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HDSP-078x
Glass/Ceramic Numeric and Hexadecimal Displays for Industrial Applications
Data Sheet
HDSP-078x, HDSP-079x HDSP-088x, HDSP-098x
Description These standard solid state displays have a 7.4 mm (0.29 inch) dot matrix character and an on-board IC with data memory latch/decoder and LED drivers in a glass/ceramic package. The hermetic HDSP-078x,-079x/-088x displays utilize a solder glass frit seal. The HDSP-098X displays utilize an epoxy glass-to-ceramic seal. The numeric devices decode positive BCD logic into characters "0-9," a "-" sign, decimal point, and a test pattern. The hexadecimal devices decode positive BCD logic into 16 characters, "0-9, A-F." An input is provided on the hexadecimal devices to blank the display (all LEDS off) without losing the contents of the memory. The over range device displays "1" and right hand decimal point and is typically driven via external switching transistors. Features * Three character options Numeric, hexadecimal, over range * Three colors High Efficiency Red, Yellow, High Performance Green * 4 x 7 dot matrix character * High Efficiency Red, Yellow and High Performance Green * Two high efficiency red options Low power, high brightness * Performance guaranteed over temperature * High temperature stabilized * Memory latch/decoder/driver TTL compatible * Categorized for luminous intensity
Devices Part Number HDSPColor 0781 High-Efficiency Red 0782 Low Power 0783 0784 0791 High-Efficiency Red 0792 High Brightness 0793 0794 0881 Yellow 0882 0883 0884 0981 High-Performance 0982 Green 0983 0984
Description Numeric, Right Hand DP Numeric, Left Hand DP Over Range 1 Hexadecimal Numeric, Right Hand DP Numeric, Left Hand DP Over Range 1 Hexadecimal Numeric, Right Hand DP Numeric, Left Hand DP Over Range 1 Hexadecimal Numeric, Right Hand DP Numeric, Left Hand DP Over Range 1 Hexadecimal
Front View A B C D A B C D A B C D A B C D
Package Dimensions
FRONT VIEW A
10.2 MAX. (0.400)
FRONT VIEW B
10.2 MAX. (0.400)
FRONT VIEW D
10.2 MAX. (0.400)
1.5 (0.06) 7.4 (0.29) 13.5 5.6 (0.53) (0.22) 5
1.5 (0.06) 5.6 (0.22) 7.4 (0.29) 13.5 (0.53) 7.4 (0.29)
1.5 (0.06) 13.5 (0.53)
5
5
3.0 (0.12) 4.8 (0.19)
3.6 (0.14) 4.8 (0.19) 4.8 (0.19)
REAR VIEW
5 6 7 8 COLOR CODE(3) LUMINOUS INTENSITY CATEGORY DATE CODE PIN 1 KEY COUNTRY CODE 4 3 2 1
SIDE VIEW
0-10 SEATING PLANE 15.2 (0.600) SEATING PLANE 0.3 0.08 TYP. (0.012 0.003) 2.8 (0.11) 4.3 (0.17)
END VIEW
3.8 (0.15) 1.5 (0.06)
XZ 10.2 (0.400) HDSP XXXX YYWW SYYWW
3.4 (0.135)
1.3 TYP. (0.050)
0.5 0.08 TYP. (0.020 0.003) 2.5 0.13 TYP. (0.100 0.005)
FUNCTION PIN 1 2 3 4 5 6 7 8 NUMERIC Input 2 Input 4 Input 8 Decimal Point Latch Enable Ground VCC Input 1 HEXADECIMAL Input 2 Input 4 Input 8 Blanking Control Latch Enable Ground VCC Input 1
NOTES: 1. DIMENSIONS IN MILLIMETERS AND (INCHES). 2. UNLESS OTHERWISE SPECIFIED, THE TOLERANCE ON ALL DIMENSIONS IS 0.38 mm ( 0.015 INCH). 3. DIGIT CENTER LINE IS 0.25 mm ( 0.01 INCH) FROM PACKAGE CENTER LINE. 4. COLOR CODE FOR HDSP-088X/-098X SERIES.
2
tSETUP DATA INPUT (LOW LEVEL DATA) 1.5 V
tHOLD
1.5 V
TRUTH TABLE BCD DATA[1] NUMERIC HEXADECIMAL
DATA INPUT (HIGH LEVEL DATA) ENABLE INPUT 1.5 V
X8
1.5 V tTLH 1.5 V 90% 1.5 V
X4 L L L L H H H H L L L L H H H H
X2 L L H H L L H H L L H H L L H H
X1 L H L H L H L H L H L H L H L H
L L L L
tW
10%
L L
Figure 1. Timing diagram.
L L H H H H
(BLANK) (BLANK) **** (BLANK) (BLANK) VDP = L VDP = H VE = L VE = H VB = L VB = H
VCC ENABLE
7 5
H H
LOGIC INPUT DP(2)
8 1 2 3 4
X1 X2 X4 X8 DP
H H
LATCH MEMORY
MATRIX DECODER
DECIMAL PT.[2] ENABLE[1] BLANKING[3]
ON OFF LOAD DATA LATCH DATA DISPLAY-ON DISPLAY-OFF
DP
BLANKING(3) CONTROL
4
LED MATRIX DRIVER
LED MATRIX
NOTES: 1. H = LOGIC HIGH; L = LOGIC LOW. WITH THE ENABLE INPUT AT LOGIC HIGH, CHANGES IN BCD INPUT LOGIC LEVELS HAVE NO EFFECT UPON DISPLAY MEMORY, DISPLAYED CHARACTER, OR DP. 2. THE DECIMAL POINT INPUT, DP, PERTAINS ONLY TO THE NUMERIC DISPLAYS. 3. THE BLANKING CONTROL INPUT, B, PERTAINS ONLY TO THE HEXADECIMAL DISPLAYS. BLANKING INPUT HAS NO EFFECT UPON DISPLAY MEMORY.
GROUND
6
Figure 2. Block diagram.
3
Absolute Maximum Ratings Description Storage Temperature, Ambient HDSP-078x/-079x/-088x HDSP-098x Operating Temperature, Ambient[1] Supply Voltage[2] Voltage Applied to Input Logic, dp and Enable Pins Voltage Applied to Blanking Input[2] Soldering Temperature [1.59 mm (0.063 inch) Below Body] Solder Dipping, max 5 seconds Wave Soldering, max. 3 seconds
Symbol TS TA VCC VI, VDP, VE VR
Min. -65 -55 -55 -0.5 -0.5 -0.5
Max. +125 +100 +100 +7.0 VCC VCC 260 250
Unit C C V V V C
Recommended Operating Conditions Description Supply Voltage[2] Operating Temperature, Ambient[1] Enable Pulse Width Time Data Must Be Held Before Positive Transition of Enable Line Time Data Must Be Held After Positive Transition of Enable Line Enable Pulse Rise Time
Symbol VCC TA tW tSETUP tHOLD tTLH
Min. 4.5 -55 100 50 50
Nom. 5.0
Max. 5.5 +100
1.0
Unit V C nsec nsec nsec msec
Optical Characterstics at TA = 25C, VCC = 5.0 V Device Description HDSP-078x Series Luminous Intensity per LED (Digit Average)[3,4] Peak Wavelength Dominant Wavelength[5] HDSP-079x Series Luminous Intensity per LED (Digit Average)[3,4] Peak Wavelength Dominant Wavelength[5] HDSP-088x Series Luminous Intensity per LED (Digit Average)[3,4] Peak Wavelength Dominant Wavelength[5,6] HDSP-098x Series Luminous Intensity per LED (Digit Average)[3,4] Peak Wavelength Dominant Wavelength
Symbol IV lPEAK ld IV lPEAK ld lV lPEAK ld IV lPEAK ld
Min. 65
Typ. 140 635 626 620 635 626 490 583 585 1100 568 574
Max.
Unit cd nm nm cd nm nm cd nm nm cd nm nm
260
215
298
Notes: 1. The nominal thermal resistance of a display mounted in a socket that is soldered onto a printed circuit board is RqJA = 50C/W/device. The device package thermal resistance is RqJ-PIN = 15C/W/device. The thermal resistance device pin-to-ambient through the PC board should not exceed 35C/W/device for operation up to TA = +100C. 2. Voltage values are with respect to device ground, pin 6. 3. These displays are categorized for luminous intensity with the intensity category designated by a letter code located on the back of the display package. Case temperature of the device immediately prior to the light measurement is equal to 25C.
4
Electrical/Optical Characteristics TA = -55C to +100C Description Supply HDSP-078x Series Current HDSP-079x/-088x/-098x Series Power HDSP-078x Series Dissipation HDSP-079x/-088x/-098x Series Logic, Enable and Blanking Low-Level Input Voltage Logic, Enable High-Level Input Voltage Blanking High-Voltage; Display Blanked Logic and Enable Low-Level Input Current Blanking Low-Level Input Current Logic, Enable and Blanking High-Level Input Current Weight Leak Rate
Symbol ICC
Test Conditions VCC = 5.5 V Characters "5." or "B" displayed VCC = 5.5 V Characters "5." or "B" displayed VCC = 4.5 V
Min.
Typ.[7] 78 120 390 690
Max. 105 175 573 963 0.8
Unit mA
PT
mW
VIL VIH VBH IIL IBL IIH
V V V mA A A gm cc/sec
2.0 2.3 VCC = 5.5 V VIL = 0.4 V VCC = 5.5 V VIH = 2.4 V 1.0 5 x 10-8 -1.6 -10 +40
Notes: 4. The luminous intensity at a specific operating ambient temperature, Iv(TA), may be approximated from the following exponential equation: Iv(TA) = Iv(25C) e[k(TA-25C)]. Device HDSP-078 Series HDSP-079x Series HDSP-088x Series HDSP-098x Series K -0.0131/C -0.0112/C -0.0104/C
5. The dominant wavelength, ld, is derived from the CIE chromaticity diagram and represents the single wavelength which defines the color of the device. 6. The HDSP-088X and HDSP-098X series devices are categorized as to dominant wavelength with the category designated by a number on the back of the display package. 7. All typical values at VCC = 5.0 V and TA = 25C.
Operational Considerations
Electrical These devices use a modified 4 x 7 dot matrix of light emitting diodes to display decimal/hexadecimal numeric information. The high efficiency red and yellow displays use GaAsP/GaP LEDs and the high performance green displays use GaP/GaP LEDs. The LEDs are driven by constant current drivers, BCD information is accepted by the display memory when the enable line is at logic low and the data is latched when
the enable is at logic high. Using the enable pulse width and data setup and hold times listed in the Recommended Operating Conditions allows data to be clocked into an array of displays at a 6.7 MHz rate. The decimal point input is active low true and this data is latched into the display memory in the same fashion as the BCD data. The decimal point LED is driven by the on-board IC.
The blanking control input on the hexadecimal displays blanks (turns off) the displayed information without disturbing the contents of display memory. The display is blanked at a minimum threshold level of 2.0 volts. When blanked, the display standby power is nominally 250 mW at TA = 25C. The ESD susceptibility of the IC devices is Class A of MIL-STD-883 or Class 2 of DOD-STD-1686 and DOD-HDBK-263.
5
Mechanical These displays are hermetically sealed for use in environments that require a high reliability device. These displays are designed and tested to meet a helium leak rate of 5 x 10-8 cc/sec. These displays may be mounted by soldering directly to a printed circuit board or insertion into a socket. The lead-to-lead pin spacing is 2.54 mm (0.100 inch) and the lead row spacing is 15.24 mm (0.600 inch). These displays may be end stacked with 2.54 mm (0.100 inch) spacing between outside pins of adjacent displays. Sockets such as Augat 324-AG2D (3 digits) or Augat 508-AG8D (one digit, right angle mounting) may be used.
The primary thermal path for power dissipation is through the device leads. Therefore, to insure reliable operation up to an ambient temperature of +100 C, it is important to maintain a base-to-ambient thermal resistance of less than 35 C watt/device as measured on top of display pin 3. For further information on soldering and post solder cleaning, see Application Note 1027, Soldering LED Components. Preconditioning These displays are 100% preconditioned by 24 hour storage at 125 C, at 100 C for the HDSP-098x Series.
Contrast Enhancement These display devices are designed to provide an optimum ON/OFF contrast when placed behind an appropriate contrast enhancement filter. For further information on contrast enhancement, see Application Note 1015, Contrast Enhancement for LED Displays. Over Range Display The over range devices display "1" and decimal point. The character height and package configuration are the same as the numeric and hexadecimal devices. Character selection is obtained via external switching transistors and current limiting resistors.
Absolute Maximum Ratings Description Storage Temperature, Ambient Operating Temperature, Ambient Forward Current, Each LED Reverse Voltage, Each LED
Symbol TS TA IF VR
Min -65 -55
Max +125 +100 10 5
Unit C C mA V
6
Package Dimensions
FRONT VIEW C
10.2 MAX. (0.400) 8 7 6 5 1.5 (0.06) 7.4 (0.29) 4.8 (0.19) 4.8 (0.19) 5 1.9 (0.075) 1 2 3 4 3.3 (0.13) 13.5 (0.53) PIN 1 2 3 4 5 6 7 8 FUNCTION Plus Numeral One Numeral One DP Open Open VCC Minus/Plus
Pin Character + - 1 Decimal Point Blank 1 1 0 X X 0 2,3 X X 1 X 0 4 X X X 1 0 8 1 1 X X 0
NOTE: DIMENSIONS IN MILLIMETERS AND (INCHES).
Notes: 0: Line switching transistor in Figure 7 cutoff. 1: Line switching transistor in Figure 7 saturated. X: `don't care.'
#7 VCC = 5.0 V NUMERAL ONE d.p. MINUS PLUS PLUS
#3 R1
#2 R2
#4 R1
#8 R3
#1 R3
Figure 3. Typical driving circuit.
Luminous Intensity per LED (Digit Average) at TA = 25C Device Test Conditions HDSP-0783 IF = 2.8 mA IF = 8 mA HDSP-0883 IF = 8 mA HDSP-0983 IF = 8 mA
Min. 65 215 298
Typ. 140 620 490 1100
Units cd cd cd cd
Recommended Operating Conditions VCC = 5.0 V Device HDSP-0783 HDSP-0883 HDSP-0983 7 Forward Current Per LED, mA 2.8 8 8 8 Resistor Value R1 R2 1300 200 360 47 360 36 360 30 R3 300 68 56 43
Low Power High Brightness
Electrical Characteristics TA = -55C to +100C Device Description HDSP-0783 Power Dissipation (All LEDs Illuminated) Forward Voltage per LED HDSP-0883 HDSP-0883 Power Dissipation (All LEDs Illuminated) Forward Voltage per LED Power Dissipation (All LEDs Illuminated) Forward Voltage per LED
Symbol PT VF PT VF PT VF
Test Conditions IF = 2.8 mA IF = 8 mA IF = 2.8 mA IF = 8 mA IF = 8 mA IF = 8 mA
Min.
Typ. 72 224 1.6 1.75 237 1.90 243 1.85
Max. Unit mW 282 V 2.2 282 mW 2.2 V 282 mW 2.2 V
Intensity Bin Limits for HDSP-078x Series Bin Category Min. (mcd) Max. (mcd) A 0.065 0.102 B 0.085 0.138 C 0.114 0.200 D 0.165 0.300 E 0.260 0.488 F 0.403 0.756 G 0.625 1.172
Condition
Luminous Intensity per LED. VDD @ 5.0 V
Color Bin Limits (Dominant Wavelength) Intensity Range (nm) Color Bin Min. Max. Yellow 1 581.50 585.00 2 584.00 587.50 3 586.50 590.00 Green 1 570.00 574.00 2 573.00 577.00 3 576.00 580.00
Note: Bin categories are established for classification of products. Products may not be available in all bin categories. Please consult your local Avago Technologies representative.
Intensity Bin Limits for HDSP-079x Series Bin Category Min. (mcd) Max. (mcd) E 0.260 0.488 F 0.403 0.756 G 0.625 1.172 H 0.969 1.820
Condition Luminous Intensity per LED. VDD @ 5.0 V
Intensity Bin Limits for HDSP-088x Series Bin Category Min. (mcd) Max. (mcd) A 0.22 0.34 B 0.28 0.46 C 0.38 0.66 D 0.55 0.99 E 0.82 1.54 F 1.27 2.39
Condition
Luminous Intensity per LED. VDD @ 5.0 V
Intensity Bin Limits for HDSP-098x Series Bin Category Min. (mcd) Max. (mcd) C 0.30 0.52 D 0.43 0.79 E 0.65 1.18 F 0.97 1.76 G 1.45 2.63 8
Condition Luminous Intensity per LED. VDD @ 5.0 V
For product information and a complete list of distributors, please go to our website:
www.avagotech.com
Avago, Avago Technologies, and the A logo are trademarks of Avago Technologies Limited in the United States and other countries. Data subject to change. Copyright (c) 2006 Avago Technologies Limited. All rights reserved. Obsoletes 5988-2261EN 5989-3188EN June 24, 2006

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