SLLSEP3G November 2016 – May 2024 ISO7720 , ISO7721
PRODUCTION DATA
Table 8-2 lists the functional modes for the ISO772x devices.
VCCI | VCCO | INPUT (INx)(3) | OUTPUT (OUTx) | COMMENTS |
---|---|---|---|---|
PU(1) | PU | H | H | Normal Operation: A channel output assumes the logic state of the input. |
L | L | |||
Open | Default | Default mode: When INx is open, the corresponding channel output goes to the default logic state. The default is High for ISO772x and Low for ISO772x with F suffix. | ||
PD | PU | X | Default | Default mode: When VCCI is unpowered, a channel output assumes the logic state based on the selected default option. The default is High for ISO772x and Low for ISO772x with 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(2). When VCCO transitions from unpowered to powered-up, a channel output assumes the logic state of the input |