ZHCSQ31E December 1982 – February 2022 SN54HC166 , SN74HC166
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
VCC(V) | TA = 25°C | SN54HC166 | SN74HC166 | 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 | 100 | 150 | 125 | ns | |||
4.5 | 20 | 30 | 25 | |||||||
6 | 17 | 26 | 21 | |||||||
CLK high or low | 2 | 80 | 120 | 100 | ||||||
4.5 | 16 | 24 | 20 | |||||||
6 | 14 | 20 | 17 | |||||||
tsu | Setup time | SH/LD high before CLK↑ | 2 | 145 | 220 | 180 | ns | |||
4.5 | 29 | 44 | 36 | |||||||
6 | 25 | 38 | 31 | |||||||
SER before CLK↑ | 2 | 80 | 120 | 100 | ||||||
4.5 | 16 | 24 | 20 | |||||||
6 | 14 | 20 | 17 | |||||||
CLK INH low before CLK↑ | 2 | 100 | 150 | 125 | ||||||
4.5 | 20 | 30 | 25 | |||||||
6 | 17 | 26 | 21 | |||||||
Data before CLK↑ | 2 | 80 | 120 | 100 | ||||||
4.5 | 16 | 24 | 20 | |||||||
6 | 14 | 20 | 17 | |||||||
CLR inactive before CLK↑ | 2 | 40 | 60 | 50 | ||||||
4.5 | 8 | 12 | 10 | |||||||
6 | 7 | 10 | 9 | |||||||
th | Hold time | SH/LD high after CLK↑ | 2 | 0 | 0 | 0 | ns | |||
4.5 | 0 | 0 | 0 | |||||||
6 | 0 | 0 | 0 | |||||||
SER after CLK↑ | 2 | 5 | 5 | 5 | ||||||
4.5 | 5 | 5 | 5 | |||||||
6 | 5 | 5 | 5 | |||||||
CLK INH high after CLK↑ | 2 | 0 | 0 | 0 | ||||||
4.5 | 0 | 0 | 0 | |||||||
6 | 0 | 0 | 0 | |||||||
Data after CLK↑ | 2 | 5 | 5 | 5 | ||||||
4.5 | 5 | 5 | 5 | |||||||
6 | 5 | 5 | 5 |