USB LCD Displays
In order to keep this display in production over the long term, we revised it to the CFAH4004A1-TMI-JT. Please contact support with any questions.
White on Blue 40x4 Character LCD
Part Number: CFAH4004A-TMI-JT
Parallel Character LCD 40x4, RoHS Compliant, White Edge LED Backlight, STN Negative, Blue, Transmissive -20°C to +70°C 6:00
- Available in several variations of backlight and polarizer (minimum order may be required)
- 8-bit or 4-bit parallel interface
- Industry-standard HD44780 compatible controller
Product Variants
4-bit Parallel / 8-bit Parallel
Datasheet
TECHNICAL SPECS
Physical Characteristics
| Characters x Lines | 40 x 4 |
| Module Overall | width | height | depth |
|---|---|---|---|
| millimeters | 190 | 54 | 13.6 |
| inches | 7.480 | 2.126 | 0.535 |
| PCB Outline | width | height | depth |
|---|---|---|---|
| millimeters | 190 | 54 | 13.6 |
| inches | 7.480 | 2.126 | 0.535 |
| Diagonal Dimension | 5.6" |
| Viewing Area | width | height |
|---|---|---|
| millimeters | 147 | 29.5 |
| inches | 5.787 | 1.161 |
| Active Area | width | height |
|---|---|---|
| millimeters | 140.45 | 23.16 |
| inches | 5.530 | 0.912 |
| Character Size | width | height |
|---|---|---|
| millimeters | 2.78 | 4.89 |
| inches | 0.109 | 0.193 |
| Character Pitch | width | height |
|---|---|---|
| millimeters | 3.53 | 6.09 |
| inches | 0.139 | 0.240 |
| Dot Size | width | height |
|---|---|---|
| millimeters | 0.5 | 0.55 |
| inches | 0.020 | 0.022 |
| Dot Pitch | width | height |
|---|---|---|
| millimeters | 0.57 | 0.62 |
| inches | 0.022 | 0.024 |
| Weight | 126g |
| Pin Count | 18 |
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 |
Electrical Specifications
| Supply Voltage for Logic Minimum | 4.5V |
| Supply Voltage for Logic Maximum | 5.5V |
| Supply Voltage for Logic Typical | 5V |
| Supply Voltage for Driving Panel Typical | 4.35V |
| Supply Current Minimum | 1.8mA |
| Supply Current Maximum | 7mA |
| Supply Current Typical | 3.5mA |
| Module Connector Pitch | 2.54mm |
Backlight Electrical Specifications
| Forward Voltage Minimum | 3.4V |
| Forward Voltage Maximum | 3.6V |
| Forward Voltage Typical | 3.5V |
| Forward Current Minimum | 20mA |
| Forward Current Maximum | 80mA |
| Forward Current Typical | 64mA |
Environmental
| 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% |
Electronics
| Controller Documents | Sitronix ST7066U Dot Matrix LCD Controller/Driver |
| Interface | 4-bit Parallel, 8-bit Parallel |
Part Change Notice
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End-Of-Life #11170: End-of-Life Notification
| Products Affected: | CFAH4004A-YYH-JT, CFAH4004A-TFH-JT, CFAH4004A-TMI-JT |
| Date Issued: | January 23, 2023 |
| Summary: | End-of-Life Notification |
| Description: | The bezel used on these displays is being modified to improve manufacturability. The part numbers are being updated to reflect this change. The replacement part numbers are listed below. CFAH4004A-YYH-JT -> CFAH4004A1-YYH-JT CFAH4004A-TMI-JT -> CFAH4004A1-TMI-JT CFAH4004A-TFH-JT -> CFAH4004A1-TFH-JT There is a limited inventory of the old part available. Contact sales@crystalfontz.com for the latest inventory levels. |
| Reason: | Manufacturability improvement. |
| Availability: | Contact Crystalfontz Support for up-to-date information on the replacement parts by emailing support@crystalfontz.com. |
Part Change Notice #11034: The Printed Circuit Boards of the parts listed are being revised as part of our continuing product improvement process.
Compatible Software:
For reference only. For design purposes, please use the specifications in the datasheet.
