Features
•  Easy to use
•  Interfaces directly with microprocessors
•  0.15” character  height  in  4,  8,  and  16  (2x8)  character 
packages
•  0.20”character height in 4 and 8 character packages
•  Rugged X- and Y-stackable package
•  Serial input
•  Convenient brightness controls
•  Wave solderable
•  Oered in ve colors
•  Low power CMOS technology
•  TTL compatible
Applications
•  Telecommunications equipment
•  Portable data entry  devices
•  Computer peripherals
•  Medical equipment
•  Test equipment
•  Business machines
•  Avionics
•  Industrial  controls
Device Selection Guide
AlGaAs HER Orange Yellow Green Package
Description HCMS- HCMS- HCMS- HCMS- HCMS- Drawing
1 x 4 0.15” Character  2905  2902  2904  2901  2903  A
1 x 8 0.15” Character  2915  2912  2914  2911  2913  B
2 x 8 0.15” Character  2925  2922  2924  2921  2923  C
1 x 4 0.20” Character  2965  2962  2964  2961  2963  D
1 x 8 0.20” Character  2975  2972  2974  2971  2973  E
ESD WARNING: STANDARD CMOS HANDLING PRECAUTIONS SHOULD BE OBSERVED TO AVOID STATIC DISCHARGE.
Description
The HCMS-29xx series are high performance,  easy 
to use dot matrix displays driven by on-board CMOS ICs. 
Each display can bedirectlyinterfaced with a microproces-
sor, thus eliminating the need for cumbersome interface 
components. The serial IC interface allows higher charac-
ter count information displays with a minimum of data 
lines.  A  variety  of  colors,  font  heights,  and  character 
counts gives designers a wide range of product choices 
for their specic applications and the easy to read 5 x 7 
pixel format allows the display of uppercase, lower case, 
Katakana, and custom user-dened characters.These dis-
plays  are  stackable  in  the  x-  and  y-  directions,  making 
them ideal for high character count displays.
HCMS-29xx Series
High Performance CMOS 5 x 7 Alphanumeric Displays
Data Sheet
2
HCMS-291x
HCMS-290x
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.
X Z
COO
2.11 (0.083) TYP.
0.25
(0.010)
7.62
(0.300)
PIN # 1 IDENTIFIER
4321
17.78 (0.700) MAX.
3.71 (0.146) TYP.
4.45 (0.175) TYP.
2.22 (0.087) SYM.
10.16 (0.400) MAX.
PIN # 1
LIGHT INTENSITY CATEGORY
DATE CODE
COLOR BIN
COUNTRY OF ORIGIN
PART NUMBER
5.08
(0.200)
2.54
(0.100)
SYM.
TYP.
0.51 ± 0.13
(0.020 ± 0.005)
2.54 ± 0.13
(0.100 ± 0.005)
(NON ACCUM.)
TYP.
4.32
(0.170)
TYP.
1.27
(0.050)
SYM.
1
12
0.51 (0.020)
DATA OUT
OSC
V LED
DATA IN
RS
CLK
CE
BLANK
GND
SEL
V LOGIC
RESET
PIN FUNCTION
ASSIGNMENT TABLE
1
2
3
4
5
6
7
8
9
10
11
12
PIN # FUNCTION
HCMS-290X
YYWW
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.
2.54 ± 0.13
(0.100 ± 0.005)
(NON ACCUM.)
TYP.
35.56 (1.400) MAX.
76543210
0.25
(0.010)
7.62
(0.300)
PIN # 1 IDENTIFIER
X Z
COO
INTENSITY CATEGORY
DATE CODE (YEAR, WEEK)
COLOR BIN
COUNTRY OF ORIGIN
PART NUMBER
5.08 (0.200)
2.54
(0.100)
SYM.
0.51
(0.020)
TYP.
0.51 ± 0.13
(0.020 ± 0.005)
2.22 (0.087) SYM.
10.16 (0.400) MAX.
2.11 (0.083) TYP.
4.32
(0.170)
TYP.
1.27
(0.050)
SYM.
4.45
(0.175)
TYP.
3.71
(0.146)
TYP.
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
PIN FUNCTION
ASSIGNMENT TABLE
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
3
26
HCMS-291X
YYWW
3
HCMS-292x
HCMS-296x
NOTES:
1. DIMENSIONS ARE IN mm (INCHES).
2. UNLESS OTHERWISE SPECIFIED, THE TOLERANCE ON DIMENSIONS IS ± 0.38 mm (0.015 INCH).
3. LEAD MATERIAL: SOLDER PLATED COPPER ALLOY.
3210
PIN # 1 IDENTIFIER
PART NUMBER
5.31
(0.209)
4.28
(0.169)
SYM.
TYP.
0.51 ± 0.13
(0.020 ± 0.005)
2.54 ± 0.13
(0.100 ± 0.005)
TYP.
2.67 (0.105) SYM.
2.54 (0.100) TYP.
11.43 (0.450) MAX.
5.36 (0.211) TYP.
0.25
(0.010)
7.62
(0.300)
3.71
(0.146)
TYP.
1.83
(0.072)
SYM.
4.57
(0.180)
TYP.
X Z
COO
INTENSITY CATEGORY
DATE CODE (YEAR, WEEK)
COLOR BIN
COUNTRY OF ORIGIN
21.46 (0.845) MAX.
0.50
(0.020)
DATA OUT
OSC
V LED
DATA IN
RS
CLK
CE
BLANK
GND
SEL
V LOGIC
RESET
1
2
3
4
5
6
7
8
9
10
11
12
PIN FUNCTION
ASSIGNMENT TABLE
PIN # FUNCTION
HCMS-296X
YYWW
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
PIN FUNCTION ASSIGNMENT TABLE
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
1A
2A
3A
4A
5A
6A
7A
8A
9A
10A
11A
12A
13A
14A
15A
16A
17A
18A
19A
20A
21A
22A
23A
24A
25A
26A
PIN # FUNCTION
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.
15141312111098
76543210
1.27
(0.050)
0.25
(0.010)
7.62
(0.300)
2.03
(0.080)
4.83
(0.190)
PIN # 1 IDENTIFIER
ROW A
ROW B
35.56 (1.400) MAX.
3.71 (0.146) TYP.
2.22 (0.088) SYM.
4.45 (0.175) MAX.
19.81 (0.780) MAX.
9.65 (0.380)
X Z
COO
INTENSITY CATEGORY
DATE CODE (YEAR, WEEK)
COLOR BIN
COUNTRY OF ORIGIN
PART NUMBER
5.08 (0.200)
2.54
(0.100)
SYM.
0.51
(0.020)
0.51 ± 0.13
(0.020 ± 0.005)
TYP.
2.54 ± 0.13
(0.100 ± 0.005)
(NON ACCUM.)
TYP.
3A
26A
3B
26B
2.11 (0.083) TYP.
1B
2B
3B
4B
5B
6B
7B
8B
9B
10B
11B
12B
13B
14B
15B
16B
17B
18B
19B
20B
21B
22B
23B
24B
25B
26B
PIN # FUNCTION
HCMS-292X
YYWW

HCMS-2975-HI000

Mfr. #:
Manufacturer:
Broadcom / Avago
Description:
LED Displays & Accessories Red 637nm 1x8 Alphanumeric
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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