20x4 USB Character LCD

Part Number: CFA634-TMC-KU

CFA-634 USB LCD 20x4, White Edge LED Backlight, STN Negative, Blue, Transmissive 0°C to +50°C, 6:00

• Large easy-to-read LCD in a compact size can display 20 characters x 4 lines. Overall module size is 130.00 mm, width x 63.00 mm height x 19.90 mm depth (5.12" x 2.48" x 0.78"). Character height is 7.30 mm (0.29").
• Attractive stainless steel bezel.
• Optional PC CDROM mounting bracket with three choices of overlay to fit two 5.25" wide bays is available.
• The CFA634 family has four colors choices:

1. CFA634-TFH-Kx: White edge-lit LED backlight with positive STN transflective mode. Displays dark (near-black) characters on light (near-white) background. The display can be read in normal office lighting, in dark areas, andin bright sunlight.
2. CFA634-TMI-Kx: White edge-lit LED backlight with negative STN transmissive mode LCD. Displays light (nearwhite) characters on a blue background. The display can be read in normal office lighting and in dark areas. May be difficult to read in direct sunlight.
3. CFA634-YDI-Kx: Yellow-green array LED backlight with negative FFSTN transmissive mode LCD. Displays yellow-green characters on a dark (near-black) background. The display can be read in normal office lighting and in dark areas. May be difficult to read in direct sunlight.
4. CFA634-YFH-Kx: Yellow-green array LED backlight with positive FSTN transflective mode LCD. Displays dark (near-black) characters on yellow-green background. The display can be read in normal office lighting, in dark areas, and in bright sunlight.

• Use any of six interfaces on any module in the CFA634 family by simply changing the interface selection in a command and using the appropriate jumper configurations.
• The displays have a 6 o’clock viewing angle (polarizer viewing direction).
• Adjustable contrast. The module’s default contrast value will be acceptable for many applications. If necessary, you can adjust the contrast by using control function.
• The modules have a RockWorks RW1067 controller.
• Extended voltage (9-15 volts for interfaces using DB9 connector) and 5 volts power inputs standard for the controller.
• Backlight is 5 volts only.
• Use the nonvolatile memory capability (EEPROM) to customize the “power-on” display settings.
• Wide temperature range for operation is -20°C to +70°C.
• RoHS compliant. You can download the RoHS and REACH documents from the Datasheets & Files section.

• square_foot Physical Characteristics

  Physical Characteristics

  Characters x Lines

  20 x 4

  Module Overall	width	height	depth
  millimeters	130	63	19.9
  inches	5.12	2.48	0.78

  PCB Outline	width	height	depth
  millimeters	130	63	19.9
  inches	5.12	2.48	0.78

  Viewing Area	Width	Height
  millimeters	102	41.5
  inches	4.02	1.63

  Active Area	Width	Height
  millimeters	93.54	34
  inches	3.68	1.34

  Character Size	Width	Height
  millimeters	3.84	6.38
  inches	0.151	0.251

  Character Pitch	Width	Height
  millimeters	4.68	8.9
  inches	0.184	0.350

  Dot Size	Width	Height
  millimeters	0.72	0.86
  inches	0.028	0.034

  Dot Pitch	Width	Height
  millimeters	0.78	0.92
  inches	0.031	0.036

• visibility Optical Characteristics

  Optical Characteristics

  Glass Type/Glass Color	STN/Blue
  Polarizer	Transmissive
  View Direction	6 o'clock

  Backlight Color	White
  Backlight Type	LED
  Mode	Negative
  Foreground Color	White
  Background Color	Blue

• nature Environmental

  Environmental

  Operating Temperatures	min	max
  Celsius	0°	50°
  Fahrenheit	32°	122°

  Storage Temperatures	min	max
  Celsius	-10°	60°
  Fahrenheit	14°	140°

  Humidity	min	max
  Non-condensing	0%	90%

• cable Electronics

  Electronics

  Interface

  USB

• picture_as_pdf Datasheets
  picture_as_pdf

  CFA-634 v2.0.pdf
  

  (Datasheet V 2.0, Hardware 2.3, Firmware 2.0)
  

  picture_as_pdf

  634full v0 7.pdf
  

  (Datasheet V 1.0, Hardware 0.7, Firmware 0.7)