10 pcs of 74LS00 SN74LS00N 7400 Quad 2-Input NAND Gate IC / Integrated Circuit Product Category: Gates (AND / NAND / OR / NOR) , Logic Family: LS , Logic Type: Bipolar High Level Output Current: - 0.4 mA , Low Level Output Current: 8 mA, Propagation Delay Time: 15 ns @ 5 V Supply Voltage (Max): 5.25 V , Supply Voltage (Min): 4.75 V Maximum Operating Temperature: + 70 C , Minimum Operating Temperature: 0 C , Operating Supply Voltage: 5 V Package / Case: PDIP-14 , RoHS: Yes , Number of Circuits: Quad, Number of Output Lines: 1 , Number of Lines (Input / Output): 2-IN / 1