ZHCSQA2E December 1982 – March 2022 SN54HC4040 , SN74HC4040
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
VCC (V) | TA = 25°C | SN54HC4040 | SN74HC4040 | UNIT | ||||||
---|---|---|---|---|---|---|---|---|---|---|
MIN | MAX | MIN | MAX | MIN | MAX | |||||
fCLK | Clock frequency | 2 | 5.5 | 3.7 | 4.3 | MHz | ||||
4.5 | 28 | 19 | 22 | |||||||
6 | 33 | 22 | 25 | |||||||
tW | Pulse duration | CLK high or low | 2 | 90 | 135 | 115 | ns | |||
4.5 | 18 | 27 | 23 | |||||||
6 | 15 | 23 | 20 | |||||||
CLR high | 2 | 70 | 105 | 90 | ||||||
4.5 | 14 | 21 | 18 | |||||||
6 | 12 | 18 | 15 | |||||||
tsu | Setup time, CLR inactive before CLK↓ | 2 | 60 | 90 | 75 | ns | ||||
4.5 | 12 | 18 | 15 | |||||||
6 | 10 | 15 | 13 |