ZHCSVZ9H June 1998 – April 2024 SN74AHC594
PRODMIX
请参考 PDF 数据表获取器件具体的封装图。
TA = 25°C | SN54AHC594(2) | SN74AHC594 | UNIT | ||||||
---|---|---|---|---|---|---|---|---|---|
MIN | MAX | MIN | MAX | MIN | MAX | ||||
tw | Pulse Duration | RCLK or SRCLK high or low | 5 | 5 | 5 | ns | |||
RCLR or SRCLR low | 5.2 | 5.2 | 5.2 | ||||||
tsu | Setup time | SER before SRCLK↑ | 3 | 3 | 3 | ns | |||
SRCLK↑ before RCLK↑(1) | 5 | 5 | 5 | ||||||
SRCLR low before SRCLK↑ | 5 | 5 | 5 | ||||||
SRCLR high (inactive) before SRCLK↑ | 2.9 | 3.3 | 3.3 | ||||||
RCLR high (inactive) before RCLK↑ | 3.2 | 3.7 | 3.7 | ||||||
th | Hold time, data after CLK↑ | SER after SRCLK↑ | 2 | 2 | 2 | ns |