CFA633-RDI-KS datasheet(63/88 Pages) CRYSTAIFONTZ

63 / 88 page

Crystalfontz America, Inc.

Data Sheet Release Date 2012/02/21

www.crystalfontz.com

CFA633-RDI-KS LCD Module (Hardware v2.0 / Firmware s2v1)

February 2012

Page 63

LCD MODULE RELIABILITY AND LONGEVITY

MODULE RELIABILITY

Note: We work to continuously improve our products, including backlights that are brighter and last longer. Slight color

variations from module to module and batch to batch are normal. If you need modules with consistent color, please ask

for a custom order.

MODULE LONGEVITY (EOL / REPLACEMENT POLICY)

Crystalfontz is committed to making all of our LCD modules available for as long as possible. For each module we

introduce, we intend to offer it indefinitely. We do not preplan a module's obsolescence. The majority of modules we have

introduced are still available.

We recognize that discontinuing a module may cause problems for some customers. However, rapidly changing

technologies, component availability, or low customer order levels may force us to discontinue (“End of Life”, EOL) a

module. For example, we must occasionally discontinue a module when a supplier discontinues a component or a

manufacturing process becomes obsolete. When we discontinue a module, we will do our best to find an acceptable

replacement module with the same fit, form, and function.

In most situations, you will not notice a difference when comparing a “fit, form, and function” replacement module to the

discontinued module it replaces. However, sometimes a change in component or process for the replacement module

results in a slight variation, perhaps an improvement, over the previous design.

Although the replacement module is still within the stated Data Sheet specifications and tolerances of the discontinued

module, changes may require modification to your circuit and/or firmware. Possible changes include:



Backlight LEDs. Brightness may be affected (perhaps the new LEDs have better efficiency) or the current they

draw may change (new LEDs may have a different VF).



Controller. A new controller may require minor changes in your code.



Component tolerances. Module components have manufacturing tolerances. In extreme cases, the tolerance

stack can change the visual or operating characteristics.

Please understand that we avoid changing a module whenever possible; we only discontinue a module if we have no

other option. We post Part Change Notices (PCN) on the product's website page as soon as possible. If interested, you

can subscribe to future part change notifications.

ITEM

SPECIFICATION

LCD portion (excluding Keypad and Backlights)

50,000 to 100,000 hours (typical)

Keypad

1,000,000 keystrokes

Red LED Display and Red LED Keypad Backlights

50,000 to 100,000 hours (typical)

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