| Manufacturer | Part Number | Description |
|---|---|---|
R-E International
| SCL4046B | (SCL4046B / SCL4446B) Phased - Locked Loops |
R-E International
| SCL4446B | (SCL4046B / SCL4446B) Phased - Locked Loops |
| Solid State Scientific | SCL4046B | (SCL4046B / SCL4446B) CMOS Phase-Locked Loops |
| Solid State Scientific | SCL4446B | (SCL4046B / SCL4446B) CMOS Phase-Locked Loops |