{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*74ls373 datasheet (8-bit regis.*\",\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\" : \".*74ls373 datasheet (8-bit regis.*\",\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}
These 8-bit registers feature totem-pole TRI-STATE outputsdesigned specifically for driving
2010-04-13 08:15
74LS373是带三态缓冲输出的8D锁存器,常被应用在单片机系统中。分为54S373和74LS373两个线路,74LS373
2021-07-08 10:07
位选段选能否共用一个74ls373
2012-08-18 10:54
74ls373引脚图 8D锁存器74LS373
2008-03-16 09:12
74ls373英文资料。
2016-04-12 15:09
74ls373和74hc573都是八D锁存器(三态)。74ls373是TTL电路,电源电压是5V。74hc573是cmos电路,电源电压工作范围是2V ~ 6V。
2017-12-05 09:52
74ls373中文资料 管脚及功能介绍,管脚使用说明。
2016-05-17 14:29
利用74LS373设计的抢答器电路它由一片8D锁存器74LS373。8只组别按键开关S1-S8,8组别抢答有效的状态显示
2017-12-05 10:28
地址锁存器--74LS373 74LS373是带有三态门的八D锁存器,当使能信号线OE为低电平时,三态门处于导通状态,允许1Q-8Q输出到OUT1-OUT8,当OE端
2009-03-14 15:36
74LS373是一款常用的地址锁存器芯片,由八个并行的、带三态缓冲输出的D触发器构成。在单片机系统中为了扩展外部存储器,通常需要一块74LS373芯片。
2017-12-05 17:07