HT1635A Datasheet (Holtek) - 44 x 8 LED Driver

HT1635A, 44 x 8 LED Driver

The HT1635A/HT1635B is a memory mapping LED display controller/driver.

The maximum display capacity of the device is 352 patterns composed of 44 rows and 8 commons.

The device can generate 16 LED illumination levels using software controlled PWM circuitry.

A serial interface is provided to allow the

HT1635A Features

* Operating voltage: 2.4V~5.5V

* LED display

* 44 row and 8 Columns

* 88×4 bit RAM display data storage

* 16-level PWM brightness control

* Integrated 256kHz RC oscillator

* I2C-bus or 4-wire serial interface

* Data mode & comma