ZHCSPX1C March 2003 – June 2022 SN54HC109 , SN74HC109
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
VCC | TA = 25°C | SN54HC109 | SN74HC109 | UNIT | ||||||
---|---|---|---|---|---|---|---|---|---|---|
MIN | MAX | MIN | MAX | MIN | MAX | |||||
fclock | Clock frequency | 2 V | 6 | 4.2 | 5 | MHz | ||||
4.5 V | 31 | 21 | 25 | |||||||
6 V | 36 | 25 | 29 | |||||||
tw | Pulse duration | PRE or CLR low | 2 V | 100 | 150 | 125 | ns | |||
4.5 V | 20 | 30 | 25 | |||||||
6 V | 17 | 25 | 21 | |||||||
CLK high or low | 2 V | 80 | 120 | 100 | ||||||
4.5 V | 16 | 24 | 20 | |||||||
6 V | 14 | 20 | 17 | |||||||
tsu | Setup time before CLK ↑ | Data (J, K) | 2 V | 100 | 150 | 125 | ns | |||
4.5 V | 20 | 30 | 25 | |||||||
6 V | 17 | 25 | 21 | |||||||
PRE or CLR inactive | 2 V | 25 | 40 | 30 | ||||||
4.5 V | 5 | 8 | 6 | |||||||
6 V | 4 | 7 | 5 | |||||||
th | Hold time | Data after CLK↑ | 2 V | 0 | 0 | 0 | ns | |||
4.5 V | 0 | 0 | 0 | |||||||
6 V | 0 | 0 | 0 |