IS01BCE
DISTINCTIVE CHARACTERISTICS
Enhanced LED Illumination with:
• Broad and even light distribution
• Consistent bright backlighting
• Lower energy consumption
Version (1)
Programmable to display graphics, alphanumeric char-
acters and animated sequences.
SMARTDISPLAY can be used alone or in conjunction
with electromechanical switches.
Integrated liquid crystal display provides wide viewing
angle with high contrast and clarity.
Viewing area 13.9mm x 10.6mm (horizontal x vertical)
at 36 x 24 pixels.
Epoxy sealed terminals prevent entry of solder flux and
other contaminants.
Optional accessories available to enhance panel design
and simplify production process.
Built-in yellow LED backlighting enhances display and
enables multifunctional uses.
PRECAUTIONS FOR HANDLING & STORAGE
Handling
ELECTROSTATIC
SENSITIVE DEVICES
ATTENTION
1. The VLC voltage should not be applied before logic voltage. If VLC voltage is present before logic voltage, it may cause the driver
logic to freeze and damage the LCD, and the driver logic itself may become damaged.
2. The IS Series devices are electrostatic sensitive.
3. Recommended soldering time and temperature limits are 5 seconds maximum @ 270°C maximum.
4. Do not exceed 60°C at the LCD level.
5. The IS series devices are not process sealed.
6. If the LCD is accidentally broken, avoid contact with the liquid and wash off any liquid spills to the skin or clothing.
7. Clean cap surface with dry cloth. If further cleaning is needed, wipe with dampened cloth using neutral cleanser and dry with
clean cloth. Do not use organic solvent.
Storage
1. Store away from direct sunlight.
2. Keep away from static electricity.
3. Avoid extreme temperatures, high humidity, gaseous substances, and all forms of chemical contamination.
NKK Switches • email: smartswitch@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkksmartswitch.com
1
SMARTDISPLAY
LCD SPECIFICATIONS
Characteristics of Display
Display Operation Mode
Display Condition
Viewing Angle
Driving Method
Viewing Area
Pixel Format
Pixel Size
Operating Temperature Range
Storage Temperature Range
Backlight LED
STN positive
Adjustable
TM
Transflective with built-in LED backlight
1/24 duty. 1/5 bias (built-in driving circuit)
13.9mm x 10.6mm (horizontal x vertical)
36 x 24 dots (horizonal x vertical)
0.32mm x 0.32mm (horizontal x vertical)
0°C through 40°C (32°F through 104°F)
–10°C through 60°C (14°F through 140°F)
Yellow
Yellow LED
with Yellow LCD Mode
Absolute Maximum Ratings
(Temperature at 25°C)
Items
Supply Voltage for Logics
Supply Voltage for LCD
Input Voltage
Output Voltage
Symbols
V
DD
V
LC
V
I
V
O
Ratings
– 0 .3V to +7.0V
– 0 .3V to +12.0V
– 0.3V to V
DD
+0.3V
– 0 .3V to V
DD
+0.3V
Recommended Operating Conditions
(Temperature at 25°C)
Items
Supply Voltage for Logics
Supply Voltage LCD
Input Voltage
Driving Frequency
Symbols
V
DD
V
L C
V
I
f
FLM
Minimum
4.5V
––
0V
––
Typical
5.0V
7.3V
––
150Hz
Maximum
5.5V
––
V
DD
––
DC Characteristics of LCD Drive IC
(Temperature at 0°C to 40°C and V
D D
= 5.0V ±10%)
Items
High Level Input Voltage
Low Level Input Voltage
High Level Input Leakage Current
Low Level Input Leakage Current
High Level Output Voltage
Low Level Output Voltage
High Level Output Leakage Current
Low Level Output Leakage Current
Supply Current
LCD Drive Current
Symbols
V
IH
V
IL
I
L IH
I
LIL
V
OH
V
OL
I
L OH
I
L OL
I
DD
I
LC
V
I
= V
DD
V
I
= 0V
I
OH
= – 500μA
I
OL
= 500μA
V
O
= V
D D
V
O
= 0V
f
SC P
= 1.0MHz
f
LP
= 2.4kHz V
LC
= 7.3V
500
V
DD
–0. 5
0.5
10
–10
500
2,000
Test Conditions
Minimum
0.7V
DD
0
Typical
Maximum
V
DD
0.3 V
DD
10
–10
Unit
V
V
μA
μA
V
V
μA
μA
μA
μA
Timing Characteristics of LCD Drive IC
(Temperature at 0°C to 40°C and V
DD
= 5.0V ±10%)
Items
Clock Operation Frequency
Latch Pulse Frequency
Clock High Level Pulse Width
Clock Low Level Pulse Width
Data Setup Time
Data Hold Time
Data Output Delay Time
Latch Setup Time
Latch Hold Time
Latch High Level Width
FLM Setup Time
FLM Hold Time
SCP, LP Rise/Fall Time
Symbols
f
S CP
f
LP
t
CWH
t
CWL
t
DS D
t
DHD
t
PDO
t
DS L
t
DHL
t
LW H
t
DS F
t
DHF
t
r
/t
f
50ns
50ns
200ns
50ns
50ns
15ns
70ns
70ns
45ns
50ns
25ns
Minimum
Maximum
6.0MHz
50kHz
Timing Diagram
t
r
SCP
Din
Dout
LP
FLM
t
CWH
t
CWL
t
DSD
t
DHD
t
PDO
*1
*2
t
f
t
DSL
t
r
*3
t
LWH
t
DSF
*1 Last data on first line
*2 Beginning data on second line
*3 Location of LP signal on first line
t
DHL
t
f
t
DHF
NKK Switches • email: smartswitch@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkksmartswitch.com
2
SMARTDISPLAY
12
1
4
TM
BLOCK DIAGRAM & PIN CONFIGURATIONS
NC
V
LC
V
DD
FLM
SCP
LP
D 24bit
CK Shift Register
Com1
Common Driver
36 x 24 Dot Matrix
LCD Panel
Com24
seg1
seg36
9
6
Timing Control
Segment Driver
7
CK
40bit Latch
5
3
Din
GND
CK 40bit
D Shift RegisterQ
11
Dout
10
BL-LED (+)
8
2
BL-LED ( )
–
NC
Pin No.
1
2
3
4
5
Symbol
V
LC
NC
GND
V
DD
Din
Name
Power
None
Ground
Power
Data Input
Function
Power source for LCD drive
No connection
Power source for logic circuit
Display serial data bit. Note: to map the display data, because of the difference between the
number of internal shift register data (40) and the single line of LCD pixels (36), the first four
bits of data shifted will be dummy bits.
Clock used by 40-bit internal shift register of the switch, shifting the display data bit presented
at Din at falling edge.
Line data latch pulse will latch content of internal 40-bit shift register at falling edge for one
line of display. LP will also increment the display line by one.
Cathode
The marking signal for the first line data of LCD display. The first line of LCD will be selected
by the falling edge of LP signal during the high level (FLM).
Anode for common
Display serial output. Can be used to connect to Din of the next SMARTDISPLAY. As a result,
many SMARTDISPLAYS can be controlled with one clock and data signal.
No connection
6
7
8
9
10
11
12
SCP
LP
BL-LED (–)
FLM
BL-LED (+)
Dout
NC
Serial Clock Pulse
Latch Pulse
Terminal of Backlight LED
First Line Marker
Terminal of Backlight LED
Data Output
None
NKK Switches • email: smartswitch@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkksmartswitch.com
3
SMARTDISPLAY
Backlight Color
Forward Current
Forward Voltage
Symbols
I
F
V
F
TM
SUPER BRIGHT LED SPECIFICATIONS
Typical Electrical Characteristics
(Temperature at 25°C)
Yellow
15
2.2
Unit
mA
V
ABSOLUTE MAXIMUM FOR LEDS
Electrical Characteristics
(Temperature at 25°C)
Backlight Color
Forward Current
Reverse Voltage
Current Reduction Rate Above 25°C
Power Dissipation*
Symbols
I
F
V
R
∆I
F
(D C )
P
D
Yellow
20
4.0
– 0.26
130 maximum
Unit
mA
V
mA/°C
mW
*For uniform light emission, Power Dissipation should not exceed the Absolute Maximum Rating.
TYPICAL DISPLAY DIMENSIONS
See
Pixel Detail
(13.9)
.547
(12.57)
.495
(3.7)
.146
(0.4) Typ
.016
(0.8) Dia
.031
(10.0)
.394
(0.65) Typ
.026
Key
2
1
(10.7)
.421
(17.2)
.677
(8.37)
.3295 (10.6)
.417
(2.0) Typ (16.8)
.079
.661
(0.5) Sq Typ
.020
(8.6)
.339
(9.9)
.390
(0.7) Typ
.028
(3.0)
.118
12
11
(10.0)
.394
(14.7)
.579
Part No.
(14.4)
.567
(17.8)
.701
(2.0)
.079
(15.0)
.591
(2.0) Typ
.079
Terminal numbers are not on the device.
3x (0.9) Dia
.035
Landless
2
(0.32) Sq
.013
(0.03) Typ
.001
1
C
L
(10.0)
.394
(2.0) Typ
.079
11
(14.7) (16.8)
.579 .661
12
(2.0)
.079
(10.0)
.394
(15.0)
.591
16x (0.9) Dia
.035
Pixel Detail
Footprint
NKK Switches • email: smartswitch@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkksmartswitch.com
4
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