General Description
Not recommended for new designs. Please use HV632 instead.
The HV622 is a 32-channel gray-shade column driver IC designed for driving electrofluorescent displays. Using Supertex’s unique HVCMOS® technology, it is capable of 256 levels of gray shading by PWM conversion.

Features
❏ HVCMOS® technology
❏ 5V CMOS inputs
❏ Up to 80V output voltage
❏ PWM gray shade conversion
❏ Capable of 256 levels of gray shading
❏ Balanced shift clock complies with RS-422
❏ 8MHz shift and count clock frequency
❏ 16MHz data throughput rate
❏ 8 bit data bus
❏ 32 outputs per device
❏ BLANK function