Input Leakage Current.

Noise Immunity.

TEST CIRCUITS

Quiescent Device Current.

Driving Low-voltage Fluorescent Displays. Driving Incandescent Displays.

Data Propagation Delay.

A medium-brightness intensity display can be obtained with low-

voltage fluorescent displays such as the Tung-Sot Digivac S/G

series.

2 of 7 Segments Shown Connected

Resistors R from VDD VDD to each 7-segment driver output

are choosen to keep all Numitron segments slightly on and

warm.

TYPICAL APPLICATIONS (continued)

HCC/HFC4511B

10/16