| Manufacturer | Part Number | Description |
|---|---|---|
R-E International
| SCL4070B | (SCL4030B / SCL4070B) Quad Exclusive OR Gate |
| Solid State Scientific | SCL4070B | CMOS Quad Exclusive OR Gate |
R-E International
| SCL4030B | (SCL4030B / SCL4070B) Quad Exclusive OR Gate |