DS8881

DS8881 Vacuum Fluorescent Display Driver May 1988 DS8881 Vacuum Fluorescent Display Driver General Description The DS8881 vacuum fluorescent display driver will drive 16-digit grids of a vacuum fluorescent display The decode inputs select one of the sixteen outputs to be pulled high The device contains an oscillator for supplying clock signals to the MOS circuit the filament bias zener and 50 kX pulldown resistors for each grid Outputs will source up to 7 mA The DS8881 is designed for 9V operation If the enable input is pulled low all outputs are disabled Features Y Oscillator frequency accuracy and stability allows maximum system speed Y Interdigit blanking with the enable input provides ghostfree display operation Y 50 kX pull-down resistors for each grid Y 7V filament bias zener Connection Diagram Top View Order Number DS8881N See NS Package Number N28B Truth Table All outputs now shown high are off (low) Inputs EN D C B A 0 1 2 3 4 5 H LLLLH H LLLH H H LLHL H L LHH H LHLL H H H H LHLH H LHHL H LHHH H H HLLL H HLLH H HLHL H HLHH H HHL L H HHLH H HHHL H HHHH L XXXXLLLLLL Digit Outputs 6 7 8 9 10 H H H H H LLLL L C1995 National Semiconductor Corporation TL F 5846 TL F 5846 – 1 11 12 13 14 15 H H H H H LLLLL RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note 1) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage (VSS – VB...