BO LYMIN BC2004D Feature 1. COB with metal frame 2. 5x7 dots with cursor 3. Built-in controller KS0066 or equivalent 4. + 5V single power supply 5. 1/16 duty cycle 6. LED B/L pins:15/16, or A/K, or 1/2 7. Option: LED array/edge B/L, EL B/L 8. Option: +3V single power supply Mechanical Data Item Standard Value Module Dimension 77.0 x 47.0 Viewing Area 60.0 x 22.0 Dot Size 0.42 x 0.46 Character Size 2.3 x 4.03 Pin Assignment Pin Symbol 1 Vss 2 Vdd 3 Vo 4 RS 5 R/W 6 E 7~14 DB0~7 15 A/Vee K 16 Unit mm mm mm mm Electronic Characteristics Function GND +5V Contrast adjustment H/L register select signal H/L read/write signal H --> L enable signal H/L data bus line Symbol Condition Typical Unit Value Input Voltage Vdd V Vdd = +5V 5.0 Supply Current Idd mA Vdd = +5V 1.6 LCD Driving o 4.5 Vdd-Vo V 25 C Voltage LED Forward 4.2 Vf V 25 oC Voltage LED Forward If 180 mA 25 oC Current EL Power Vel=110Vac/400Hz V Vel Voltage Item Power supply for B/L (+)/ Negative voltage output Power supply for B/L (GND) Dimension 77.0±0.5 3.5 P2 54*15=38 1 LED B/L: 7.8 EL or No B/L:5.0 2.5 10.0 EL or No B/L: 9.1 LED B/L:11.9 70.0 2.3 0.42 0.46 47.0±0.5 16.0 55.1(AA A ) 3.5 22.0 17.56 (AA A ) 23.50 32.6 3.55 60.0(VA) 38.5 4-Ø4.0 1.6 0.48