74LS20 - Dual 4-input NAND Gate DIPFeaturesTwo Independent NAND Gates Standard Pin Configuration Fast Switching Times Operating Temperature up to 70oC Standard TTL Switching VoltagesVCC Supply Voltage 4.75 - 5VVIH HIGH-Level Input Voltage 2 VVIL LOW-Level Input Voltage 0.8 VIOH HIGH-Level Output Cur..
CD4011 - Quad 2-Input NAND Gate DIPFeaturesLow power TTL:Operating Range (VDD) 3 VDC to 15 VDCOperating Temperature Range −40°C to +85°COutput Current 8.8mA MaxPower Dissipation (PD) -500 mWPackage type 14 Pin DIP
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CD4012 - Dual 4-Input NAND
Gate DIPFeaturesLow
power TTL:Operating
Range (VDD) 3 VDC to 15 VDCOperating
Temperature Range −40°C to +85°COutput
Current 2.5mAPower
Dissipation (PD) -500 mWPackage
type 14 Pin DIP..