ST7789V2 datasheet(38/319 Pages) SITRONIX

38 / 319 page

ST7789V2

Version 1.0

Page 38 of 319

2016/11

Sitronix Confidential

The information contained herein is the exclusive property of Sitronix and shall not be distributed, reproduced, or

disclosed in whole or in part without prior written permission of Sitronix.

7.2

DC Characteristics

Parameter

Symbol

Condition

Specification

Unit

Pins

MIN.

TYP.

MAX.

Power & Operation Voltage

System Voltage

VDD

Operating

voltage

2.4

2.75

3.3

Interface Operation Voltage

VDDI

I/O Supply

Voltage

1.65

1.8

3.3

Gate Driver High Voltage

VGH

12.2

14.97

Note 4

Gate Driver Low Voltage

VGL

-12.5

-7.16

Gate Driver Supply Voltage

| VGH-VGL |

19.36

27.47

Note 5

Input / Output

Logic-High Input Voltage

VIH

0.7VDDI

VDDI

Note 1

Logic-Low Input Voltage

VIL

VSS

0.3VDDI

Note 1

Logic-High Output Voltage

VOH

IOH = -1.0mA

0.8VDDI

VDDI

Note 1

Logic-Low Output Voltage

VOL

IOL = +1.0mA

VSS

0.2VDDI

Note 1

Logic-High Input Current

IIH

VIN = VDDI

Note 1

Logic-Low Input Current

IIL

VIN = VSS

-1

Note 1

Input Leakage Current

IIL

IOH = -1.0mA

-0.1

+0.1

Note 1

VCOM Voltage

VCOM amplitude

VCOM

VSS

Source Driver

Source Output Range

Vsout

VAN

VAP

Gamma Reference

Voltage(Positive)

VAP

4.45

6.4

Note 6

Gamma Reference

Voltage(Negative)

VAN

-4.6

-2.65

Source Output Settling Time

Below with 99%

precision

Note 2

Output Offset Voltage

VOFFSET

Note 3

Table 2 Basic DC Characteristics

Notes:

1. TA= -30 to 70

(to +85

no damage).

℃

2. Source channel loading= 2K +12pF/channel, Gate channel loading=5K +40pF/channel.

3. The Max. value is between measured point of source output and gamma setting value.

4. When evaluating the maximum and minimum of VGH, VDD=2.8V.

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