NXP HEF4070BT 异或门, HEF4000系列, 4门, 2输入, 2.4 mA, 4.5V至15.5V, SOIC-14
The is a quad 2-input Exclusive-OR Gate, the outputs are fully buffered for the highest noise immunity and pattern insensitivity to output impedance. It operates over a recommended VDD power supply range of 3 to 15V referenced to VSS usually ground. Unused inputs must be connected to VDD, VSS or another input.