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| HCMS-235 Datasheet, PDF (4/6 Pages) Agilent(Hewlett-Packard) – CMOS Extended Temperature Range 5 x 7 Alphanumeric Display | |||
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Optical Characteristics at TA = 25°C
High Performance Green HCMS-2353
Description
Peak Luminous Intensity per LED[6]
(Character Average)
Dominant Wavelength[8,9]
Peak Wavelength
Symbol
IvPEAK
ld
lPEAK
Test Condition
VDD = 5.0 V
VCOL = 5.0 V
VB = 2.4 V
Ti = 25°C[7]
Min.
2400
Typ.*
3000
Max.
Units
µcd
574
nm
568
nm
Yellow HCMS-2351
Description
Peak Luminous Intensity per
LED [6] (Character Average)
Dominant Wavelength [8,9]
Peak Wavelength
Symbol
IvPEAK
λd
λPEAK
Test Condition
VDD = 5.0V
VCOL = 5.0 V
VB = 2.4V
Ti = 25°C [7]
Min
Typ.* Max. Units
1600 2400
µcd
585
nm
583
nm
*All typical values specified at VDD = 5.0 V and TA = 25°C unless otherwise noted.
Notes:
6. These LED displays are categorized for luminous intensity, with the intensity category designated by a letter code on the back of the package.
7. Ti refers to the initial case temperature of the display immediately prior to the light measurement.
8. Dominant wavelength, ld, is derived from the CIE Chromaticity Diagram, and represents the single wavelength which defines the color of the device.
9. Categorized for color with the color category designated by a number on the back of the package.
Switching Characteristics
CLOCK
VIH 2.0 V
VIL 0.8 V
VIH 2.0 V
DATA IN
VIL 0.8 V
1/fCLOCK
tWH
tTHL
tWL
tSETUP
tHOLD
tPLH, tPHL
DATA OUT
VIH
2.0 V
VB
0.8 V
VIL
tOFF
ON (ILLUMINATED)
90%
DISPLAY
10%
OFF (NOT ILLUMINATED)
2.4 V VOH
0.4 V
VOL
Parameter
fclock CLOCK Rate
tPLH, tPHL
Propagation Delay
CLOCK to DATA OUT
tOFF
VB (0.4 V) to
Display OFF
tON
VB (2.4 V) to
Display ON
Condition
CL = 15 pF
RL = 2.4 kâ¦
Typ. Max. Units
5 MHz
105 ns
4 5 µs
12
tON
4
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