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