LM-1256 Series
LED displays
16×16 matrix displays
LM-1256 Series
The LM-1256 series are 16
×
16 matrix
displays which can be used in a wide
variety of applications, including alpha-
bet, numeric, symbol, and red are available.
External dimensions
( Unit : mm )
Single color type
32
φ
1.6
Applications
Light sources for displays
2
2
5.4
Features
1) 16×16 dot matrix
Circlar emitters.
2) External dimensions : 32×32×5.4mm
3) Emitters : Circular, 1.6mm diameter.
4) Black package.
φ
0.5
P2×14=28
Tolerances
±0.3
unless otherwise noted
Selection guide
Emitting color
Common
Red
∗
LM-1256LB
−
Red
−
LM-1256VB
Anode
Cathode
∗
Bright red
Pin assignments
Pin No.25
Pin No.24
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
P
O
N
M
L
K
J
I
H
G
F
E
D
C
B
A
Pin No.8
Pin No.9
Pin No.17
Pin No.16
Pin No.32
Pin No.1
Single color type
Rev.A
6±0.5 3.7
1/3
P2×14=28
32
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.1
PCB Design
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