BUY CD4070BE https://www.utsource.net/itm/p/107042.html
IC GATE XOR 4CH 2-INP 14DIP
Description: The CD4070BE is a Quad Exclusive-OR Gate from Texas Instruments. Features: - Low power consumption - High noise immunity - Low input current - High speed operation - Outputs source/sink current Applications: - Data transmission - Digital logic circuits - Signal conditioning - Data processing - Encryption/decryption (For reference only)