Datasheet

 
  
  
SCLS040F − DECEMBER 1982 − REVISED OCTOBER 2003
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
FUNCTION TABLE
INPUTS
FUNCTION
SER SRCLK SRCLR RCLK RCLR
FUNCTION
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, respectively.
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 XX↑ H Shift register data is stored in the storage register.
X X X ↓ H Storage register state is not changed.