ZHCSWW3E November 1998 – August 2024 CD54AC74 , CD74AC74
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
−55°C to 125°C | −40°C to 85°C | UNIT | |||||
---|---|---|---|---|---|---|---|
MIN | MAX | MIN | MAX | ||||
fclock | Clock frequency | 9 | 10 | MHz | |||
tw | Pulse duration | PRE or CLR low | 50 | 44 | ns | ||
CLK | 56 | 49 | |||||
tsu | Setup time | Data | 44 | 39 | ns | ||
PRE or CLR inactive | ns | ||||||
th | Hold time | Data after CLK↑ | 0 | 0 | ns | ||
trec | Recovery time, before CLK↑ | CLR↑ or PRE↑ | 34 | 30 | ns |