HT16515 - 1/4 to 1/12 Duty VFD Controller
HT16515 is a VFD (Vacuum Fluorescent Display) controller/driver that is driven on a 1/4 to 1/12 duty factor.
It consists of 16 segment output lines, 4 grid output lines, 8 segment/grid output drive lines, 4 LED output ports, a control circuit, a display memory, and a key scan circuit.
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HT16515 Features
* Logic voltage: 5V
* High-voltage output: VDD-35V max.
* Multiple display
* 4 LED output ports (20mA max.)
* No external resistors necessary for driver output (16-segment & 12-digit to 24-segment & 4-digit)
* 16ยด2 matrix key scanning
* 8 steps dimmer circuit (provides
