National Instruments DAQ 6527 - Manual (Page 44)

Glossary
© National Instruments Corporation G-5 6527 User Manual
T
TTL transistor-transistor logic, or 5 V digital voltage levels originally used with
transistor-transistor logic
typ typical
V
V volts
V
cc
supply voltage; for example, the voltage a computer supplies to its plug-in
devices
VDC volts direct current
VI virtual instrument—a combination of hardware and/or software elements,
typically used with a PC, that has the functionality of a classic standalone
instrument
V
IH
volts, input high
V
IL
volts, input low
V
IN input voltage
V
OH
volts, output high
V
OL
volts, output low
W
W watts