b00351 HT1621B Segment LCD Driver Set of 5

Segment LCD driver [HT1621] Segment LCD driver chip, HT1621 made by Taiwan Holtek

Operating power supply: 2.4-5.2V

COMx4/SEGx32 compatible

4-Wire connection interface

Built-in 32x4-bit display RAM

Built-in RC oscillator 256KHz

Built-in buzzer driver (choose between two operating frequencies)

1/4 bias or 1/3 bias

1/2 duty or 1/3 duty

1/4 duty

Built-in reference frequency source

Built-in watchdog timer

data mode or command mode

Vlcd pin adjusts LCD operating power

Supported external oscillator: 32KHz/256KHz

Package: SSOP-48

0.635mm pitch