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HT1621 - Holtek

Description: HT1621/HT1621G RAM Mapping 324 LCD Controller for I/O MCU

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PCB Footprints
HT1621 - Holtek PCB footprint - Quad Flat Packages - Quad Flat Packages - LQFP44-10X10
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3D Models
HT1621 - Holtek  - 3D model - Quad Flat Packages - LQFP44-10X10
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HT1621 Details

  • Manufacturer Part Number:

    HT1621

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Holtek Semiconductor Inc

  • YTEOL:

    0

  • Display Mode:

    SEGMENT

  • Interface IC Type:

    LIQUID CRYSTAL DISPLAY DRIVER

  • JESD-30 Code:

    R-PDSO-G48

  • Number of Segments:

    32

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    70 °C

  • Operating Temperature-Min:

    -25 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP48(UNSPEC)

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Qualification Status:

    Not Qualified

  • Supply Current-Max:

    0.6 mA

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Form:

    GULL WING

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    NOT SPECIFIED

HT1621 Frequently Asked Questions (FAQs)

  • The maximum clock frequency for the HT1621 is 4 MHz.
  • To configure the HT1621 for 7-segment display mode, set the DM1 and DM0 bits in the Display Mode Register (DMR) to '10'.
  • The internal oscillator in the HT1621 is used to generate the clock signal for the microcontroller, eliminating the need for an external clock source.
  • No, the HT1621 is designed to operate with a 2.2V to 5.5V power supply, but it is not recommended to use it with a 5V power supply as it may exceed the maximum rating.
  • The HT1621 can be reset by pulling the RESET pin low for at least 10 ns.

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HT1621 Overview

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