The 74×01 (ex 74LS01) is a basic logic chip with four open-collector NAND gates. When you’ve got an open collector

2.0 A Minimum Peak Output Current 15 kV/µs Minimum Common Mode Rejection (CMR) at VCM = 1500 V 0.5 V Maximum Low-Level Output Voltage (VOL) Eliminates the Need for a Negative Gate Drive ICC = 5 mA Maximum Supply Current Under Voltage Lock-Out Protection (UVLO) with Hysteresis Wide Operating VCC Range: 15 to 30 Volts 500 ns Maximum Switching Speeds Industrial Temperature Range : -40°C to 100°C