BO LYMIN
BC4004A
Feature
1. COB with metal frame
2. 5x7 dots with cursor
3. Built-in controller KS0066 or equivalent
4. + 5V single power supply
5. 1/16 duty cycle
6. LED B/L pins: 17/18, or A/K, or 13/14
7. Option: LED, EL B/L
8. Option: +3V single power supply
9. Option: negative voltage (built-in, external)
Mechanical Data
Item
Standard Value
Module Dimension
190.0 x 54.0
Viewing Area
147.0 x 29.5
Dot Size
0.5 x 0.55
Character Size
2.78 x 4.89
Pin Assignment
Pin
Symbol
1~8
DB7~0
9
E1
10
R/W
11
RS
12
Vo
13
Vss
14
Vdd
15
E2
16
NC/Vee
17
A
18
K
Dimension
Unit
mm
mm
mm
mm
Electronic Characteristics
Symbol Condition
Typical
Unit
Value
Input Voltage
Vdd Vdd = +5V 5.0
V
Supply Current
Idd
Vdd = +5V 3.0 mA
LCD Driving
4.5
Vdd-Vo
V
25
o
C
Voltage
LED Forward
4.2
Vf
V
25
o
C
Voltage
LED Forward
If
600 mA
25
o
C
Current
EL Power
Vel
Vel=110Vac/400Hz
V
Voltage
Item
Function
Data bus line
H --> L enable signal ic1
H/L read/write
register select
contrast adjustment
GND
+5V(+3V option)
H --> L enable signal ic2
NC/Negative voltage output
Power supply for B/L (+)
Power supply for B/L (GND)
BOLYMIN [ BOLYMIN, INC ]
