TOSHIBA Semiconductor TC4001BP(N) Current - Output High, Low: 3.4mA, 3.4mA Logic Type: NOR Gate Mounting Type: Through Hole Number Of Circuits: 4 Number Of Inputs: 2 Operating Temperature: -40?°C ~ 85?°C Package / Case: 14-DIP Series: 4000B Voltage - Supply: 3 V ~ 18 V Other Names: TC4001BP, TC4001BPN