ST7735
7
Driver electrical characteristics
7.1 Absolute operation range
Item
Symbol
VDD
Rating
Unit
V
Supply voltage
-0.3 ~ +4.6
-0.3 ~ +4.6
-0.3 ~ +1.95
-0.3 ~ +30.0
0.3 ~ VDDI +0.3
0.3 ~ VDDI +0.3
-30 ~ +85
Supply voltage (Logic)
Supply voltage (Digital)
Driver supply voltage
Logic input voltage range
Logic output voltage range
Operating temperature range
Storage temperature range
VDDI
VCC
V
V
VGH-VGL
VIN
V
V
VO
V
℃
℃
TOPR
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
Typ
Related
Parameter
Symbol
Condition
Unit
Pins
Min
Max
Power & operation voltage
System voltage
Interface operation
voltage
VDD
Operating voltage
I/O supply voltage
2.6
2.75
1.9
3.3
3.3
V
V
VDDI
1.65
Gate driver high
voltage
VGH
VGL
10
15
V
V
V
Gate driver low
voltage
-12.4
17.5
-7.5
27.5
Gate driver supply
voltage
| VGH-VGL |
Input / Output
Logic-high input
voltage
VIH
VIL
0.7VDDI
VSS
VDDI
V
V
Note 1
Note 1
Note 1
Note 1
Note 1
Logic-low input
voltage
0.3VDDI
VDDI
Logic-high output
voltage
VOH
VOL
IIH
IOH = -1.0mA
IOL = +1.0mA
VIN = VDDI
0.8VDDI
VSS
V
Logic-low output
voltage
0.2VDDI
1
V
Logic-high input
current
uA
V1.7
18
2009-12-04