the input signal is transferred to the counter. The unknown frequency of the input signal is the ratio of no of counts given by the counter to the sample time interval. The JK flip-flop holds the output of the counter, where the third input of the AND gate is ...
Asking pupils for a state diagram for this counter is fairly pointless, since it's got only the obvious ~100 internal states. On a ten by ten grid it's not so bad to draw out the Up/Down transitions, but the Load input jumps you to any state, from any state (depending on ...
74LS90is basically a MOD-10 decade counter that generate a BCD output code. It consists of four master-slave JK flip-flop, which are internally connected to provide MOD-2 (count to 2) counter and MOD-5 counter. 74LS90 also have an independent toggle JK flip-flop by CLKA and other t...
Fig. 1 Original state diagram 计数脉冲 CP 的 顺序 0 2 4 6 8 1 3 5 7 9 次态/ 激励信号 表2 2421 码同步十进制加计数器的状态表 Tab.2 State table of 2421 code synchronous decimal counter 现态 Q 3 n Q 2 n Q 1 n Q 0
功能描述PRESETTABLEBCD/DECADEUP/DOWNCOUNTERPRESETTABLE4-BITBINARYUP/DOWNCOUNTER Download7 Pages Scroll/Zoom 100% 制造商ONSEMI [ON Semiconductor] 网页http://www.onsemi.com 标志 类似零件编号 - SN74LS193N 制造商部件名数据表功能描述 Motorola, IncSN74LS193N ...
TECHNICAL DATAKK74HC192APresettable BCD/Decade UP/DOWN CounterHigh-Performance Silicon-Gate CMOSORDERING INFORMATIONKK74HC192AN PlasticKK74HC192AD SOICTA = -55° to 125° C for all packagesThe KK74HC192A is identical in pinout to the LS/ALS192. Thedevice
售货员;职员;旅馆接待员counter n. 柜台;计数器 ring up 给……打电话 turn around 转向;回转 awful adj. 极坏的;极讨厌的;可怕的; (口语)糟透的 affair n. 事务;事情;暖昧关系 armchair n. 扶手椅;单座沙发 declare vt. 宣布;声明;表明;宣称cuisine n. 烹饪(风味);菜肴 envy vt. 忌妒;羡慕 leave...
counter-, counterreaction, counterbalance ob-, oc-, of-, op-, object, oppose, occupy with-, withdraw, withstand 2. 表示空间位置,方向关系的前缀 1)a- 表示“在……之上”,“向……”:aboard, aside, 2)by- 表示“附近,邻近,边侧”:bypath, bypass(弯路) 3)circum-, circu-, 表示“周围,环绕...
6) Counterculturists 1) Liz sang perfectly in the town hall yesterday afternoon. 2) I saw your brother and his girlfriend walking arm in arm in the park the other day. 3) It began to blow quite hard before midnight. 4) They moved the piano into another room upstairs last evening. 5...
Bulk Copy Program - Sqlstate=37000, Native Error=4060 Login failed bundles/jquery Failed to load resource: the server responded with a status of 404 (Not Found) Button click event -execute clientside code as well as serverside code Button click event can be used in MVC? Button click is...