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| BO LYMIN BG20232A Feature 1. COB with metal frame 2. Built-in internal clock 3. Built-in controller SED1520D0a 4. 1/32 duty cycle 5. + 5V single power supply 6. Option: LED, EL B/L 7. Option: +3V single power supply Mechanical Data Item Standard Value Module Dimension 146.0 x 43.0 Viewing Area 123.0 x 23.9 Dot Size 0.57 x 0.57 Dot Pitch 0.59 x 0.59 Pin Assignment Pin Symbol 1 2 3 4 5 6 7~14 15 16 17 18 19 20 Vss Vdd Vo Ao /R/W E1 DB0-7 Vee /RST A K E2 E3 Unit mm mm mm mm Electronic Characteristics Symbol Condition Typical Unit Value Input Voltage Vdd Vdd = +5V 5.0 V Supply Current Idd Vdd = +5V 1.0 mA LCD Driving 4.7 Vdd-Vo V 25 oC Voltage LED Forward 4.2 Vf V 25 oC Voltage LED Forward If 300 mA 25 oC Current EL Power Vel Vel=110Vac/400Hz V Voltage Item Function GND +5V(+3V option) Contrast adjustment Data / Instruction R/W signal Data latch for chip1 Data bus line Negative voltage output Reset signal Power supply for B/L (+) Power supply for B/L (GND) Data latch for chip 2 Data latch for chip 3 Dimension 146.0 0.5 134.0 123.0(VA) 119.16(AA) A 2.54*19=48.26 20- 1.0 PTH 20 2 0 PAD 1.5 10. 2.5 3.5 10.3(LED B/L) 5.1(EL B/L) 0.5 0.5 43.0 0.5 33.8 23.0(VA) 18.86(AA) A 202*32 Dot 2 0.59 0.57 DOT SIZE SCALE 10/1 139.0 4- 2.5 P 4- 5.0 P 4- 1.0 PTH 1.6 EL or NO B/L 3.5 |
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