8-Bit Cascadable Full Adder with Carry-In, Carry-Out, and Overflow

ADD8 adds two words (A7 – A0 and B7 – B0) and a carry-in (CI), producing a sum output (S7 – S0) and carry-out (CO) or overflow (OFL).

Parameters

Parameter Description Units Default
DELAY Propagation delay. s DGTDELAY
IN_MODE Inputs mode.   IN
OUT_MODE Outputs mode.   OUT
IOMODEL The name of an I/O model, which describes the device’s loading and driving characteristics.   DGTDEFIOMODEL
POWER_NODE Digital power node name. Is the node used by the interface subcircuits which connect analog nodes to digital nodes.   $G_DPWR
GROUND_NODE Digital ground node name. Is the node used by the interface subcircuits which connect analog nodes to digital nodes.   $G_DGND