The HT16K23 with LCD Drivers SOP-28_300mil RoHS is a CMOS device manufactured by Holtek. This part is designed to provide an easy to use interface for controlling an LCD display. It contains 16 rows of registers, each holding 128 bytes of data, which are used to control and program the display. The driver also includes an LCD frame buffer, allowing the display to be updated without requiring any programming. Additionally, this device features a number of other features such as a reset input, I/O port enable/disable control, an 8-bit port data register, 4-bit port control register, interrupt functions, and programmable duty cycle. This part is designed for use in applications such as digital watches, home appliances, and barcode scanners.