HT1635B driver equivalent, 44 x 8 led driver.
* 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
* Inte.
* Selectable NMOS open drain output driver and
PMOS open drain output driver for COM lines
* 64-pin LQFP packa.
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