ZHCSWU0G August 1995 – July 2024 SN54AC74 , SN74AC74
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
PARAMETER | FROM (INPUT) | TO (OUTPUT) | TA = 25°C | SN54AC74 | SN74AC74 | UNIT | ||||
---|---|---|---|---|---|---|---|---|---|---|
MIN | TYP | MAX | MIN | MAX | MIN | MAX | ||||
fmax | 140 | 160 | 95 | 125 | MHz | |||||
tPLH | PRE or CLR | Q or Q | 2.5 | 6 | 9 | 1 | 9.5 | 2 | 10 | ns |
tPHL | 3 | 8 | 9.5 | 1 | 10.5 | 2.5 | 10.5 | |||
tPLH | CLK | Q or Q | 3.5 | 6 | 10 | 1 | 12 | 3 | 10.5 | ns |
tPHL | 2.5 | 6 | 10 | 1 | 10 | 2.5 | 10.5 |