Datasheet
DEM 20485 SYH Product Specification
Version: 2 PAGE: 6
7. DISPLAY DATA RAM (DDRAM)
DISPLAY POSITION
1 2 3 4 5 6 7 8 9 10 11
12
13
14
15
16
17
18
19
20
FIRST LINE
00
01
02
03
04
05
06
07 08
09 0A
0B
0C
0D
0E
0F
10
11
12
13
SECOND LINE
40
41
42
43
44
45
46
47 48
49 4A
4B
4C
4D
4E
4F
50
51
52
53
THIRD LINE
14
15
16
17
18
19
1A
1B
1C
1D 1E
1F
20
21
22
23
24
25
26
27
FOURTH LINE
54
55
56
57
58
59
5A
5B
5C
5D 5E
5F
60
61
62
63
64
65
66
67
DD RAM ADDRESS
8. MAXIMUM ABSOLUTE LIMIT (Ta=25°C)
Item Symbol Standard value Unit
Power supply voltage (1) V
DD
-0.3~+6.0 V
Power supply voltage (2) V
0
V
DD
-10.0~V
DD
+0.3 V
Input voltage V
IN
-0.3~V
DD
+0.3 V
Operating temperature Topr -20~+70 ℃
Storage temperature Tstg -30~+80 ℃
*Voltage greater than above may damage to the Circuit.
V
DD
>V1>V2>V3>V4>V5
9. ELECTRICAL CHARACTERISTICS
9-1 DC Characteristics (V
DD
=4.5V~5.5V,Ta=-20~+70°C)
Item Symbol
Standard Value Test
Condition
Unit
MIN TYP MAX
Operating Voltage V
DD
4.5 5 5.5
-------
V
LCD Driving Voltage VLCD 3.0 4.5 7.0 VDD-V0 V
Supply Current I
DD
---- 0.35 0.6 VDD=5V,fosc=270kHz mA