Datasheet

ST7735
V1.7 18 2009-12-04
7 Driver electrical characteristics
7.1 Absolute operation range
Item Symbol Rating Unit
Supply voltage VDD -0.3 ~ +4.6 V
Supply voltage (Logic) VDDI -0.3 ~ +4.6 V
Supply voltage (Digital) VCC -0.3 ~ +1.95 V
Driver supply voltage VGH-VGL -0.3 ~ +30.0 V
Logic input voltage range VIN 0.3 ~ VDDI +0.3 V
Logic output voltage range VO 0.3 ~ VDDI +0.3 V
Operating temperature range TOPR -30 ~ +85
℃
Storage temperature range TSTG -40 ~ +125
℃
Note: If one of the above items is exceeded its maximum limitation momentarily, the quality of the product may be degraded. Absolute
maximum limitation, therefore, specify the values exceeding which the product may be physically damaged. Be sure to use the
product within the recommend range.
7.2 DC characteristic
Specification
Parameter Symbol Condition
Min Typ Max
Unit
Related
Pins
Power & operation voltage
System voltage VDD Operating voltage 2.6 2.75 3.3 V
Interface operation
voltage
VDDI I/O supply voltage 1.65 1.9 3.3 V
Gate driver high
voltage
VGH 10 15 V
Gate driver low
voltage
VGL -12.4 -7.5 V
Gate driver supply
voltage
| VGH-VGL | 17.5 27.5 V
Input / Output
Logic-high input
voltage
VIH 0.7VDDI VDDI V Note 1
Logic-low input
voltage
VIL VSS 0.3VDDI V Note 1
Logic-high output
voltage
VOH IOH = -1.0mA 0.8VDDI VDDI V Note 1
Logic-low output
voltage
VOL IOL = +1.0mA VSS 0.2VDDI V Note 1
Logic-high input
current
IIH VIN = VDDI 1 uA Note 1