HD46505 SP-1 CRT display controller by Hitachi. Package: 40-DIP Dual marked marked as : HD46505 SP-1 / HD68A45SP OK, retro gamers and PC restorers, here at last ! Download Hitachi earlier HD46505 datasheet: Status: NOS (New Old Stock) Tested components: YES RoHS compliant: no Dual marked marked as : HD68A45SP