Q68000-A8640 [ETC]
LED DISPLAY ALPHANUMERIC ; LED显示字母数字\n
| 型号： | Q68000-A8640 |
| 厂家： | 
ETC |
| 描述： | LED DISPLAY ALPHANUMERIC
|
| 文件： | 总5页 (文件大小：207K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RED SLR2016
HIGH EFFICIENCY RED SLO2016
GREEN SLG2016
YELLOW SLY2016
X/Y Stackable.180” 4-Character 5x7 Dot Matrix
Alphanumeric IntelligentDisplay
with Memory/Decoder/Driver
Package Dimensions in inches (mm)
0.197 ( 3 pl.)
(5.00)
0.012 (.3)
±.002 (.05)
0.100
(2.54)
0.180
(4.57)
0.400 ±.015
(10.16 ±.38)
0.300 ±.020
(7.62 ±.51)
0.784 (19.91)
Part Number
0.150
(3.81)
EIA Date Code
Luminous
Intensity
Code
SLX2016
SIEMENS
0.200
(5.08)
XXYY
Z
FEATURES
0.160 ±.020
(4.06 ±.51)
Pin 1
Indicator
• Very Close Multi-line Spacing, 0.4" Centers
• 0.180" 5x7 Dot Matrix Characters
• 128 Special ASCII Characters for English, Ger-
man, Italian, Swedish, Danish, and Norwegian
Languages
0.018 (.46)
.100 (2.54)
Non-cumulative (12 pl.)
Tolerance: ±.010 (.25)
• Wide Viewing Angle: X axis 50° Maximum,
Y Axis ±75° Maximum
DESCRIPTION
The SLR/SLO/SLG/SLY2016 is a four digit 5x7 dot matrix display mod-
ule with a built-in CMOS integrated circuit. This display is X/Y stack-
able.
• Fast Access Time, 110 ns at 25°C
• Full Size Display for Stationary Equipment
• Built-in Memory
The integrated circuit contains memory, a 128 ASCII ROM decoder,
multiplexing circuitry and drivers. Data entry is asynchronous. A dis-
play system can be built using any number of SLR/SLO/SLG/SLY2016
since each digit can be addressed independently and will continue to
display the character last stored until replaced by another.
• Built-in Character Generator
• Built-in Multiplex and LED Drive Circuitry
• Direct Access to Each Digit Independently
and Asynchronously
• Clear Function that Clears Character Memory
• True Blanking for Intensity Dimming Applica-
tions
System interconnection is very straightforward. Two address bits (A0,
A1) are normally connected to the like-named inputs of all displays in
the system.
• End-stackable, 4-character Package
• Intensity Coded for Display Uniformity
• Extended Operating Temperature Range:
–40°C to +85°C
Data lines are connected to all SLR/SLO/SLG/SLY2016s directly and in
parallel as is the write line (WR). The display will then behave as a
write-only memory.
The SLR/SLO/SLG/SLY2016 has several features superior to competi-
tive devices. 100% burn-in processing insures that the SLR/SLO/SLG/
SLY2016 will function in more stressful assembly and use environ-
ments. True “blanking” allows the designer to dim the display for more
flexibility of display presentation. Finally the CLR clear function will
clear the ASCII character RAM.
• Superior ESD Immunity
• 100% Burned-in and Tested
• Wave Solderable
• TTL Compatible over Operating Temperature
Range
—Continued
See Appnotes 18, 19, 22, and 23 for additional information.
2–212
Description (Continued)
Figure 1.Top view
14 13 12 11 10
The character set consists of 128 special ASCII characters
for English, German, Italian, Swedish, Danish, and Norwe-
gian.
9
8
All products are 100% burned-in and tested, then subjected
to out-going AQL’s of .25% for brightness matching, visual
alignment and dimensions, .065% for electrical and func-
tional.
Digit3
1
Digit2
3
Digit1 Digit0
Maximum Ratings
2
4
5
6
7
DC Supply Voltage ....................................–0.5 V to +7.0 Vdc
Input Voltage, Respect to GND
(all inputs) ...................................... –0.5 V to V +0.5 Vdc
Pin Function
CC
Operating Temperature ................................. –40°C to +85°C
Storage Temperature ................................... –40°C to +100°C
Relative Humidity at 85°C................................................ 85%
Maximum Solder Temperature, 0.063" (1.59 mm)
Pin
Function
WR Write
A1 Digit Select
Pin
Function
1
2
3
4
5
6
7
8
9
D3 Data
below Seating Plane, t<5 sec ...................................260 °C
D4 Data
Optical Characteristics
Spectral Peak Wavelength
Red ...................................................................660 nm typ.
HER ..................................................................635 nm typ.
Green ...............................................................565 nm typ.
Yellow ...............................................................585 nm typ.
A0 Digit Select 10
D5 Data
V
11
12
13
14
D6 Data
CC
D0 Data
D1 Data
D2 Data
BL Display Blank
CLR Clear
GND
Digit Height.................................................. 0.180" (4.57 mm)
(1)
Time Averaged Luminous Intensity at V =5 V
CC
Red............................................................ 50 µcd/LED min.
HER/Yellow................................................ 60 µcd/LED min.
Green ........................................................ 75 µcd/LED min.
Figure 2.Timing characteristics
Write Cycle waveforms
LED to LED Intensity Matching, V =5 V............1.8:1.0 max.
Viewing Angle (off normal axis)
Horizontal ........................................................... ±50° max.
Vertical . ............................................................. ±75° max.
CC
A0 – A1
CLR
2.0 V
0.8 V
T
AH
T
AS
2.0 V
0.8 V
Note 1: Peak luminous intensity values can be calculated by
multiplying these values by 7.
D0 – D6
WR
T
DS
T
DH
2.0 V
0.8 V
DC Characteristics at 25°C
Parameter
Min. Typ. Max. Units Condition
T
W
T
ACC
V
4.5 5.0 5.5
2.3 3.0
V
CC
I
Blank
mA
V
=5.0 V
=5.0 V
CC
CC
I
CC
80
105 mA
V
CC
(80 dots on)
V
IL
0.8
V
V
4.5 V <V <5.5 V
CC
(all inputs)
V
IH
2.0
25
4.5 V <V <5.5 V
CC
(all inputs)
I
4.5 V <V <5.5 V,
CC
IL
100 µA
(all inputs)
V =0.8 V
IN
SLR/SLO/SLG/SLY2016
2–213
Figure 3a. Flashing (blanking) timing
AC Characteristics Guaranteed Minimum Timing
Parameters at V =5.0 V ±0.5 V
CC
Parameter
Symbol –40°C +25°C +85°C Unit
Address Set
Up Time
Blanking Pulse Width
≈50% Duty Factor
T
10
60
20
10
70
30
10
90
50
ns
ns
ns
AS
Write Time
T
W
~
500 ms
~
Data Set Up
Time
~
2 Hz Blanking Frequency
~
T
DS
Address Hold
Time
Display Blanking
T
20
30
40
ns
AH
Blank the display by loading a blank or space into each digit
of the display or by using the (BL) display blank input. Setting
the (BL) input low does not affect the contents of data mem-
ory.
Data Hold Time
Access Time
T
20
90
30
40
ns
ns
DH
(1)
T
110
140
ACC
Clear Disable
Time
T
1
1
1
1
1
1
µs
CLRD
A flashing circuit can easily be constructed using a 555
astable multivibrator. Figure 3 illustrates a circuit in which
varying R1 (100K~10K) will have a flash rate of 1 Hz~10 Hz.
Clear Time
T
ms
CLR
Note: T
ACC
=Set Up Time + Write Time + Hold Time
The display can be dimmed by pulse width modulating the
(BL) at a frequency sufficiently fast to not interfere with the
internal clock. The dimming signal frequency should be 2.5
KHz or higher. Dimming the display also reduces power con-
sumption.
Loading Data
The desired data code (D0–D6) and digit address (A0, A1)
must be held stable during the write cycle for storing new
data.
Data entry may be asynchronous. Digit 0 is defined as right
hand digit with A1=A2=0.`
An example of a simple dimming circuit using a 556 is illus-
trated in Figure 4. Adjusting potentiometer R3 will dim the dis-
play by changing the blanking pulse duty cycle.
Clearing the entire internal four-digit memory can be accom-
plished by holding the clear (CLR) low for 1 msec minimum.
The clear function will clear the ASCII RAM. Loading an ille-
gal data code will display a blank.
Figure 4. Dimming circuit using a 556
V
=5.0 V
CC
Dimming (Blanking)
Control
R2
47 KΩ
Typical Loading State Table
R3
500 KΩ
Digit
14
13
12
11
10
9
1
2
3
4
5
6
7
R1
200Ω
WR A1 A0 D6 D5 D4 D3 D2 D1 D0
3
2
1
0
C2
0.01 µF
H
L
L
L
L
L
L
L
previously loaded display
G
G
G
G
B
B
B
R
R
R
L
L
L
L
E
E
U
U
U
E
E
Y
E
C3
1000 pF
556
Dual Timer
L
L
H
H
L
L
X
L
H
H
H
H
H
H
L
L
L
L
L
L
L
H
L
L
L
H
L
L
H
L
L
L
H
H
H
L
L
L
L
H
L
H
H
H
L
H
L
E
E
C4
0.01 µF
H
H
L
L
E
H
H
H
H
E
C1
To BL Pin
on Display
4700 pF
W
8
X
see character code
see char. set
Figure 4a. Dimming (blanking) timing
Figure 3. Flashing circuit using a 555
1
V
CC
=5.0 V
0
Blanking Pulse Width
4 µs min., 196 µs max.
~
200 µs
~
R1
4.7 KΩ
~
5 KHz Blanking Frequency
~
8
7
6
5
1
2
3
4
555
Timer
R2
100 KΩ
To BL
Pin on
Display
C3
10 µF
C4
0.01 µF
SLR/SLO/SLG/SLY2016
2–214
Character Set
D0
0
0
0
0
0
1
0
0
0
1
0
1
0
0
2
1
1
0
0
3
0
0
1
0
4
1
0
1
0
5
0
1
1
0
6
1
1
1
0
7
0
0
0
1
8
1
0
0
1
9
0
1
1
1
0
1
B
0
0
1
1
C
1
0
0
1
1
1
E
1
1
1
1
F
D1
D2
D3
ASCII
CODE
0
1
1
1
D6 D5 D4 HEX
A
D
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
2
3
4
5
6
7
1. High=1 level. 2. Low=0 level. 3. Upon power up, device will initialize in a random state.
Figure 5. Block diagram
Display
Rows 0 to 6
3
2
1
0
Row Control Logic
&
Columns 0 to 19
Row Drivers
Timing and Control Logic
7
÷
128
÷
OSC
Counter
Counter
CLR
Row Decoder
RAM Read Logic
Display Output Logic
D6
7 Bit ASCII Code
D5
D4
D3
D2
D1
D0
ROM
Column Data
RAM
Memory
128 X 7 Bit ASCII
Character Decode
(4.48K Bits)
4 X 7 Bit
Address
Bus
BL
WR
A0
A1
Write
Address
Decoder
SLR/SLO/SLG/SLY2016
2–215
Design Considerations
For further information refer to Siemens Appnotes 18 and 19.
For details on design and applications of the SLX2016 in
multiple display systems, refer to Appnote 15 in the current
Siemens Optoelectronics Data Book.
An alternative to soldering and cleaning the display modules
is to use sockets. Standard pin DIP sockets .300" wide with
.100" centers work well for single displays. Multiple display
assemblies are best handled by longer SIP sockets or DIP
sockets when available for uniform package alignment.
Socket manufacturers are Aries Electronics, Inc., French-
town, NJ; Garry Manufacturing, New Brunswick, NJ; Robin-
son-Nugent, New Albany, IN; and Samtec Electronic
Hardware, New Albany, IN.
Electrical & Mechanical Considerations
Voltage Transient Supression
We recommend that the same power supply be used for the
display and the components that interface with the display to
avoid logic inputs higher than V . Additionally, the LEDs
CC
may cause transients in the power supply line while they
change display states. The common practice is to place .01
For further information refer to Siemens Appnote 22.
Optical Considerations
mF capacitors close to the displays across V and GND,
CC
one for each display, and one 10 µF capacitor for every sec-
ond display.
The .180" high characters of the SLX2016 gives readability
up to eight feet. Proper filter selection enhances readability
over this distance.
ESD Protection
Filters enhance the contrast ratio between a lit LED and the
character background intensifying the discrimination of differ-
ent characters.The only limitation is cost. Take into consider-
ation the ambient lighting environment for the best cost/
benefit ratio for filters.
The CMOS IC of the SLX2016 is resistant to ESD damage
and capable of withstanding discharges less than 2 KV.
However, take all the standard precautions, normal for
CMOS components. These include properly grounding per-
sonnel, tools, tables, and transport carriers that come in con-
tact with unshielded parts. If these conditions are not, or
cannot be met, keep the leads of the device shorted together
or the parts in anti-static packaging.
Incandescent (with almost no green) or fluorescent (with
almost no red) lights do not have the flat spectral response of
sunlight. Plastic band-pass filters are an inexpensive and
effective way to strengthen contrast ratios.The SLR2016 is a
standard red display and should be matched with long wave-
length pass filter in the 600 nm to 620 nm range.
Soldering Considerations
The SLX2016 can be hand soldered with SN63 solder using
a grounded iron set to 260°C.
The SLO2016 is a high efficiency red display and should be
matched with a long wavelength pass filter in the 470 nm to
590 range. The SLG/SLY2016 should be matched with a yel-
low-green band-pass filter that peaks at 565 nm. For displays
of multiple colors, neutral density gray filters offer the best
compromise.
Wave soldering is also possible following these conditions:
Preheat that does not exceed 93°C on the solder side of the
PC board or a package surface temperature of 85°C. Water
soluble organic acid flux (except carboxylic acid) or resin-
based RMA flux without alcohol can be used.
Wave temperature of 245°C ±5°C with a dwell between 1.5
sec. to 3.0 sec. Exposure to the wave should not exceed
temperatures above 260°C for five seconds at 0.063" below
the seating plane. The packages should not be immersed in
the wave.
Additional contrast enhancement is gained by shading the
displays. Plastic band-pass filters with built-in louvers offer
the next step up in contrast improvement. Plastic filters can
be improved further with anti-reflective coatings to reduce
glare. The trade-off is fuzzy characters. Mounting the filters
close to the display reduces this effect. Take care not to over-
heat the plastic filter by allowing for proper air flow.
Post Solder Cleaning Procedures
The least offensive cleaning solution is hot D.I. water (60°C)
for less than 15 minutes. Addition of mild saponifiers is
acceptable. Do not use commercial dishwasher detergents.
Optimal filter enhancements are gained by using circular
polarized, anti-reflective, band-pass filters. Circular polariz-
ing further enhances contrast by reducing the light that trav-
els through the filter and relfects back off the display to less
than 1%.
For faster cleaning, solvents may be used. Carefully select
any solvent as some may chemically attack the nylon pack-
age. Maximum exposure should not exceed two minutes at
elevated temperatures. Acceptable solvents are TF (tri-
chorotrifluorethane), TA, 111 Trichloroethane, and unheated
acetone.
Several filter manufacturers supply quality filter materials.
Some of them are: Panelgraphic Corporation, W. Caldwell,
NJ; SGL Homalite, Wilmington, DE; 3M Company, Visual
Products Division, St. Paul, MN; Polaroid Corporation, Polar-
izer Division, Cambridge, MA; Marks Polarized Corporation,
Deer Park, NY, Hoya Optics, Inc., Fremont, CA.
Note: Acceptable commercial solvents are: Basic TF, Arklone, P.
Genesolv, D. Genesolv DA, Blaco-Tron TF, Blaco-Tron TA,
and Freon TA.
Unacceptable solvents contain alcohol, methanol, methylene
chloride, ethanol, TP35, TCM, TMC, TMS+, TE, or TES.
Since many commercial mixtures exist, contact a solvent
vendor for chemical composition information. Some major
solvent manufacturers are: Allied Chemical Corportation,
Specialty Chemical Division, Morristown, NJ; Baron-
Blakeslee, Chicago, IL; Dow Chemical, Midland, MI; E.I.
DuPont de Nemours & Co., Wilmington, DE.
One last note on mounting filters: recessing displays and
bezel assemblies is an inexpensive way to provide a shading
effect in overhead lighting situations. Several Bezel manufac-
turers are: R.M.F. Products, Batavia, IL; Nobex Components,
Griffith Plastic Corp., Burlingame, CA; Photo Chemical Prod-
ucts of California, Santa Monica, CA; I.E.E.-Atlas, Van Nuys,
CA.
Refer to Siemens Appnote 23 for further information.
SLR/SLO/SLG/SLY2016
2–216
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