ZHCSIL3A August 2018 – January 2019 SN74AXCH8T245
PRODUCTION DATA.
All control inputs are referenced to VCCA and must be driven to a valid Logic High or Logic Low (that is, not floating) to assure proper device operation and to prevent excessive power consumption. Table 1 summarizes the possible modes of device operation based on the configuration of the control inputs.
| CONTROL INPUTS | Signal Direction | |||
|---|---|---|---|---|
| OE | DIR1 | DIR2 | Bits 1:4 | Bits 5:8 |
| H | X | X | Disabled (Hi-Z) | |
| L | L | L | B to A | |
| L | L | H | B to A | A to B |
| L | H | L | A to B | |
| L | H | H | A to B | B to A |