Product Summary

The HT1621B is a 128 pattern (32*4), memory mapping, and multi-function LCD driver. The S/W configuration feature of the device makes it suitable formultiple LCD applications including LCD modules and display sub-systems. Only three or four lines are required for the interface between the host controller and the HT1621B. The device contains a power down command to reduce power consumption.

Parametrics

HT1621B absolute maximum ratings: (1)Supply Voltage:VSS-0.3V to VSS+5.5V ; (2)Storage Temperature:-50℃ to 125℃; (3)Input Voltage:VSS-0.3V to VDD+0.3V ; (4)Operating Temperature:-25℃ to 75℃.

Features

HT1621B features: (1)Operating voltage: 2.4V to 5.2V; (2)Built-in 256kHz RC oscillator; (3)External 32.768kHz crystal or 256kHz frequency source input; (4)Selection of 1/2or1/3 bias, and selection of 1/2or 1/3 or 1/4 duty LCD applications; (5)Internal time base frequency sources; (6)Two selectable buzzer frequencies (2kHz/4kHz); (7)Power down command reduces power consumption; (8)Built-in time base generator and WDT; (9)Time base or WDT overflow output; (10)8 kinds of time base/WDT clock sources; (11)32*4 LCD driver; (12)Built-in 324 bit display RAM; (13)3-wire serial interface; (14)Internal LCD driving frequency source; (15)Software configuration feature; (16)Data mode and command mode instructions; (17)R/W address auto increment; (18)Three data accessing modes; (19)VLCD pin for adjusting LCD operating voltage; (20)48-pin DIP/SSOP/LQFP package.

Diagrams

HT1621B block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
HT1621B
HT1621B
Other

Data Sheet
Negotiable 
Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
HT16
HT16
Taiwan Semiconductor
Rectifiers 1.0 Amp 600 Volt 30 Amp IFSM
Data Sheet
0-15000: $0.03
HT1602
HT1602
Other

Data Sheet
Negotiable 
HT1602L
HT1602L
Other

Data Sheet
Negotiable 
HT1608L
HT1608L
Other

Data Sheet
Negotiable 
HT1609L
HT1609L
Other

Data Sheet
Negotiable 
HT1611C
HT1611C
Other

Data Sheet
Negotiable