Glossary
© National Instruments Corporation G-5 6527 User Manual
TTTL transistor-transistor logic, or 5 V digital voltage levels originally used with
transistor-transistor logic
typ typical
VV volts
Vcc 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
VIH volts, input high
VIL volts, input low
VIN input voltage
VOH volts, output high
VOL volts, output low
WWwatts