Datasheet


  
   
SCLS568B − JANUARY 2004 − REVISED MAY 2004
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
FUNCTION TABLE
INPUTS
FUNCTION
SER SRCLK SRCLR RCLK OE
FUNCTION
X X X X H Outputs Q
A
−Q
H
are disabled.
X X X X L Outputs Q
A
−Q
H
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 ↓ H X X Shift-register state is not changed.
X XX↑ X Shift-register data is stored in the storage register.
X X X ↓ X Storage-register state is not changed.