CFA633-RDI-KS datasheet(24/88 Pages) CRYSTAIFONTZ

24 / 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 24

DC CHARACTERISTICS

ESD (ELECTRO-STATIC DISCHARGE) SPECIFICATIONS

Tx and Rx pins of connector RS-232 only:

+15 kV Human Body Model

+15 kV IEC1000-4-2 Air Discharge

+8 kV IEC1000-4-2 Contact Discharge

The remainder of this circuitry is industry standard CMOS logic and susceptible to ESD damage. Please use industry

standard antistatic precautions as you would for any other static sensitive devices such as expansion cards,

motherboards, or integrated circuits. Ground your body, work surfaces, and equipment.

LED BACKLIGHT INFORMATION

The backlight uses LEDs. The backlight is easy to use properly but it is also easily damaged by abuse.

LEDs are “current” devices. The brightness is controlled by the current flowing through it, not the voltage across it. Ideally,

a current source would be used to drive the LEDs. A simple current limiting resistor works well in most applications and

is much less complex than a current source.

CHARACTERISTICS

TEST

CONDITIONS

Supply Voltage for Logic

TOP =-30°C to +70°C VDD - GND

+4.75v

+5.0v

+5.25v1

LCD Driver Voltage

Ta = 25°C

VLCD

+4.8v

+5.0v

+5.2v

Input High Voltage

VDD = +5v

VIH

VDD-1.0v

VDD

Input Low Voltage

VIL

0v (GND)

+0.6v

Output High Voltage

VOH

+0.9VDD

Output Low Voltage

VOL

0v (GND)

+0.1VDD

1Do not exceed +5.25v maximum.

NOTE

For modules with

white backlights (CFA633-TFH-Kx

and CFA633-TMI-Kx

), we recommend

that the backlight be dimmed or turned off during periods of inactivity to conserve the LEDs’ lifetime.

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