Datasheet
5
Electrical Characteristics over Operating Temperature Range (-40°C to +85°C)
T
A
= 25°C -40°C < T
A
< 85°C
V
LOGIC
= 3.3 V 3.0 V < V
LOGIC
< 5.5 V
Parameter Symbol Typ. Max. Min. Max.
Units Test Conditions
Input Leakage Current I
I
μA V
IN
= 0 V to V
LOGIC
HCMS-390X/396X (4 char) +7.5 -2.5 +50
HCMS-391X/397X (8 char) +15 -5.0 +100
I
LOGIC
OPERATING I
LOGIC
(OPT)
mA V
IN
= V
LOGIC
HCMS-390X/396X (4 char) 0.4 2.5 5
HCMS-391X/397X (8 char) 0.8 5 10
I
LOGIC
SLEEP
[1]
I
LOGIC
(SLP)
μA V
IN
= V
LOGIC
HCMS-390X/396X (4 char) 5 15 25
HCMS-391X/397X (8 char) 10 30 50
I
LED
BLANK I
LED
(BL) mA BL = 0 V
HCMS-390X/396X (4 char) 2.0 4.0 4.0
HCMS-391X/397X (8 char) 4.0 8.0 8.0
I
LED
SLEEP
[1]
I
LED
(SLP) μA
HCMS-390X/396X (4 char) 7.5 20 50
HCMS-391X/397X (8 char) 15 40 100
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]
VLED = 3.3 V, 100% Peak Current, 100% Pulse Width[2]
Luminous
Intensity per LED
[3]
Peak Wavelength Dominant Wavelength
Character Average (μcd) λPeak (nm) λd
[4]
(nm)
Display Color Minimum Typ. Typ. Typ.
Red 30 128 641 628
Orange 30 128 592 588
Yellow 70 148 583 585
Green 77 252 568 574
Notes:
1. Refers to the initial case temperature of the device immediately prior to measurement.
2. For comparison purpose with existing HCMS-29xx 5 V devices. The Typical and Minimum Luminous Intensity per LED Character Average can be
calculated by dividing the values in the table by two for the test condition 50% Peak Current, 100% Pulse Width and V
LED
= 3.3 V.
3. Measured with all LEDs illuminated in a digit.
4. Dominant wavelength, λ
d
, is derived from the CIE chromaticity diagram and represents the single wavelength which denes the perceived
LED color.