The AD6312 is a VFD (Vacuum Fluorescent Display) controller/driver that is driven on a 1/4- to 1/11 duty factor (include key scan). It consists of 5
segment output lines, 6 segment/key scan output lines, 6 grid output lines, 5 segment/grid output drive lines, a display memory, a control circuit, and a key scan circuit. Serial data is input to the AD6312 through a four-line serial interface.
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4-pin serial interface Key scanning (6* 4 matrices) Programming display modes (11-segments & 11-digits to 16-segments & 6-digits) Programming dimming step High-voltage output (VDD-35V max). 4 channels LED ports. 4-pin General-purpose input port Built-in oscillator No external resistor necessary for driver outputs
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Logic Supply Voltage VDD -0.5 to +7.0 V
Driver Supply Voltage VEE VDD +0.5 to VDD -40 V
Logic Input Voltage VI1 -0.5 to VDD +0.5 V
VFD Driver Output Voltage VO2 VEE-0.5 to VDD +0.5 V
LED Driver Output Current IO1 +15 mA
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Required Field 
