Before revision: CD4504B, 6-bit dual-supply of TTL or CMOS logic translated to 5V/10V/12-18V CMOS logic, available as DIP or SMD.
After revision: CD4504B, 6-bit dual-supply of 5V TTL or 5V-18V CMOS logic translated to 5V-18V CMOS logic, available as DIP or SMD.