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240*64 Mono Dot Matrix LCD Display, 240x64 Liquid Crystal Display, Mono LCD, ST7920 Model No.VSG25664A Share Share to: Download Add to Inquiry Specifications Characteristics Pin Function Resolution (dots): 256*64 (16*4) Outline Dimensions (mm): 180.0*65.0*9.7 View Area (mm): 134.0*40.4 Dot Size (mm): 0.47*0.47 IC: ST7920 Backlight: None,LED I/F: 6800 Absolute Maximum Ratings Item Symbol Min. Typ. Max Unit Supply Voltage For Logic VDD-VSS -0.3 - 5.5 V Supply Voltage For LCD Drive VDD-VO 0 - 7 V Input Voltage VI -0.3 - VDD mA Electrical Characteristics Item Symbol Condition Min. Typ. Max Unit Supply Voltage For Logic VDD-VSS - 4.5 5.0 5.5 V Supply Voltage For LCD Drive VDD-VO VDD=5V, Ta=25℃ 5.6 6.0 6.5 V Supply Current IDD VDD=5V - 16.0 25.0 mA Input Voltage “High” Level VIH - 2.2 - VDD V “Low” Level VIL - - - 0.6 V Output Voltage “High” Level VOH - 2.4 - - V “Low” Level VOL - - - 0.4 V Pin No. Symbol LEVEL Function 1 VSS 0V Power Supply Ground 2 VDD 5V Power Supply Voltage 3 VO - Contrast Adj 4 RS H/L Register Selection 5 R/W H/L Read/Write 6 E1 H,HèL Enable Signal IC1 7 E2 H,HèL Enable Signal IC2 8 DB0 H/L Data Bus Line 9 DB1 H/L Data Bus Line 10 DB2 H/L Data Bus Line 11 DB3 H/L Data Bus Line 12 DB4 H/L Data Bus Line 13 DB5 H/L Data Bus Line 14 DB6 H/L Data Bus Line 15 DB7 H/L Data Bus Line 16 A 4.2V LED Power(+) 17 K 0V LED Power(-) 18 NC - No Connection 19 NC - No Connection 20 NC - No Connection Back