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74hc4049PDF下载地址(大小:41.573KB)

74hc4049价格行情

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历史最低报价:¥0.5000 历史最高报价:¥3.0000 历史平均报价:¥1.3256

74hc4049中文资料

  • 模拟数字转换和键盘

    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系列芯片资料)小发一贴,呵...

    4-bit binary counter 4位二进制计数器74hc4016 quad analog switch 四路模拟量开关74hc4020 14-stage binary counter 14输出计数器74hc4017 decade counter/divider with 10 decoded outputs十进制计数器带10个译码输出端74hc4040 12 stage binary counter 12出计数器74hc4046 phase lock loop 相位监测输出器74hc4049 level down converter 电平变低器74hc4050 level down converter 电平变低器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阶bin计数74hc4066 quad analog mux 四通道多路器74h

74hc4049替代型号

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

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

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74hc4049相关热门型号
74LCX16244TTR 74LVC125ADB 74VHC125MTCX 74AHCT04D 74F374D 74HC1G00GW 74F14SCX 74LV74PW 74AHCT373PW 74VHC161284MTDX

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