ZHCSQ70F September 1997 – March 2022 CD54HC393 , CD54HCT393 , CD74HC393 , CD74HCT393
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
HC393 和 HCT393 是 4 级纹波进位二进制计数器。所有计数器级均为初级触发器。时钟脉冲每出现一次负转换,级的状态计数加一;MR 线上出现高电压电平会将所有计数器重置为零状态。所有输入和输出均采用缓冲机制。
器件型号 | 封装(1) | 封装尺寸(标称值) |
---|---|---|
CD74HC393M | SOIC (14) | 8.65mm × 3.90mm |
CD74HC393E | PDIP (14) | 19.31mm × 6.35mm |
CD74HCT393M | SOIC (14) | 8.65mm × 3.90mm |
CD74HCT393E | PDIP (14) | 19.31mm × 6.35mm |
CD54HC393F3A | CDIP (14) | 19.55mm × 6.71mm |
CD54HCT393F | CDIP (14) | 19.55mm × 6.71mm |