LG128645 Datasheet, PDF (1/1 Pages) List of Unclassifed Manufacturers – LG128645 128 x 64 dots

LG128645 128 x 64 dots
Built in 8192 Chinese Fonts
ABSOLUTE MAXIMUM RATINGS
Item
Symbol
Min.
Max.
Unit
Supply Voltage(Logic) VDD- VSS
-0.3
5.5
V
Supply Voltage(LCD) VO - VSS
-0.3
7.0
V
Input Voltage
Operating Temp.
Storage Temp.
VI
Topr
Tstg
-0.3
-20
-30
VDD+ 0.3
70
80
^VC
C
â ELECTRICAL CHARACTERISTICS ( VDD=5V 0.25V )
Item
Symbol
Test
Condition
Min. Typ.
Input High Voltage
VIH
--
0.7VDD ^--
Input Low Voltage
VIL
--
- 0.3 --
Output High Voltage
VOH
IOH = - 0.1mA 0.8VDD --
Output Low Voltage
VOL
IOL = 0.1mA 0
--
 ^{Supply Current}
I DD
VDD = 5.0V
LCD Driving Voltage VO - VSS Ta=25 C
-- 3.0
-- 6.5
Max. Unit
VDD V
0.6 V
VDD V
0.4 V
5.0 ^mA
-- V
BLOCK DIAGRAM
Control Signals
ST7921
VSS
VDD
RS(CS)
R/W(SID)
E(SCLK)
PS
/RST
DB0
LCD
Controller
LSI
ST7920
32 COM
64 SEG 64 SEG
128 x 32 dots
32 COM
32 SEG
128 x 32 dots
96 SEG
DB7
LEDA
LEDK
LED B/L
Control Signals
ST7921
MECHANICAL DATA
Item
Nominal Dimensions Unit
Module Size ( W x H x T ) 93.0 x 70.0 x 10.0/13.5 mm
Viewing Area ( W x H ) 72.0 x 39.0
mm
Dot Pitch ( W x H )
0.52 x 0.52
mm
Dot Size ( W x H )
0.48 x 0.48
mm
Weight (Reflective/LED) Approx. 55/75
g
PIN CONNECTIONS
Pin Symbol Level
Function
1
VSS
0V
GND
2
VDD
+5V
Power supply for logic
3 NC
--
No connection
4 RS
H/L
H : Data L : Instruction code
5 R/W
H/L
H : Read L : Write
6
E
H,H ^_>L Enable signal
7 DB0
H/L
8 DB1
H/L
9 DB2
H/L
10 DB3
H/L
Data bus line
11 DB4
H/L
12 DB5
H/L
13 DB6
H/L
14 DB7
H/L
15 PSB
H/L
H: Parallel mode L: Serial mode
16 NC
--
No Connection
17 /RST
L
Reset signal, active "L"
18 NC
--
No connection
19 LEDA +5V
20 LEDK
0V
Power supply for LED backlight
 LED BACKLIGHT SPECIFICATIONS (Ta=25 C)
Item
Symbol Typ.
Forward Voltage
Vf
4.1
Forward Current
If
300
Emission Wave Length λp
568
Max. Unit
4.3 V
--
mA
--
nm