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CS1089 Vacuum Fluorescent Display Tube Driver
The VFD Driver is a microprocessor interface IC that drives a multiplexed VF (Vacuum Fluorescent) display tube. It consists of a 32–bit shift register, a 32–bit transparent data latch, a metal mask ROM, six 20 mA anode output drivers, twenty–three 2 mA anode output drivers, and three 50 mA grid drivers with output enables. Features Power On Reset Display Dimming Possible Three, 50 mA Grid Drivers Anodes: – 6 @ 20 mA – 23 @ 2 mA
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