NHD‐0240BZ‐NSW‐BTW‐P Serial Liquid Crystal Display Module NHD‐ 0240‐ BZ‐ N‐ SW‐ B‐ T‐ W‐ P‐ Newhaven Display 2 lines x 40 characters Model Transmissive Side White LED Backlight STN‐Blue (‐) 12:00 view Wide Temperature (‐20°C ~ +70°C) Pin connector RoHS Compliant Newhaven Display International, Inc. 2511 Technology Drive, Suite 101 Elgin IL, 60124 Ph: 847‐844‐8795 Fax: 847‐844‐8796 www.newhavendisplay.com [email protected] [email protected] Document Revision History Revision 0 1 Date 9/25/2007 6/15/2010 Description Initial Release User guide reformat Functions and Features • • • • • 2 lines x 40 characters Serial Interface: RS‐232 +12.0V power supply 1/16 duty, 1/5 bias RoHS Compliant [2] Changed by ‐ BE Mechanical Drawing NHD-0240BZ-NSW-BTW-P Pin Description Pin No. Symbol 1 2 3 4 5 6 7 8 VSS RXT CTS TXD RTS VSS VDD VSS External Connection Power Supply RS‐232 interface RS‐232 interface RS‐232 interface RS‐232 interface Power Supply Power Supply Power Supply Function Description Ground (0V) Receive data NC Transfer data NC Ground (0V) Power supply for logic (+12.0V) Ground(0V) LCD connector: 8‐pin 2.54mm pitch standard header [4] Electrical Characteristics Item Operating Temperature Range Storage Temperature Range Supply Voltage Supply Current Symbol Top Tst VDD IDD Supply for LCD (contrast) VDD‐V0 Condition Ta=25°C VDD=12.0V Min. ‐20 ‐30 ‐ ‐ Typ. ‐ ‐ 12.0 30 Max. +70 +80 ‐ 40 Unit ⁰C ⁰C V mA Ta=25°C ‐ 4.5 ‐ V Optical Characteristics Item Viewing Angle – Top Viewing Angle – Bottom Viewing Angle – Left Viewing Angle – Right Contrast Ratio Response Time (rise) Response Time (fall) Symbol Cr Tr Tf Condition Cr ≥ 2 ‐ ‐ [5] Min. ‐ ‐ ‐ ‐ ‐ ‐ ‐ Typ. 60 35 40 40 6 150 150 Max. ‐ ‐ ‐ ‐ ‐ 250 250 Unit ⁰ ⁰ ⁰ ⁰ ‐ ms ms [6] [7] [8] [9] Example Initialization Program See program code at http://www.newhavendisplay.com/app_notes/Serial_LCD.txt Quality Information Test Item Content of Test High Temperature storage Endurance test applying the high storage temperature for a long time. Endurance test applying the low storage temperature for a long time. Endurance test applying the electric stress (voltage & current) and the high thermal stress for a long time. Endurance test applying the electric stress (voltage & current) and the low thermal stress for a long time. Endurance test applying the electric stress (voltage & current) and the high thermal with high humidity stress for a long time. Endurance test applying the electric stress (voltage & current) during a cycle of low and high thermal stress. Endurance test applying vibration to simulate transportation and use. Low Temperature storage High Temperature Operation Low Temperature Operation High Temperature / Humidity Operation Thermal Shock resistance Vibration test Static electricity test Test Condition Endurance test applying electric static discharge. 2 ‐30⁰C , 48hrs 1,2 +70⁰C 48hrs 2 ‐20⁰C , 48hrs 1,2 +40⁰C , 90% RH , 48hrs 1,2 0⁰C,30min ‐> +25⁰C,5min ‐> +50⁰C,30min = 1 cycle 10 cycles 10‐55Hz , 15mm amplitude. 60 sec in each of 3 directions X,Y,Z For 15 minutes VS=800V, RS=1.5kΩ, CS=100pF One time Note 1: No condensation to be observed. Note 2: Conducted after 4 hours of storage at 25⁰C, 0%RH. Note 3: Test performed on product itself, not inside a container. Precautions for using LCDs/LCMs See Precautions at www.newhavendisplay.com/specs/precautions.pdf Warranty Information and Terms & Conditions http://www.newhavendisplay.com/index.php?main_page=terms [10] Note +80⁰C , 48hrs 3