| OPERATING MODE | OE# | LE | Dn | INTERNAL LATCHES | Q0..Q7 |
|---|---|---|---|---|---|
| enable and read register (transparent mode) | L | H | L | L | L |
| L | H | H | H | H | |
| latch and read register | L | L | l | L | L |
| L | L | h | H | H | |
| latch register and disable outputs | H | L | l | L | Z |
| H | L | 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 CP