This page describes the IBM SMS card "NGTF", and is part of the SMS card database.

Function of the card:
CTDL-Integrator – U and – T
Ctdl integrator -u and -t

Complemented Transistor Diode Logic (CTDL) is IBM's term for a form of diode-transistor logic.

Part number:371635

Field replacement part number:371635

Customer Eng reference number:729886

Used in:IBM 1401

NGTF NGTF

References:
2_2 SMS Cards, p47.
This page created by Ken Shirriff, 2015.

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. Images courtesy of Randall Neff. Much of this information was obtained through OCR, so don't expect complete accuracy. These pages are not associated with IBM in any way.

Creation time: Tue Mar 03 23:40:34 2015.