Datasheet
DEM 20485 SYH Product Specification
Version:1.1.1 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~+7.0 V
Power supply voltage (2) V
0
V
DD
-13.5~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)
Standard Value
Item Symbol
MIN TYP MAX
Test
Condition
Unit
Operating Voltage V
DD
4.5 5 5.5
-------
V
LCD Driving Voltage VLCD 3.0 4.5 13.0 VDD-V0 V
Supply Current I
DD
---- 0.35 0.6 VDD=5V,fosc=270kHz mA