(MDLS40466D-LV-LED04 YG)
DEC./2001
VL-FS-MDLS40466D-07 REV. A
PAGE 2 OF 11
DOCUMENT REVISION HISTORY 1:
DOCUMENT
REVISION
DATE DESCRIPTION CHANGED
BY
CHECKED
BY
FROM TO
A
2001.12.21 First Release
(Based on the document
VL-TS-MDLS40466D-XX REV. B,
2001.12.04)
PHILIP
CHENG
TOM LEE
(MDLS40466D-LV-LED04 YG)
DEC./2001
VL-FS-MDLS40466D-07 REV. A
PAGE 3 OF 11
CONTENTS
Page No.
1. GENERAL DESCRIPTION 4
2. MECHANICAL SPECIFICATIONS 4
3. ABSOLUTE MAXIMUM RATINGS 6
3.1
ELECTRICAL MAXIMUM RATINGS (Ta=25°C)
3.2 ENVIRONMENTAL CONDITION 6
4. ELECTRICAL SPECIFICATIONS 7
4.1 INTERFACE SIGNALS 7
4.2 TYPICAL ELECTRICAL CHARACTERISTICS 8
4.3 TIMING SPECIFICATIONS 9
4.4 TIMING DIAGRAM OF VDD AGAINST V0 11
6
(MDLS40466D-LV-LED04 YG)
DEC./2001
VL-FS-MDLS40466D-07 REV. A
PAGE 4 OF 11
VARITRONIX LIMITED
Specification
of
LCD Module Type
Item No.: MDLS40466D-07
1. General Description
• 40 characters(5 x 8 dots)x 2 lines STN Positive Yellow Transflective Dot Matrix LCD module.
• Viewing Angle: 6 O’clock direction.
• Driving duty: 1/16 Duty, 1/5 bias.
• ‘SAMSUNG’ KS0066UP-10BCC(die form) LCD Controller & Driver or equivalent.
• ’SAMSUNG’ KS0065B-PCC (die form) or equivalent 40-Channel Segment/Common Drivers
for Dot Matrix LCD.
• Yellow-green LED04 backlight.
2. Mechanical Specifications
The mechanical detail is shown in Fig. 1 and summarized in Table 1 below.
Table 1
Parameter Specifications Unit
Outline dimensions 196.0(W) x 56.0(H) x 14.0 MAX.(D) mm
Effective viewing area 154.4(W) x 27.6(H) mm
Display format 40 characters x 4 lines Character size 3.15(W) x 5.50(H) (5 x 8 dots) mm
Character spacing 0.60(W) x 0.40(H) mm
Character pitch 3.75(W) x 5.90(H) mm
Dot size 0.55(W) x 0.60(H) mm
Dot spacing 0.10(W) x 0.10(H) mm
Dot pitch 0.65(W) x 0.70(H) mm
Weight TBD grams
(MDLS40466D-LV-LED04 YG)
DEC./2001
VL-FS-MDLS40466D-07 REV. A
PAGE 5 OF 11
Figure 1: Outline Drawing
A
H
V
H
(MDLS40466D-LV-LED04 YG)
DEC./2001
VL-FS-MDLS40466D-07 REV. A
PAGE 6 OF 11
3. Absolute Maximum Ratings
3.1 Electrical Maximum Ratings(Ta = 25 ºC)
Table 2
Parameter Symbol Min. Max. Unit
Power Supply voltage (Logic) VDD - VSS -0.3 +7.0 V
Power Supply voltage (LCD drive) VLCD=VDD – V0 -0.3 +15.0 V
Input voltage Vin -0.3 VDD +0.3 V
Note:
The modules may be destroyed if they are used beyond the absolute maximum ratings.
All voltage values are referenced to VSS = 0V.
3.2 Environmental Condition
Item
Operating
Temperature
(Topr)
Min. Max. Min. Max.
mbient Temperature
umidity
0°C +50°C -10°C +60°C
95% max. RH for Ta ≤ 40°C
< 95% RH for Ta > 40°C
ibration (IEC 68-2-6)
cells must be mounted
on a suitable connector
Shock (IEC 68-2-27)
alf-sine pulse shape
Frequency: 10 ∼ 55 Hz
Amplitude: 0.75 mm
Duration: 20 cycles in each direction.
Pulse duration : 11 ms
Peak acceleration: 981 m/s2 = 100g
Number of shocks : 3 shocks in 3
mutually perpendicular axes.
Table 3
Temperature
Storage
(Tstg)
Remark
Dry
no condensation
3 directions
3 directions
(MDLS40466D-LV-LED04 YG)
DEC./2001
VL-FS-MDLS40466D-07 REV. A
PAGE 7 OF 11
4. Electrical Specifications
4.1 Interface signals
Table 4
Pin No. Symbol Description
1 VSS Ground(0V).
2 VDD Power supply for logic (+5V)
3 V0 Power supply for LCD driver
4 RS Register Select Input:
“High” for Data register (for read and write)
”Low” for Instruction register (for write),
Busy flag, address counter (for read)
5 R/W Read/Write signal:
” High” for Read mode.
“Low” for Write mode.
6 NC No connection.
7 DB0 Data input/output (LSB)
8 DB1 Data input/output
9 DB2 Data input/output
10 DB3 Data input/output
11 DB4 Data input/output
12 DB5 Data input/output
13 DB6 Data input/output
14 DB7 Data input/output (MSB)
15 E1 Enable 1.
Start signal for data read /write.
16 E2 Enable 2.
Start signal for data read /write.
A LED(+) Anode of LED backlight
K LED(-) Cathode of LED backlight
(MDLS40466D-LV-LED04 YG)
DEC./2001
VL-FS-MDLS40466D-07 REV. A
PAGE 8 OF 11
4.2 Typical Electrical Characteristics
At Ta = 25 °°°°C, VDD = 5V±±±±5%, VSS=0V.
Table 5
Parameter Symbol Conditions Min. Typ. Max. Unit
Supply voltage (Logic) VDD-VSS 4.75 5.00 5.25 V
Supply voltage (LCD)
(External input)
for E,DB0-DB7,R/W,RS.
for OSC1.
(Logic & LCD)
VLCD
=VDD-V0
V
”H” level 2.2 - VCC V Input signal voltage 1
IH1
V
” L” level -0.3 - 0.6 V
IL1
V
” H” level VCC –1 - VCC V Input signal voltage 2
IH2
V
” L” level -0.2 - 1.0 V
IL2
IDD
VDD =5.0V,
Note1.
Character
4.2 4.6 5.0 V
- 2.0 3.0 mA Supply Current
mode, Note 1
Checker board
- 2.2 3.3 mA
mode, Note 1
Character
- 0.4 0.6 mA Supply Current (LCD) I0
mode, Note 1
Checker board
- 0.4 0.6 mA
mode, Note 1
Supply Voltage of
yellow-green LED04
Backlight
V
LED04
Supply Current
=360mA
3.9 4.1 4.3 V
No. of LED
chips
= 72
Note (1) : There is tolerance in optimum LCD driving voltage during production and it will be within
the specified range.
(MDLS40466D-LV-LED04 YG)
DEC./2001
VL-FS-MDLS40466D-07 REV. A
PAGE 9 OF 11
4.3 Timing Specifications
At Ta = 0 °C To +50 °C , VDD = +5V±5%, VSS = 0V.
Refer to Fig. 2, the bus timing diagram for write mode.
Table 6
Parameter Symbol Min. Max. Unit
E Cycle Time tc 500 - ns
E Rise/Fall Time tR,tF - 20 ns
E Pulse Width(high, low) tW 230 - ns
R/W and RS Setup Time t
40 - ns
SU1
R/W and RS Hold Time tH1 10 - ns
Data Set-up Time t
80 - ns
SU2
Data Hold Time tH2 10 - ns
Refer to Fig. 3, the bus timing diagram for read mode.
Table 7
Parameter Symbol Min. Max. Unit
E Cycle Time tc 500 - ns
E Rise/Fall Time tR,tF - 20 ns
E Pulse Width(high, low) tW 230 - ns
R/W and RS Setup Time tSU 40 - ns
R/W and RS Hold Time tH 10 - ns
Data Output Delay Time tD - 120 ns
Data Hold Time tDH 5 - ns
(MDLS40466D-LV-LED04 YG)
DEC./2001
VL-FS-MDLS40466D-07 REV. A
PAGE 10 OF 11
Figure 2: Write Mode Timing Diagram
Figure 3: Read Mode Timing Diagram
(MDLS40466D-LV-LED04 YG)
DEC./2001
VL-FS-MDLS40466D-07 REV. A
PAGE 11 OF 11
4.4 Timing Diagram of VDD against V0.
Power on sequence shall meet the requirement of Figure 4, the timing diagram
of VDD against V0.
VDD
95%
LOGIC SUPPLY
VOLTAGE
0V
V0
LCD SUPPLY
50ms(typical)
0V
VOLTAGE
Figure 4: Timing diagram of VDD against V0.
“Varitronix Limited reserves the right to change this specification.”
FAX:(852) 2343-9555.
- END -
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