These devices contain four independent 2-input NAND gates. The open-collector outputs require pull-up resistors to perform correctly. They may be connected to other open-collector outputs to implement active-low wired-OR or active-high wired-AND functions. Open-collector devices are often used to generate higher VOH levels. The 74LS01 is characterized for operation from 0°C to 70°C.
Datasheet Available:Texas Instruments 74LS01
SOIC 14 package. Manufactured by Texas Instruments.