ZHCSVI9N May 1996 – July 2024 SN74AHC595
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
INPUTS | FUNCTION | ||||
---|---|---|---|---|---|
SER | SRCLK | SRCLR | RCLK | OE | |
X | X | X | X | H | Outputs QA−QH are disabled. |
X | X | X | X | L | Outputs QA−QH are enabled. |
X | X | L | X | X | Shift register is cleared. |
L | ↑ | H | X | X | First stage of the shift register goes low. Other stages store the data of previous stage, respectively. |
H | ↑ | H | X | X | First stage of the shift register goes high. Other stages store the data of previous stage, respectively. |
X | X | X | ↑ | X | Shift-register data is stored into the storage register. |