New Original Electronics IC Integrated Circuits HT1621B SSOP-48 22+

HT1621B SSOP-48 22+

Features

Operating voltage: 2.4V~5.2V

Built-in 256kHz RC oscillator

External 32.768kHz crystal or 256kHz frequency

source input

Selection of 1/2 or 1/3 bias, and selection of 1/2 or

1/3 or 1/4 duty LCD applications

Internal time base frequency sources

Two selectable buzzer frequencies (2kHz/4kHz)

Power down command reduces power consumption

Built-in time base generator and WDT

Time base or WDT overflow output

8 kinds of time base/WDT clock sources

324 LCD driver

Built-in 324 bit display RAM

3-wire serial interface

Internal LCD driving frequency source

Software configuration feature

Data mode and command mode instructions

R/W address auto increment

Three data accessing modes

VLCD pin for adjusting LCD operating voltage

HT1621: 48-pin SSOP package

HT1621B: 48-pin DIP/SSOP/LQFP package

HT1621D: 28-pin SKDIP package

HT1621G: Gold bumped chip

General Description

The HT1621 is a 128 pattern (324), memory mapping,

and multi-function LCD driver. The S/W configuration

feature of the HT1621 makes it suitable for multiple LCD

applications including LCD modules and display subsystems.

price: 0.3-0.6