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HT1635B Datasheet 44 X 8 Led Driver

Manufacturer: Holtek Semiconductor

Overview: HT1635A/HT1635B 44×8 LED Driver.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

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

The maximum display capacity of the device is 352 patterns posed of 44 rows and 8 mons.

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

Key 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 & command mode instructions.
  • Cascade function for extend.

HT1635B Distributor