The 74F182 is a high-speed carry lookahead generator. It is  generally  used  with  the  74F181  or  74F381  4-bit  arithmetic  logic  units  to  provide  high-speed  lookahead  over word lengths of more than four bits

Features :-

• Provides lookahead carries across a group of four ALUs  
• Multi-level  lookahead  high-speed  arithmetic  operation over long word lengths

Specifications :-

• Supply voltage : +4.5V - +5.5V
• High–level input voltage : 2.0V
• Low–level input voltage : 0.8V
• Input Clamp Diode Voltage : -1.2V
• Input High Current : 5.0μA
• Output Low Voltage : 0.5V
• Input High Current Breakdown Test : 7.0μA
• Output High Leakage Current : 50μA
• Output Leakage Circuit Current : 3.75μA
• Output Short-Circuit Current : −60  −150mA

Package Includes :-

1 X 74F182 Carry Lookahead Generator IC (74182) DIP-16 Package