155-0048-01
The 155-0048-01 is a trigger sweep IC made by Tektronix for applications below 1 MHz. It comes in a 16-pin minipac package. The 155-0055-00 is the same chip in a 16-pin DIP.
Data Sheet
- Tektronix 155-0048-01 Datasheet (PDF}
- Tektronix M052 155-0048-01 Description and Schematic (PDF)
- Tek-made Integrated Circuits Catalog p.5-21