HCMS-235x Hewlett-Packard, HCMS-235x Datasheet - Page 4

• Manufacturer Part Number: HCMS-235x
• Description: CMOS Extended Temperature Range 5 x 7 Alphanumeric Display
• Manufacturer: Hewlett-Packard

Optical Characteristics at T
High Performance Green HCMS-2353
Description
Peak Luminous Intensity per LED
(Character Average)
Dominant Wavelength
Peak Wavelength
Yellow HCMS-2351
*All typical values specified at V
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. T
8. Dominant wavelength, l
9. Categorized for color with the color category designated by a number on the back of the package.
Switching Characteristics
CLOCK
DATA IN
DATA OUT
DISPLAY
4
Description
Peak Luminous Intensity per
LED
Dominant Wavelength
Peak Wavelength
i
refers to the initial case temperature of the display immediately prior to the light measurement.
[6]
V
V
V
V
ON (ILLUMINATED)
OFF (NOT ILLUMINATED)
IH
IL
IH
IL
(Character Average)
2.0 V
0.8 V
2.0 V
0.8 V
V
B
t
SETUP
V
V
IH
IL
t
WH
2.0 V
0.8 V
90%
10%
d
[8,9]
, is derived from the CIE Chromaticity Diagram, and represents the single wavelength which defines the color of the device.
1/f
[8,9]
CLOCK
DD
A
= 5.0 V and T
= 25°C
t
t
t
WL
THL
OFF
[6]
t
HOLD
t
PLH
, t
A
PHL
= 25°C unless otherwise noted.
I
Symbol
λ
λ
Symbol
I
l
l
vPEAK
vPEAK
d
PEAK
d
PEAK
t
ON
2.4 V
0.4 V
V
V
OH
OL
Test Condition
V
V
V
T
Test Condition
V
V
V
Ti = 25°C
i
DD
COL
B
DD
COL
B
= 25°C
= 2.4 V
= 2.4V
= 5.0V
= 5.0 V
= 5.0 V
= 5.0 V
Parameter
f
t
Propagation Delay
CLOCK to DATA OUT
t
t
clock
PLH
OFF
ON
V
Display OFF
V
Display ON
[7]
, t
[7]
B
B
CLOCK Rate
PHL
(0.4 V) to
(2.4 V) to
Min.
2400
Min
1600
Condition
C
R
L
L
= 15 pF
= 2.4 kΩ
2400
585
583
Typ.*
Typ.*
3000
574
568
Typ. Max. Units
4
1
Max.
Max.
5
105
5
2
Units
µcd
nm
nm
Units
µcd
nm
nm
MHz
ns
µs