ZHCSRA7K April 1998 – December 2022 SN74LV594A
PRODMIX
請參考 PDF 數據表獲取器件具體的封裝圖。
| INPUTS | FUNCTION | ||||
|---|---|---|---|---|---|
| SER | SRCLK | SRCLR | RCLK | RCLR | |
| X | X | L | X | X | Shift register is cleared. |
| L | ↑ | H | X | X | First stage of shift register goes low. Other stages store the data of previous stage, repectively. |
| H | ↑ | H | X | X | First stage of shift register goes high. Other stages store the data of previous stage, respectively. |
| L | ↓ | H | X | X | Shift register state is not changed. |
| X | X | X | X | L | Storage register is cleared. |
| X | X | X | ↑ | H | Shift register data is stored in the storage register. |
| X | X | X | ↓ | H | Storage register state is not changed. |