DMC-50448N OPTREX CORPORATION, DMC-50448N Datasheet
DMC-50448N
Related parts for DMC-50448N
DMC-50448N Summary of contents
Page 1
... Code System of Production Lot ..........................................................13 8. Type Number..........................................................................................13 9. Applying Precautions .............................................................................13 10. Precautions Relating Product Handling................................................14 11. Warranty..................................................................................................15 www.DataSheet4U.com Rev. Date December 18, 1997 2 DMC-50448N (AA) No.99-0094 First Edition July 19, 1994 Final Revision December 18, 1997 Table of Contents Revision History Page 2 Change of maximum compornents line. ( UE-35395B→C ) ...
Page 2
... Weight LCD Type Viewing Angle Data Transfer Backlight www.DataSheet4U.com Drawings DMC-50448N (AA) No.99-0094 ： min. 0℃ ～ max. 50℃ ： min. -20℃ ～ max. 70℃ ： 8 characters × 2 lines ： 5 × 8 dots ( 1 character ) ： 30.4 (W) × 13.9 (H) mm ： 40.0 (W) × 35.4 (H) × 9.35 max. (D) mm ： max. ...
Page 3
... Characteristics Parameter Supply Voltage (Logic) Supply Voltage (LCD Drive) High Level www.DataSheet4U.com Input Voltage Low Level Input Voltage High Level Output Voltage Low Level Output Voltage Supply Current DMC-50448N (AA) No.99-0094 Symbol Conditions － － － Symbol Conditions － ...
Page 4
... Enable Pulse Width Enable Rise/Fall Time Address Setup Time Address Hold Time Write Data Setup Time Write Data Hold Time Read Data Delay Time Read Data Hold Time www.DataSheet4U.com DB0 ～ DB7 DB0 ～ DB7 DMC-50448N (AA) No.99-0094 Symbol Conditions t Fig.1, 2 CYC PW Fig. ...
Page 5
... Duty - 1/B Bias ( A : Duty Number Bias Number ). Driving voltage V as follows (Vth1+Vth2 Vth1 : The voltage V the segment which the ON signal is applied to. Vth2 : The voltage V the segment which the OFF signal is applied to. V O-P DMC-50448N (AA) No.99-0094 Symbol Conditions Ta= 0℃ Ta=25℃ Note 1 Ta=50℃ ...
Page 6
... Duty, 1/4 Bias, V 135ﾟ 180ﾟ 225ﾟ ･Area www.DataSheet4U.com 3.4.System Block Diagram Photometer #1980A WB Computer DMC-50448N (AA) No.99-0094 f =4.2V, D 90ﾟ 45ﾟ φ (φ= 0ﾟ） θ 180ﾟ ...
Page 7
... DB7 14 www.DataSheet4U.com 4.2.Example of Power Supply It is recommended to apply a potentiometer for the contrast adjust due to the tolerance of the driving voltage and its temperature dependence. DMC-50448N (AA) No.99-0094 Level － Power Supply (0V, GND) － Power Supply for Logic － Power Supply for LCD Drive ...
Page 8
... Diagram DB7 DB0 R/W RS VDD VSS V0 www.DataSheet4U.com DMC-50448N (AA) No.99-0094 COM 16 8 Control LSI SEG 40 E HD44780 or equivalent Bias Circuit OPTREX characters × 2 lines To LSI OPTREX CORPORATION Page 8/15 DataSheet DataSheet4U DataSheet DataSheet www. .com ...
Page 9
... Note 4 : The function test shall be conducted after 4 hours storage at the normal temperature and humidity after removed from the test chamber. Note 5 : Vibration test will be conducted to the product itself without putting container. DMC-50448N (AA) No.99-0094 Parameter 50℃±2℃, 96hrs (operation state) 0℃ ...
Page 10
... The LCD shall be inspected under 40W white fluorescent light. The distance between the eyes and the sample shall be more than 30cm. All directions for inspecting the sample should be within 45 ﾟ against perpendicular line. 6.2.Definition of applicable Zones www.DataSheet4U.com DMC-50448N (AA) No.99-0094 45 ﾟ A Zone B Zone C Zone A Zone : Active display area B Zone : Area from outside of " ...
Page 11
... No. Parameter 1 Black and White Spots, Foreign Substances www.DataSheet4U.com 2 Air Bubbles (between glass & polarizer) DMC-50448N (AA) No.99-0094 Criteria (1) Round Shape Zone Dimension (mm ≦ 0.1 * 0.1 ＜ D ≦ 0.2 5 0.2 ＜ D ≦ 0.3 0 0.3 ＜ Long + Short ) / Disregard (2) Line Shape Zone X(mm) Y(mm) A － 0.02≧W * 2.0≧L 0.03≧W 3 1.0≧ ...
Page 12
... No. Parameter 3 The Shape of Dot www.DataSheet4U.com 4 Polarizer Scratches 5 Polarizer Dirts 6 Color Variation DMC-50448N (AA) No.99-0094 Criteria (1) Dot Shape (with Dent) 0.15 ≧ (2) Dot Shape (with Projection) Should not be connected to next dot. (3) Pin Hole X Y Total defects shall not exceed 5. Not to be conspicuous defects. If the stains are removed easily from LCDP surface, the module is not defective ...
Page 13
... The type number of module is specified on the back of module as follows. ＤＭＣ－５０４４８Ｎ 9.Applying Precautions Please contact us when questions and/or new problems not specified in this specifications arise. www.DataSheet4U.com DMC-50448N (AA) No.99-0094 □ □ □ □ □ ...
Page 14
... Care should be taken not to touch connection areas to avoid burns. ② Protect CFL cables from rubbing against the unit and thus causing the wire jacket to become worn. ③The use of CFLs for extended periods of time at low temperatures will significantly shorten their service life. DMC-50448N (AA) No.99-0094 OPTREX CORPORATION OPTREX Page 14/15 ...
Page 15
... Optrex will not be held responsible for any quality guarantee issue for defect products judged as Optrex-origin longer than 2 (two) years from Optrex production or 1(one) year from Optrex, Optrex America, Optrex Europe, Display LC delivery which ever comes later. DMC-50448N (AA) No.99-0094 OPTREX CORPORATION OPTREX ...