This product has reached end of life and has been replaced by CFAH2004A-YTI-JT

Green 20x4 Character LCD [EOL]

Part Number: CFAH2004A-YMI-JT

Parallel Character LCD 20x4, RoHS Compliant, Yellow/Green LED Backlight, STN Negative, Blue, Transmissive -20°C to +70°C 6:00

  • Temperature range: -20°C to 70°C (-4°F to 158°F)
  • 8-bit or 4-bit parallel interface
  • Industry-standard HD44780 compatible controller
  • RoHS Compliant. Factory ISO certified.
  • square_foot Physical Characteristics

    Physical Characteristics

    Characters x Lines 20 x 4
    Module Overall width height depth
    millimeters 98 60 13.6
    inches 3.858 2.362 0.535
    PCB Outline width height depth
    millimeters 98 60 13.6
    inches 3.858 2.362 0.535
    Viewing Area Width Height
    millimeters 77 25.2
    inches 3.031 0.992
    Active Area Width Height
    millimeters 70.4 20.8
    inches 2.772 0.819
    Character Size Width Height
    millimeters 2.95 4.75
    inches 0.116 0.187
    Character Pitch Width Height
    millimeters 3.55 5.35
    inches 0.140 0.211
    Dot Size Width Height
    millimeters 0.55 0.55
    inches 0.022 0.022
    Dot Pitch Width Height
    millimeters 0.6 0.6
    inches 0.024 0.024
    Weight 52g
  • visibility Optical Characteristics

    Optical Characteristics

    Glass Type/Glass Color STN/Blue
    Polarizer Transmissive
    View Direction 6 o'clock
    Backlight Color Yellow-Green
    Backlight Type LED
    Mode Negative
    Foreground Color Yellow-Green
    Background Color Dark
  • electric_bolt Electrical Specification

    Electrical Specifications

    Module Connector Pitch 0.1mm
  • nature Enviromental


    Operating Temperatures min max
    Celsius -20° 70°
    Fahrenheit -4° 158°
    Storage Temperatures min max
    Celsius -30° 80°
    Fahrenheit -22° 176°
    Humidity min max
    Non-condensing 0% 90%
  • cable Electronics


    Controller Documents Sitronix ST7066U
    Dot Matrix LCD Controller/Driver
    Sitronix ST7066U

    Sitronix ST7066U
    Dot Matrix LCD Controller/Driver
    Interface 4-bit Parallel, 8-bit Parallel
  • picture_as_pdf Datasheets
  • download Files and Downloads

This product is End-of-Life and has limited availability. This display is not recommended for new designs. We suggest the CFAH2004A-YTI-JT as a replacement.

The price has been reduced on the remaining stock. These displays are perfect for a one-off or hobby project. As with all Crystalfontz displays, full technical support is included but we cannot accept returns. Once depleted, no more is available.

Part Change Notice

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  • text_snippet
    Product Update #10652: (New Product) CFAH2004A-YMI-JT
    New Product: CFAH2004A-YMI-JT
    Date Issued: April 3, 2015
    Summary: (New Product) CFAH2004A-YMI-JT
    Description: Standard Character Modules: Parallel Character LCD 20x4, RoHS, Y/G LED Backlight, STN Negative, Blue, Transmissive -20°C to +70°C 6:00
  • text_snippet
    Product Update #10651: CFAH2004A-YMI-JT discontinued.
    Product Affected: CFAH2004A-YMI-JT
    Date Issued: April 3, 2015
    Summary: CFAH2004A-YMI-JT discontinued.
    Description: With improved technology and manufacturing, the CFAH2004A-YMI-JT with negative blue STN LCD and yellow-green LED backlight is being discontinued in favor of a the visually superior CFAH2004A-YTI-JT with negative FSTN LCD and yellow-green LED backlight.
    Recommendation: If product is currently designed with CFAH2004A-YMI-JT, it is recommended to move to the CFAH2004A-YTI-JT.
    Availability: CFAH2004A-YMI-JT has very limited availability.
    CFAH2004A-YTI-JT is available for immediate shipment.