SLLSFA0C July 2019 – May 2024 ISO7021
PRODUCTION DATA
Table 8-1 shows the functional modes for the device.
VCCI(1) | VCCO | INPUT (INx)(3) | OUTPUT (OUTx) | COMMENTS |
---|---|---|---|---|
PU | PU | H | H | Normal
Operation: A channel output assumes the logic state of the input. |
L | L | |||
X | Default | The channel output assumes the selected default option. | ||
PD | PU | X | Default | When VCCI is unpowered, a channel output assumes the logic state based on the selected default option. Default is High for the device without the F suffix and Low for device with the F suffix. When VCCI transitions from unpowered to powered-up, a channel output assumes the logic state of the input. When VCCI transitions from powered-up to unpowered, channel output assumes the selected default state. |
X | PD | X | Undetermined | When VCCO is
unpowered, a channel output is undetermined and tri-state(2). When VCCO transitions from unpowered to powered-up, a channel output assumes the selected default option. |