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| LM-2256 Series LED displays 16 x 16 matrix displays LM-2256 Series The LM-2256 series are 16 x 16 matrix displays which can be used in a wide variety of applications, including alphabet, numeric, symbol, and graphic displays. Red is available, as well as a dual-color red / green type. Dimensions (Unit: mm) Single color type MAX 40.64 P2.54x15=38.1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 P O Pin No21 N M L K J I H G Pin No32 256-2 P2.54x15=38.1 MAX 40.64 Pin No20 Application Light sources for displays Pin No13 Pin No1 F E D C B A Pin No12 5.5 Features 1) 16 x 16 dot matrix Circular emitters. 2) External dimensions : 4.064 x40.64 x 5.5mm 3) Emitters : Circular, 2.0mm diameter 4) Black package. 3.7 0.5 P2.54x14=35.56 Part No. LM-2256LB1 505K S1 rank Lot No. Dual color type MAX 40.64 P2.54x15=38.1 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 256-2 Pin No37 Pin No25 Pin No48 P2.54x15=38.1 MAX 40.64 Pin No36 Pin No13 Pin No1 Pin No24 Pin No12 5.5 3.7 0.5 P2.54x14=35.56 1Pin Mark 505K Lot No. Part No. Tolerance are + 0.25 unless other wise noted - Rev.B 7.62 7.62 12.7 12.7 4 0.7 7.62 7.62 12.7 12.7 4 0.7 LM-2256MUB 1/4 LM-2256 Series LED displays Selection guide Emitting color Red Common Anode Cathode - LM-2256LB1 LM-2256MUB - Red / Green Pin assignments (Top view) 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 P O N M L K J I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin No.21 Pin No.32 Pin No.20 Pin No.37 Pin No.25 Pin No.48 Pin No.36 Pin No.13 Pin No.1 Pin No.13 Pin No.12 Pin No.1 Pin No.24 Pin No.12 Single color type Dual color type Internal circuit schematic 1 2 3 4 15 16 G1 R1 G2 R2 G32 R32 P P O O B B A A Single color type GREEN RED Dual color type Rev.B 2/4 LM-2256 Series LED displays Pin assignment table Single-color type Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Function A Cathode C Cathode D Cathode B Cathode 9 Anode 10 Anode 11 Anode 12 Anode 13 Anode 14 Anode 15 Anode 16 Anode H Cathode F Cathode E Cathode G Cathode Pin No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Function J Cathode L Cathode K Cathode I Cathode 1 Anode 2 Anode 3 Anode 4 Anode 5 Anode 6 Anode 7 Anode 8 Anode O Cathode M Cathode N Cathode P Cathode Dual - color type Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Function A Cathode C Cathode D Cathode B Cathode G9 Anode G10 Anode G11 Anode G12 Anode G13 Anode G14 Anode G15 Anode G16 Anode H Cathode F Cathode E Cathode G Cathode R9 Anode R10 Anode R11 Anode R12 Anode R13 Anode R14 Anode R15 Anode R16 Anode Pin No. 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Function R1 Anode R2 Anode R3 Anode R4 Anode R5 Anode R6 Anode R7 Anode R8 Anode J Cathode L Cathode K Cathode I Cathode G1 Anode G2 Anode G3 Anode G4 Anode G5 Anode G6 Anode G7 Anode G8 Anode O Cathode M Cathode N Cathode P Cathode Absolute maximum ratings (Ta=25C) Single - color type Parameter Power dissipation Forward current Peak forward current Reverse voltage Operating temperature Storage temperature Symbol PD IF IFP VR Topr Tstg LB1 Red 50 20 60 3 -20 to +60 -25 to +85 Unit mW/dot mA/dot mA/dot V C C Pulse width 1msec duty 1 / 16 Dual - color type Parameter Power dissipation Forward current Peak forward current Reverse voltage Operating temperature Storage temperature Symbol PD IF IFP VR Topr Tstg MUB Red 42 15 60 4 -20 to +50 -30 to +75 Green 42 15 60 4 mW/dot mA/dot mA/dot V C C Unit Pulse width 1msec duty 1 / 16 Rev.B 3/4 LM-2256 Series LED displays Electrical and optical characteristics (Ta=25C) Single - color type LB1 Parameter Symbol Conditions Red Min. Typ. Max. Forward voltage Forward current Peak wavelength Spectral halfpower bandwidth VF IR IF=20mA VR=3V IF=20mA IF=20mA - - - - 1.75 - 660 25 2.5 100 - - V A nm nm Unit P Not designed for radiation resistance. MB Parameter Symbol Conditions Green Min. Typ. Max. Forward voltage Forward current Peak wavelength Spectral halfpower bandwidth VF IR IF=10mA VR=3V IF=10mA IF=10mA - - - - 2.1 - 563 40 2.8 100 - - V A nm nm Unit P Not designed for radiation resistance. Dual - color type MUB Parameter Forward voltage Reverse current Peak wavelength Spectral halfpower bandwidth Symbol Conditions VF IR IF=10mA VR=3V IF=10mA IF=10mA - - - - Red - - - - Green Unit Min. Typ. Max. Min. Typ. Max. 2 - 635 40 2.8 100 - - 2.1 - 563 40 2.8 100 - - V A nm nm P Not designed for radiation resistance. Luminous intensity Color Red Red Green MUB Type LB1 Min. 36 0.22 0.56 Typ. 72 0.63 1.6 Max. Unit mcd mcd mcd - - - Note : Measured at IF = 10mA (LB1 : IF=20mA) Rev.B 4/4 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 |
Price & Availability of LM-22561
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