4 Lines VFD Display Module for Textile Machine VFD Module

1. General Description
1.1 Application: Readout of computer, micro-computer, communication terminal and automatic instruments
1.2 Construction: Single board display module consists of 80 character (4*20) VFD, refresh memory, character
generator, control circuit, DC/DC converter and all necessary control logics. Interface lever is TTL compatible and the module can be connected to the CPU bus of host directly
1.3 Drawing: See para. 12. Outline dimension

2. Absolute Maximum Ratings
Parameter
Symbol
Min.
Typ.
Max.
Unit
Condition
Logic Input Voltage
V1
0
Vcc
VDC
Power Supply Voltage
Vcc
0
7.0
VDC

3. Electrical Ratings
Parameter
Symbol
Min.
Typ.
Max.
Unit
Condition
"H"
VIH
2.0
Vcc
Logic Input Voltage
"L"
VIL
0.0
0.8
VDC
Power Supply Voltage
Vcc
4.75
5.0
5.25
VDC

4. Electrical Characterisitics
Measuring ConditionTA (Ambient temperature)=25,Vcc=5.0V
Parameter
Symbol
Min.
Typ.
Max.
Unit
Condition
"H"
VOH
2.4
IOH=-2.0mA
Logic Input Voltage
"L"
VOL
0.5
VDC
IOL=2.0mA
Power Supply Current
Icc
1100
1300
mADC
Vcc=5V
Note Icc shows the current at all dots in the screen are lighted.
Slow start power supply may cause erroneous operation.
Icc might be anticipated twice as usual at power on rush.
DOCUMENT NO.
REV. NO
PAGE
STANDARD
NAME
SPECIFICATION FOR APPROVAL
1.0
2/15

5. Optical Specifications
Number of characters 80 (4 line 20 chars)
Matrix format 5 7 dot
Display area 164.1 42.4 mm (X Y)
Character size 6.4 9.1 mm (X Y)
Character pitch 8.3 11.1 mm (X Y)
Dot size 1.0 1.0 mm (X Y)
Dot pitch 1.35 1.35 mm (X Y)
Luminance 350 cd/m2 (100Fl) Min.
Color of illumination Blue-green

6. Enviromental Specifications
Operation temperature -10 to +65
Storage temperature -40 to +85
Operating humidity 20 to 80 % RH
Vibration 10 to 55 Hz,1mm(all amplitude)
3 directions,30min,each
Shock 392m/s2(40G),10Ms, 3 directions


*Pls contact us for more specs or view our website:www.made-in-china.com/showroom/jackdong2011