ChipSourceTek SC1621SB LCD Driver IC Datasheet

This datasheet describes the ChipSourceTek SC1621SB, a 32x4 dot matrix LCD driver IC featuring software configuration and power-saving commands.


ChipSourceTek SC1621SB LCD Driver IC Datasheet - cover page
Brand
ChipSourceTek
Category
Other Electronics
Document type
Datasheet
Language
Chinese
Pages
12
File format
PDF
File size
2.7 MB
Published
12 October, 2026
Updated
12 October, 2026
MD5 checksum
94250D8D5303CB9F8B87ED271996ADAD

About this manual

The SC1621SB is a 128-point memory-mapped and multifunctional LCD driver suitable for various applications including LCD modules and display subsystems. It connects to the main controller via only four or five pins and includes a power-down command to reduce system power consumption.

Key features include an embedded 256KHz RC oscillator, support for external crystal or clock sources, selectable bias ratios (1/2 or 1/3) and duty cycles, and an internal time-base generator with a watchdog timer (WDT). The device operates on a supply voltage of 3.0V to 5.0V. This manual is written in Chinese.

What's inside

  • Overview
  • Features
  • Pin Description
  • Absolute Maximum Ratings
  • DC Electrical Characteristics
  • AC Electrical Characteristics
  • Typical Application Circuit
  • System Structure

Specifications

Operating Voltage3.0 ~ 5.0V
Supply Voltage Range-0.3V~5.5V
Operating Temperature-25℃~75℃
Storage Temperature-50℃~125℃
Standby Current (3V)< 0.1uA
System Clock Frequency (Internal RC)256 KHz
LCD Clock FrequencyFSYS/1024 or FSYS/128

Frequently asked questions

What is the operating voltage range for the SC1621SB?

The device operates on a supply voltage of 3.0V to 5.0V.

Does the SC1621SB include an internal oscillator?

Yes, it has an embedded 256KHz RC oscillator.

Can the SC1621SB drive a 32x4 LCD?

Yes, it is designed as one 32x4 LCD driver.

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