CS1089 Overview
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.
CS1089 Key Features
- 6 @ 20 mA
- 23 @ 2 mA
- Rev. 9
- AN29 Outputs IOL IOH VOL VOH Sink Current Source Current IOUT = 400 µA IOUT = -20 mA 400 20
- 0.5 VBB µA mA V V Sink Current Source Current IOUT = 1.0 mA IOUT = -50 mA, VBB = 12 V 1.0 50
- 0.5 VBB mA mA V V VIN = 3.325 V
- 30 1.6
- 60 V V µA VIN = VIH
- 7.5 1.6
- 20.0 V V µA