ZHCSQ28E December 1982 – February 2022 SN54HC174 , SN74HC174
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
VCC (V) | TA = 25°C | SN54HC174 | SN74HC174 | UNIT | ||||||
---|---|---|---|---|---|---|---|---|---|---|
MIN | MAX | MIN | MAX | MIN | MAX | |||||
fclock | Clock frequency | 2 | 6 | 4.2 | 5 | MHz | ||||
4.5 | 31 | 21 | 25 | |||||||
6 | 36 | 25 | 29 | |||||||
tw | Pulse duration | CLR low | 2 | 80 | 120 | 100 | ns | |||
4.5 | 16 | 24 | 20 | |||||||
6 | 14 | 20 | 17 | |||||||
CLK high or low | 2 | 80 | 120 | 100 | ||||||
4.5 | 16 | 24 | 20 | |||||||
6 | 14 | 20 | 17 | |||||||
tsu | Setup time before CLK↑ | Data | 2 | 100 | 150 | 125 | ns | |||
4.5 | 20 | 30 | 25 | |||||||
6 | 17 | 25 | 21 | |||||||
CLR inactive | 2 | 100 | 150 | 125 | ||||||
4.5 | 20 | 30 | 25 | |||||||
6 | 17 | 25 | 21 | |||||||
th | Hold time, data after CLK↑ | 2 | 0 | 0 | 0 | ns | ||||
4.5 | 0 | 0 | 0 | |||||||
6 | 0 | 0 | 0 |