BO LYMIN BC2004B 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, EL B/L 8. Option: +3V single power supply Mechanical Data Item Standard Value Module Dimension 146.0 x 62.5 Viewing Area 123.5 x 43.0 Dot Size 0.92 x 1.1 Character Size 4.84 x 9.22 Pin Assignment Pin Symbol 1 Vss 2 Vdd 3 Vo 4 RS 5 R/W 6 E 7~14 DB0~7 15 A 16 K 17 NC/Vee 18 NC Unit mm mm mm mm Electronic Characteristics Function GND +5V(+3V option) Contrast adjustment H/L register select signal H/L read/write signal H --> L enable signal H/L data bus line Power supply for B/L (+) Power supply for B/L (GND) NC/ Negative voltage output No connection Symbol Condition Typical Unit Value Input Voltage Vdd Vdd = +5V 5.0 V Supply Current Idd Vdd = +5V 2.0 mA LCD Driving 4.2 Vdd-Vo V 25 oC Voltage LED Forward 4.2 Vf V 25 oC Voltage LED Forward If 540 mA 25 oC Current EL Power Vel Vel=110Vac/400Hz V Voltage Item P2.54*17=43.18 2.0 18-Ø1.0 PTH 18 3.5 146.0±0.5 134.0 123.5(VA) 118.84(AA A ) 2.5 6.0 11.25 13.58 18.0 6.0 13.6Max 9.0 4.84 0 98 9.75 9.22 62.5±0.5 55.0 43.0(VA) 38.47(AA A ) 4.75 10.75 13.015 Dimension 73.00 6 139.0 4-Ø2.5 PTH 4-Ø5.0 PTH LED B/L DOT SIZE SCALE 4/1