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BG128128A Datasheet, PDF (1/1 Pages) Bolymin, Inc – SMT PCB with metal frame Built-in controller LC7981
BO LYMIN
BG128128A
Feature
1. SMT PCB with metal frame
2. Built-in controller LC7981
3. 1/128 duty cycle
4. +5V single power supply
5. Option: LED, EL B/L
6. Option: negative voltage
Mechanical Data
Item
Standard Value Unit
Module Dimension 72.4 x 70.0 mm
Viewing Area
49.0 x 49.0 mm
Dot Size
0.32 x 0.32 mm
Dot Pitch
0.35 x 0.35 mm
Pin Assignment
Pin Symbol
1~8 DB0-7
9 RS
10 R/W
11 E
12 /CS
13 /RST
14 Vo
15 Vdd
16 Vss
17~18 NC
19 A
20 NC
Function
Data bus line
Data/Instruction select
Data read/write
Enable signal
Chip select
Reset signal
Contrast adjustment
Power supply(+5V)
Power supply(GND)
No connection
Power supply for B/L +
Power supply for B/L -
Dimension
3.6
65.2²0.3
49.0²0.2
44 77
Electronic Characteristics
Item
Symbol Condition
Typical
Value
Unit
Input Voltage Vdd Vdd = +5V 5.0 V
Supply Current Idd Vdd = +5V 5.0 mA
LCD Driving
Voltage
Vdd-Vo 25 oC
17.6 V
LED Forward
Voltage
Vf
25 oC
4.2 V
LED Forward
Current
If
25 oC 320 mA
20-Ø1.0
4- Ø 2.5
10.0[led]
5.0[el/ref]
1.6
A
67.4²0.3
72.4²0.5
DETAIL A
15.0[led]
10.0[el/ref]