T
TTL
V
V
VDC
VI
V
IH
V
IL
V
in
V
OH
V
OL
National Instruments Corporation
transistor-transistor logic
volts
volts direct current
virtual instrument
volts, input high
volts, input low
volts in
volts, output high
volts, output low
G-5
Glossary
PC-LPM-16/PnP User Manual