OPERATING MODE | OE# | CP | Dn | INTERNAL FLIP-FLOPS | Q0..Q7 |
---|---|---|---|---|---|
load and read register | L | up | l | L | L |
L | up | h | H | H | |
load registers and disable outputs | H | up | l | L | Z |
H | up | h | H | Z |
L
: low voltageH
: high voltageX
: don’t careZ
: High Impedancel
: Low Voltage one setup time prior to the H-L-transition of CPh
: High Voltage one setup time prior to the H-L-transition of CPup
: L-H-transition of CP