savings. the 礐's output lines, f1 through f4, energize the keypad's column lines one at a time via 74hc4049 buffer/driver. if a user presses a key, the 礐's adc reads an analog voltage coresponding to the row of the pressed key. the resistors that the keypad's keys connect to the 礐's adc determine the voltage that the adc sees. table 1 lists these voltages

  • 【共享】(74、74HC、74LS系列芯片資料)小發(fā)一貼,呵...

    4-bit binary counter 4位二進制計數器74hc4016 quad analog switch 四路模擬量開關74hc4020 14-stage binary counter 14輸出計數器74hc4017 decade counter/divider with 10 decoded outputs十進制計數器帶10個譯碼輸出端74hc4040 12 stage binary counter 12出計數器74hc4046 phase lock loop 相位監(jiān)測輸出器74hc4049 level down converter 電平變低器74hc4050 level down converter 電平變低器74hc4051 8-ch analog mux 8通道多路器74hc4052 4-ch analog mux 4通道多路器74hc4053 2-ch analog mux 2通道多路器74hc4060 14-stage binary counter 14階bin計數74hc4066 quad analog mux 四通道多路器74h

74hc4049替代型號

74HC4046A 74HC4046 74HC4040 74HC4024 74HC4020 74HC4017 74HC4016 74HC40103 74HC4002 74HC393

74HC4050 74HC4051 74HC4051D 74HC4052 74HC4052D 74HC4053 74HC4059 74HC4060 74HC4066 74HC4067

相關搜索:
74hc4049相關熱門型號
74HC174D 74HC74A 74HCT4020D 74VHC14MTCX 74AHCT1G04GW 74AUP1G07GW 74HC02N 74LVC86AD 74LVC157AD 74HC541PW

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