Function of the card:
CTDL - Drivers, Power - Latch - Non Latch
Complemented Transistor Diode Logic (CTDL) is IBM's term for a form of diode-transistor logic.
Part number: 371496
Used in: 7030
Cap code: None (details)
Symbol: DP
DP: Driver, Power. A power driver used to drive Into multiple bases.
The information on these pages comes from a variety of sources, especially old IBM documents on bitsavers.org, as well as information from the IBM 1401 restoration team, especially Tim Coslet's SMS data and Jim Hunt's data. Much of this information was obtained through OCR, so don't expect complete accuracy. These pages are not associated with IBM in any way.