| HEC4093BDB | Quadruple 2-input NAND Schmitt trigger | Datasheet*) |
| HEC4093BT | Quadruple 2-input NAND Schmitt trigger | Datasheet*) |
| HEF4093BD | Quadruple 2-input NAND Schmitt trigger | Datasheet*) |
| HEF4093BDB | Quadruple 2-input NAND Schmitt trigger | Datasheet*) |
| HEF4093BP | Quadruple 2-input NAND Schmitt trigger | Datasheet*) |
| HEF4093BPB | Quadruple 2-input NAND Schmitt trigger | Datasheet*) |
| HEF4093BT | Quadruple 2-input NAND Schmitt trigger | Datasheet*) |
| HEF4093BU | Quadruple 2-input NAND Schmitt trigger | Datasheet*) |
| HEC4093B | Quadruple 2-input NAND Schmitt trigger | Datasheet*) |
| HEF4093BDF | Quadruple 2-input NAND Schmitt trigger | Datasheet*) |
| HEF4093BPN | Quadruple 2-input NAND Schmitt trigger | Datasheet*) |
| HEF4093BTD | Quadruple 2-input NAND Schmitt trigger | Datasheet*) |