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CD74HCT4020ER2489 商品描述
商品名称 CD74HCT4020ER2489
厂家品牌 Texas Instruments
商品资料 Datasheet
商品分类 逻辑 -计数器，除法器
商品描述 BINARY COUNTER, HCT SERIES, ASYN
现货库存 待更新
CD74HCT4020ER2489 规格参数
逻辑类型: SELECT COLUMN_NAME as bt,column_comment as nr FROM INFORMATION_SCHEMA.Columns WHERE table_name='golon_lj_jsq_cfq' AND table_schema='golon' and column_comment like '*%' 二进制计数器
方向: SELECT COLUMN_NAME as bt,column_comment as nr FROM INFORMATION_SCHEMA.Columns WHERE table_name='golon_lj_jsq_cfq' AND table_schema='golon' and column_comment like '*%' 上
元件数: SELECT COLUMN_NAME as bt,column_comment as nr FROM INFORMATION_SCHEMA.Columns WHERE table_name='golon_lj_jsq_cfq' AND table_schema='golon' and column_comment like '*%' 1
复位: SELECT COLUMN_NAME as bt,column_comment as nr FROM INFORMATION_SCHEMA.Columns WHERE table_name='golon_lj_jsq_cfq' AND table_schema='golon' and column_comment like '*%' 异步
定时: SELECT COLUMN_NAME as bt,column_comment as nr FROM INFORMATION_SCHEMA.Columns WHERE table_name='golon_lj_jsq_cfq' AND table_schema='golon' and column_comment like '*%' -
计数速率: SELECT COLUMN_NAME as bt,column_comment as nr FROM INFORMATION_SCHEMA.Columns WHERE table_name='golon_lj_jsq_cfq' AND table_schema='golon' and column_comment like '*%' 25 MHz
触发器类型: SELECT COLUMN_NAME as bt,column_comment as nr FROM INFORMATION_SCHEMA.Columns WHERE table_name='golon_lj_jsq_cfq' AND table_schema='golon' and column_comment like '*%' 负边沿
电压-电源(Vin): SELECT COLUMN_NAME as bt,column_comment as nr FROM INFORMATION_SCHEMA.Columns WHERE table_name='golon_lj_jsq_cfq' AND table_schema='golon' and column_comment like '*%' 4.5 V ~ 5.5 V

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