逻辑探针电路图,Logic Probe
逻辑探针电路图,logic probe
this circuit is a logic probe. it indicates the logic state of the node of any ttl logic circuit. to do that, we have to supply the probe with the same power of the circuit that we want to analyse: same vcc and same gnd. to check the logic level, we must connect the test wire of the probe to the desired node of the circuit that we want to check.
if the level is low, the probe will display a zero (0) and only the green led will be lighted. if the level is high, the probe will display a one (1) and only the red led will be lighted. if the level is impedance, the probe will display a nothing and no led will be lighted. the logic level is low when the test wire is connected to the ground of the circuit (the voltage is between 0v and 2v). the logic level is impedance when the test wire is unconnected (it has no voltage or the voltage is between 2v and 3v). the logic level is high when the test wire is connected to the positive supply of the circuit (the voltage is between 3v and 5v).
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this circuit is a logic probe. it indicates the logic state of the node of any ttl logic circuit. to do that, we have to supply the probe with the same power of the circuit that we want to analyse: same vcc and same gnd. to check the logic level, we must connect the test wire of the probe to the desired node of the circuit that we want to check.
if the level is low, the probe will display a zero (0) and only the green led will be lighted. if the level is high, the probe will display a one (1) and only the red led will be lighted. if the level is impedance, the probe will display a nothing and no led will be lighted. the logic level is low when the test wire is connected to the ground of the circuit (the voltage is between 0v and 2v). the logic level is impedance when the test wire is unconnected (it has no voltage or the voltage is between 2v and 3v). the logic level is high when the test wire is connected to the positive supply of the circuit (the voltage is between 3v and 5v).
联发科因工艺产能限制或无缘5nm工艺，难以冲击高端手机芯片市场
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逻辑探针电路图,Logic Probe
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台积电：下半年业务需求更强劲 7nm +晶圆收入贡献值超25％
OCF目标：一统未来碎片化、多标准物联网江山
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中国将在2060年实现电动汽车碳中和的目标
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