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HDSP-0983 Datasheet(PDF) 5 Page - AVAGO TECHNOLOGIES LIMITED |
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HDSP-0983 Datasheet(HTML) 5 Page - AVAGO TECHNOLOGIES LIMITED |
5 / 8 page 5 Electrical/Optical Characteristics TA=–55°Cto+100°C Description Symbol Test Conditions Min. Typ.[7] Max. Unit Supply HDSP-078xSeries ICC VCC=5.5V 78 105 mA Current HDSP-079x/-088x/-098xSeries Characters“5.”or 120 175 “B”displayed Power HDSP-078xSeries PT VCC=5.5V 390 573 mW Dissipation HDSP-079x/-088x/-098xSeries Characters“5.”or 690 963 “B”displayed Logic,EnableandBlankingLow-Level VIL VCC=4.5V 0.8 V InputVoltage Logic,EnableHigh-LevelInputVoltage VIH 2.0 V BlankingHigh-Voltage;DisplayBlanked VBH 2.3 V LogicandEnableLow-LevelInputCurrent IIL VCC=5.5V –1.6 mA BlankingLow-LevelInputCurrent IBL VIL=0.4V –10 µA Logic,EnableandBlankingHigh-Level IIH VCC=5.5V +40 µA InputCurrent VIH=2.4V Weight 1.0 gm LeakRate 5x10-8 cc/sec Notes: 4.Theluminousintensityataspecificoperatingambienttemperature, Iv(TA),maybeapproximatedfromthefollowingexponentialequation: Iv(TA)=Iv(25°C)e[k(TA-25°C)]. Device K HDSP-078Series –0.0131/°C HDSP-079xSeries HDSP-088xSeries –0.0112/°C HDSP-098xSeries –0.0104/°C 5.Thedominantwavelength, ld,isderivedfromtheCIEchromaticitydia- gramandrepresentsthesinglewavelengthwhichdefinesthecolorof thedevice. 6.TheHDSP-088XandHDSP-098Xseriesdevicesarecategorizedasto dominantwavelengthwiththecategorydesignatedbyanumberonthe backofthedisplaypackage. 7.AlltypicalvaluesatVCC=5.0VandTA=25°C. 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 con- stant 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 dis- turbing 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 = 25°C. 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. |
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