Datasheet

5
Electrical Characteristics over Operating Temperature Range (-40° C to +85° C)
Parameter Symbol
T
A
= 25° C
V
LOGIC
= 3.3 V
-40° C < T
A
< 85° C
3.0 V < V
LOGIC
< 5.5 V
Units Test ConditionsTyp. Max. Min. Max.
Input Leakage Current
HCMS-390X/396X (4 char)
HCMS-391X/397X (8 char)
I
I
+7.5
+15
-2.5
-5.0
+50
+100
µA V
IN
= 0 V to V
LOGIC
I
LOGIC
OPERATING
HCMS-390X/396X (4 char)
HCMS-391X/397X (8 char)
I
LOGIC
(OPT)
0.4
0.8
2.5
5
5
10
mA V
IN
= V
LOGIC
I
LOGIC
SLEEP
[1]
HCMS-390X/396X (4 char)
HCMS-391X/397X (8 char)
I
LOGIC
(SLP)
5
10
15
30
25
50
µA V
IN
= V
LOGIC
I
LED
BLANK
HCMS-390X/396X (4 char)
HCMS-391X/397X (8 char)
I
LED
(BL)
2.0
4.0
4.0
8.0
8.4
8.0
mA BL = 0 V
I
LED
SLEEP
[1]
HCMS-390X/396X (4 char)
HCMS-391X/397X (8 char)
I
LED
(SLP)
7.5
15
20
40
50
100
µA
Peak Pixel Current
[2]
I
PIXEL
14.0 15.9 17.1 mA V
LED
= 5.5 V.
All pixels ON, average
value per pixel
HIGH level input voltage V
IH
2.4 V 3.0 V < V
LOGIC
< 5.5 V
LOW level input voltage V
IL
0.4 V 3.0 V < V
LOGIC
< 5.5 V
HIGH level output voltage V
OH
2.4 V 3.0 V < V
LOGIC
< 5.5 V
LOW level output voltage V
OL
0.4 V 3.0 V < V
LOGIC
< 5.5 V
Thermal Resistance Rθ
J-P
70
o
C/W
Notes:
1. In SLEEP mode, the internal oscillator and reference current for LED drivers are o.
2. Average peak pixel current is measured at the maximum drive current set by Control Register 0. Individual pixels may exceed this value.
Optical Characteristics at 25° C ±1° C
[1]
V
LED
= 3.3 V, 100% Peak Current, 100% Pulse Width
Display Color
Luminous Intensity per LED
[2]
Character Average (µcd)
Peak Wavelength
λ
Peak
(nm)
Dominant Wavelength
λ
d
[3]
(nm)
Min. Typ. Typ. Typ.
Red 520 2300 635 624
Green 520 1000 574 572
Notes:
1. Refers to the initial case temperature of the device immediately prior to measurement.
2. Measured with all LEDs illuminated in a digit.
3. Dominant wavelength, λ
d
, is derived from the CIE chromaticity diagram and represents the single wavelength which denes the perceived LED
color.