4070 Quad XOR Gate DIP-14

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CD4070 – An IC with Four XOR Gates The CD4070 is a CMOS chip with four XOR gates. Because each gate has two inputs and it has four gates inside, it’s usually called a Quad 2-Input XOR Gate . XOR means exclusive OR , and will only give a HIGH output if one of the inputs is HIGH and the other is LOW. Or to say it in another way: The output from an XOR gate will be HIGH only if the inputs are not equal. Pin Overview Pin Name Pin # Type Description VDD 14 Power Supply Voltage (+3 to +15V) GND 7 Power Ground (0V) A1 to A4 1, 5, 8, 12 Input Inputs A of the four XOR gates B1 to B4 2, 6, 9, 13 Input Inputs B of the four XOR gates Q1 to Q4 3, 4, 10, 11 Output Outputs from the four XOR gates Pin overview for the 4070 IC What is an XOR gate? XOR gate symbol The XOR gate outputs HIGH if its two inputs are not equal. So if one of the inputs (both not both!) is HIGH, the output will be HIGH. It’s one of the basic logic gates. Input A Input B Output Y 0 0 0 0 1 1 1 0 1 1 1 0 XOR Gate Truth Table How To Use the CD4070? Like with all ICs in the 4000 series, you need a power supply voltage of 3 to 15V. Some versions of the chip support up to 20V. Check the datasheet of your version of the chip for exact values. To be able to use any of the XOR gates in the chip, you need to first connect the VDD pin to the positive supply terminal and the GND pin to the negative supply terminal. The A and B pins are the inputs to the four XOR gates in the IC. The Q pins are the outputs from the XOR gates. Technical Specifications Physical Case/Package PDIP Contact Plating Gold Mount Through Hole Number of Pins 14 Technical Ambient Temperature Range High 125 °C High Level Output Current -4.2 mA Input Capacitance 5 pF Logic Function XOR Low Level Output Current 4.2 mA Max Junction Temperature (Tj) 150 °C Max Operating Temperature 125 °C Max Output Current 6.8 mA Max Supply Voltage 18 V Min Operating Temperature -55 °C Min Supply Voltage 3 V Number of Bits 4 Number of Channels 4 Number of Circuits 4 Number of Elements 4 Number of Gates 4 Number of Input Lines 2 Number of Inputs 2 Number of Output Lines 1 Number of Outputs 1 Output Current 6.8 mA Propagation Delay 100 ns Quiescent Current 5 µA Schmitt Trigger Input No Termination Through Hole Turn-On Delay Time 100 ns 4070 Datasheet