Sunlight Readable 128x64 Parallel Graphic LCD

Part Number: CFAG12864S-YYH-VT

Sunlight Readable 128x64 Graphic LCD with positive voltage generator

  • Resolution: 128x64 pixels
  • Optics: 6:00 viewing direction
  • Backlight: Yellow-Green LED
  • Glass: STN Positive, Transflective
  • Controller: Sitronix ST7920 (Hitachi HD44780 Compatible)
  • Character Generator: Chinese and English
  • Operating Temp: -20°C to +70°C
  • Compliance: RoHS Compliant


Physical Characteristics

Column Dots x Row Dots 128 x 64
Module Overall width height depth
millimeters 75 52.7 8.9
inches 2.953 2.075 0.350
PCB Outline width height depth
millimeters 75 52.7 8.9
inches 2.953 2.075 0.350
Diagonal Dimension 2.42"
Viewing Area width height
millimeters 60 32.6
inches 2.362 1.283
Active Area width height
millimeters 55 27.48
inches 2.165 1.082
Dot Size width height
millimeters 0.39 0.39
inches 0.015 0.015
Dot Pitch width height
millimeters 0.43 0.43
inches 0.017 0.017
Weight 36g

Optical Characteristics

Glass Type/Glass Color STN/Yellow-Green
Polarizer Transflective
View Direction 6 o'clock
Sunlight Readable Yes
Backlight Color Yellow-Green
Backlight Type LED
Mode Positive
Foreground Color Dark
Background Color Yellow-Green

Electrical Specifications

Module Connector Pitch 0.1mm


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%


Controller Documents Sitronix ST7920
Chinese Fonts built in LCD controller/driver
Interface 4-bit Parallel, 8-bit Parallel, SPI

Part Change Notice

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Product Update #11114: Special Order Only

Product Affected: CFAG12864S-YYH-VT
Date Issued: February 1, 2022
Summary: Special Order Only
Description: This product is still available but Crystalfontz will no longer be stocking it as a standard part. Please contact for MOQ, pricing, and lead time information.

Product Update #10302: New Product in Standard Graphic Modules: CFAG12864S-YYH-VT

New Product: CFAG12864S-YYH-VT
Date Issued: December 16, 2010
Summary: New Product in Standard Graphic Modules: CFAG12864S-YYH-VT
Description: 128x64 Graphic LCD, Yellow/Green LED Backlight, STN Positive, Yellow/Green, Transflective -20°C - +70°C 6:00, Positive Voltage Generator
For reference only. For design purposes, please use the specifications in the datasheet.