74182, 40182 Look-ahead carry generator Capable of anticipating a carry across four binary adders or group of adders. Cascadable to perform full look-ahead across n-bit adders. +----------+ /G1 |1 +--+ 16| VCC /P1 |2 15| /P2 /G0 |3 14| /G2 /P0 |4 74 13| Cn /G3 |5 182 12| Cn+X /P3 |6 11| Cn+Y /P |7 10| /G GND |8 9| Cn+Z +----------+ [This information is part of the GIICM]