4
Absolute Maximum Ratings
Logic Supply Voltage, V
LOGIC
to GND
LOGIC
-0.3 V to 7.0 V
LED Supply Voltage, V
LED
to GND
LED
-0.3 V to 5.5 V
Input Voltage, Any Pin to GND -0.3 V to V
LOGIC
+0.3 V
Free Air Operating Temperature Range T
A
[1]
-40 °C to +85 °C
Relative Humidity (noncondensing) 85%
Storage Temperature, T
S
-55 °C to 100 °C
Soldering Temperature [1.59 mm (0.063 in.) Below Body]
Solder Dipping 260 °C for 5 secs
Wave Soldering 250 °C for 3 secs
ESD Protection @ 1.5 k, 100 pF (each pin) Class 1, 0-1999 V
TOTAL Package Power Dissipation at T
A
= 25 °C
[2]
4 Character 1.2 W
8 Character 2.4 W
16 Character 4.8 W
Note:
1. For operation in high ambient temperatures, see Appendix A, Thermal Considerations.
HCMS-297x
Recommended Operating Conditions Over Temperature Range (-40 °C to +85 °C)
Parameter Symbol Min. Typ. Max. Units
Logic Supply Voltage V
LOGIC
3.0 5.0 5.5 V
LED Supply Voltage V
LED
4.0 5.0 5.5 V
GND
LED
to GND
LOGIC
-0.3 0 +0.3 V
PIN FUNCTION
ASSIGNMENT TABLE
NOTES:
1. DIMENSIONS ARE IN mm (INCHES).
2. UNLESS OTHERWISE SPECIFIED, TOLERANCE ON DIMENSIONS IS ± 0.38 mm (0.015 INCH).
3. LEAD MATERIAL: SOLDER PLATED COPPER ALLOY.
87654321
X Z
COO
PIN # 1 IDENTIFIER
INTENSITY CATEGORY
DATE CODE (YEAR, WEEK)
COLOR BIN
COUNTRY OF ORIGIN
PART NUMBER
5.31
(0.209)
6.22
(0.245)
SYM.
0.51
(0.020)
TYP.
0.51 ± 0.13
(0.020 ± 0.005)
2.54 ± 0.13
(0.100 ± 0.005)
(NON ACCUM.)
TYP.
2.67 (0.105) SYM.
5.36 (0.211) TYP.
11.43 (0.450) MAX.
2.54 (0.100) TYP.
0.25
(0.010)
7.62
(0.300)
3.71
(0.146)
TYP.
1.90
(0.075)
SYM.
NO PIN
NO PIN
V LED
NO PIN
NO PIN
NO PIN
GND LED
NO PIN
NO PIN
V LED
NO PIN
NO PIN
NO PIN
DATA IN
RS
NO PIN
CLOCK
CE
BLANK
GND LOGIC
SEL
V LOGIC
NO PIN
RESET
OSC
DATA OUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
PIN # FUNCTION
4.57
(0.180)
TYP.
3
26
HCMS-297X
YYWW
42.93 (1.690) MAX.
5
Electrical Characteristics Over Operating Temperature Range (-40 °C to +85 °C)
T
A
= 25 °C -40 °C < T
A
< 85 °C
V
LOGIC
= 5.0 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-290x/296x (4 char) +7.5 -2.5 +50
HCMS-291x/297x (8 char) +15 -5.0 +100
HCMS-292x (16 char) +15 -5.0 +100
I
LOGIC
OPERATING I
LOGIC
(OPT) mA V
IN
= V
LOGIC
HCMS-290x/296x (4 char) 0.4 2.5 5
HCMS-291x/297x (8 char) 0.8 5 10
HCMS-292x (16 char) 0.8 5 10
I
LOGIC
SLEEP
[1]
I
LOGIC
(SLP) µA V
IN
= V
LOGIC
HCMS-290x/296x (4 char) 5 15 25
HCMS-291x/297x (8 char) 10 30 50
HCMS-292x (16 char) 10 30 50
I
LED
BLANK I
LED
(BL) mA BL = 0 V
HMCS-290x/296x (4 char) 2.0 4 4.0
HCMS-291x/297x (8 char) 4.0 8 8
HCMS-292x (16 char) 4.0 8 8
I
LED
SLEEP
[1]
I
LED
(SLP) µA
HCMS-290x/296x (4 char) 1 3 50
HCMS 291x/297x (8 char) 2 6 100
HCMS-292x (16 char) 2 6 100
Peak Pixel Current
[2]
I
PIXEL
V
LED
= 5.5 V
HCMS-29x5 (Deep Red) 15.4 17.1 18.7 mA All pixels ON,
HCMS-29xx (Other Colors) 14.0 15.9 17.1 mA Average value per pixel
HIGH Level Input Voltage V
ih
2.0 V 4.5 V < V
LOGIC
< 5.5 V
0.8 V
LOGIC
V 3.0 V < V
LOGIC
< 4.5 V
LOW Level Input Voltage V
il
0.8 V 4.5 V < V
LOGIC
< 5.5 V
0.2 V
LOGIC
V 3.0 V < V
LOGIC
< 4.5 V
HIGH Level Output Voltage V
oh
2.0 V V
LOGIC
= 4.5 V,
I
oh
= -40 µA
0.8 V
LOGIC
V 3.0 V < V
LOGIC
< 4.5 V
LOW Level Output Voltage V
ol
0.4 V V
LOGIC
= 5.5 V,
I
ol
= 1.6 mA
[3]
0.2 V
LOGIC
V 3.0 V < V
LOGIC
< 4.5 V
Thermal Resistance Rq
J-P
70 °C/W IC junction to pin
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.
3. For the Oscillator Output, I
ol
= 40 µA.
6
Electrical Description
Pin Function Description
RESET (RST) Sets Control Register bits to logic low. The Dot Register contents are unaected by the Reset pin.
(logic low = reset; logic high = normal operation).
DATA IN (D
IN
) Serial Data input for Dot or Control Register data. Data is entered on the rising edge of the Clock
input.
DATA OUT (D
OUT
) Serial Data output for Dot or Control Register data. This pin is used for cascading multiple dis-
plays.
CLOCK (CLK) Clock input for writing Dot or Control Register data. When Chip Enable is logic low, data is en-
tered on the rising Clock edge.
REGISTER SELECT (RS) Selects Dot Register (RS = logic low) or Control Register (RS = logic high) as the destination for
serial data entry. The logic level of RS is latched on the falling edge of the Chip Enable input.
CHIP ENABLE (CE) This input must be a logic low to write data to the display. When CE returns to logic high and CLK
is logic low, data is latched to either the LED output drivers or a Control Register.
OSCILLATOR SELECT (SEL) Selects either an internal or external display oscillator source. (logic low = External Display Oscil-
lator; logic high = Internal Display Oscillator).
OSCILLATOR (OSC) Output for the Internal Display Oscillator (SEL = logic high) or input for an External Display Oscil-
lator (SEL = logic low).
BLANK (BL) Blanks the display when logic high. May be modulated for brightness control.
GND
LED
Ground for LED drivers.
GND
LOGIC
Ground for logic.
V
LED
Positive supply for LED drivers.
V
LOGIC
Positive supply for logic.
Optical Characteristics at 25 °C
[1]
V
LED
= 5.0 V, 50% Peak Current, 100% Pulse Width
Peak Dominant
Luminous Intensity per LED
[2]
Wavelength Wavelength
Character Average (µcd) l
Peak
(nm) l
d
[3]
(nm)
Display Color Part Number Min. Typ. Typ. Typ.
Deep Red HCMS-29x5 95 770 645 637
High Eciency Red HCMS-29x2 64 270 635 626
Orange HCMS-29x4 64 180 600 602
Yellow HCMS-29x1 64 180 583 585
Green HCMS-29x3 64 270 568 574
Notes:
1. Refers to the initial case temperature of the device immediately before measurement.
2. Measured with all LEDs illuminated.
3. Dominant wavelength, l
d
, is derived from the CIE chromaticity diagram and represents the single wavelength, which denes the perceived
LED color.

HCMS-2963

Mfr. #:
Manufacturer:
Broadcom / Avago
Description:
LED Displays & Accessories Green 574nm 1x4 Alphanumeric
Lifecycle:
New from this manufacturer.
Delivery:
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