{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*SN54ABT16501,SN74ABT16501,pdf(.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1"}],"type":"search_phase_execution_exception","reason":"all shards failed","phase":"query","grouped":true,"failed_shards":[{"shard":0,"index":"recommend_keyword_search_v1","node":"-Gn7X2aRSFmN2hMyaNEUCA","reason":{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*SN54ABT16501,SN74ABT16501,pdf(.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1","caused_by":{"type":"illegal_argument_exception","reason":"expected ')' at position 34"}}}]},"status":400}
SN74HC244和SN74LV244在选型比较中有提到其Data rate分别为56Mbps和220Mbps。 1:(重点)是通过在Datasheet中Switching
2024-12-04 08:31
求教,HD74LS74与SN74LS74的区别是啥?
2017-10-10 20:27
哪位高手指导下SN74LBC174外围电路怎么设计的?
2013-06-19 15:28
有比SN74LVCU04A更快速的反相器吗?
2018-11-12 09:38
之前采用HD74LS48P,驱动数码管工作正常,更换为我们的SN74LS48N后就不工作了,在输入端都是低电平的时候,输出a~g也都低电平,帮忙分析一下什么原因造成的,感谢
2016-05-28 10:32
SN74AHCT245PWR的输出只能是高电平或者低电平吗,手册中写的大于2V识别为高电平输入,小于0.8V识别为低电平输入,请问下如果是0.8V~2V输入,输出是什么,是高阻态吗,SN74AHCT245PWR什么情况下输出高阻态
2024-08-08 07:39
请问sn74lvc4245a有没有锁存功能
2014-07-14 18:38
不太懂这个sn74ls14d为啥要画成这个样子,跟网上搜到的不一样,我想生成pcb的时候是不是还要在原理图上把这个器件换成14引脚封装的图??
2019-05-20 12:50
带SN切换(4G和5G同时切换)带SN切换(4G切换,5G不变)SN Change流程(4G不变、5G变更)
2021-03-01 10:50
最近在电路中使用了一款SN74ABT162501的总线收发器,焊接到电路板上之后发现片子特别烫,电路的电流比没焊这个芯片时也增大了0.3A左右,焊这个芯片之前,在电路板中也焊接了6个同样的芯片,但
2015-09-11 17:14