Function of the card:
CTRL-SS Timing Card #4
CTRL SS Timing Card #4
Single Shot Timing Card 4
Ctrl-ss timing card #4
Complemented Transistor Resistor Logic (CTRL) is IBM's term for a form of resistor-transistor logic.
Part number: 371624
Used in: IBM 1410, IBM 1414 I/O Synchronizer, 7030
Cap code: None (details)
Symbol: SS
SS: Single Shot. Provides a monostable output which can be pulsed into its quasi-stable state for a predetermined duration. with each input triggering pulse or triggering voltage change. Once triggered, the output pulse duration becomes independent of input time duration or amplitude.
National Museum of Computing.
1410_SMS_VOL_2.pdf, p97
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.