Part Number:SN74ALVCH374
Dear supporters,
1. What is SN74ALVCH374 CLK voltage level? 3.3V or else?
2. Could you help to explain principle about "internal flip-flop"?
I can't find how to work in spec.
Thanks.
Amy Luo:
您好,
Roy Hsieh 说:1. What is SN74ALVCH374 CLK voltage level? 3.3V or else?
与供电电压有关,如下截图定义:
Roy Hsieh 说:2. Could you help to explain principle about "internal flip-flop"?
今天来不及了,下周我将具体看下这个问题,若对您造成不便很抱歉
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Roy Hsieh:
Sorry,
Is there any uodate information, thanks.
,
Amy Luo:
很抱歉现在才回复您的问题。
SN74ALVCH374是D型触发器,OE是其使能管脚,CLK是其输入时钟,D是其数据输入,Q是其数据输出;使能管脚OE低电平有效,高电平时输出Q为高组态;OE低电平时,当有CLK上升沿时,输出数据Q=D,在CLK的其他状态,输出数据Q保持不变。
如果您需要SN74ALVCH374的具体内部电路,很抱歉这部分信息TI不公开。
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Roy Hsieh:
We set CLK voltage level 3.3V. Is it correct?
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Amy Luo:
推荐的输入电压最大到VCC,如果CLK高电平是3.3V的话,建议使用VCC=3.3V的供电电压: