Pin Overview PIN NAME PIN # TYPE DESCRIPTION VDD 14 Power Supply Voltage ( 3 to 15V) GND 7 Power Ground (0V) A1 to A3 1, 3, 13 Input Inputs A of the three OR gates B1 to B3 2, 4, 12 Input Inputs B of the three OR gates C1 to C3 5, 8, 11 Input Inputs C of the three OR gates Q1 to Q3 6, 9, 10 Output Outputs from the three OR gates What is a 3-input OR gate? A 3-input OR gate works just like a normal OR gate. Its output becomes HIGH if any of the inputs are HIGH. Otherwise, its output is LOW. Check the truth table below to see the result for any combination of inputs. 3-input OR gate symbol INPUT A INPUT B INPUT C OUTPUT Q 0 0 0 0 0 0 1 1 0 1 0 1 0 1 1 1 1 0 0 1 1 0 1 1 1 1 0 1 1 1 1 1 Truth Table for the 3-input OR gate Technical Specifications Product Attribute Attribute Value Product Category: Logic Gates Product: Single-Function Gate Logic Function: OR Number of Gates: 3 Gate Number of Input Lines: 9 Input Number of Output Lines: 3 Output High Level Output Current: – 6.8 mA Low Level Output Current: 6.8 mA Propagation Delay Time: 60 ns Supply Voltage – Max: 18 V Supply Voltage – Min: 3 V Minimum Operating Temperature: – 55 C Maximum Operating Temperature: 125 C Mounting Style: Through Hole Package/Case: PDIP-14 Packaging: Tube Function: Triple 3-Input. Input Type: CMOS Logic Type: 3-Input OR Number of Bits: 3 bit Operating Supply Current: 15 uA Operating Supply Voltage: 10 V Operating Temperature Range: – 55 C to 125 C Output Type: CMOS Product Type: Logic Gates Quiescent Current: 20 nA Category: 40 & 45 ICs
