LG122325-LY

LG122325-LY www.DataSheet4U.com 122 x 32 dots + yellow green led backlight built in Chinese font ABSOLUTE MAXIMUM RATINGS Item Supply Voltage(Logic) Supply Voltage(LCD) Input Voltage Operating Temp. Storage Temp. Symbol VDD - VSS VO - VSS VI Topr Tstg Min. -0.3 -0.3 -0.3 -20 -30 Max. 7.0 7.0 VDD + 0.3 70 80 Unit V V V °C °C MECHANICAL DATA Item Module Size ( W x H x T ) Viewing Area ( W x H ) Dot Pitch ( W x H ) Dot Size ( W x H ) Weight (Reflective/LED) Nominal Dimensions 74.0 x 35.0 x 9.5/13.5 60.5 x 18.5 0.44 x 0.49 0.40 x 0.45 Approx. 28/38 Unit mm mm mm mm g ELECTRICAL CHARACTERISTICS ( V DD =5V±0.25V ) Item Input High Voltage Input Low Voltage Output High Voltage Output Low Voltage Supply Current LCD Driving Voltage Symbol VIH VIL VOH VOL I DD VO - VSS Test Condition --Min. Typ. ----3.0 6.5 Max. Unit V DD V 0.6 V V DD V 0.1VDD V mA 5.0 -V PIN CONNECTIONS (CN1/CN2) Pin 1 2 3 4 5 Symbol VSS V DD CS SID SCLK /RST LEDA LEDK Level 0V +5V H/L H/L H/L H/L +5V Power supply for LED backlight 0V GND Power supply for logic Chip enable signal, active "H" Serial data input Serial clock input Reset signal, active "L" Function 0.7VDD - 0.3 IOH = - 0.1mA 0.8VDD -IOL = 0.1mA -VDD = 5.0V -Ta=25°C BLOCK DIAGRAM 6 7 VSS VDD CS SID SCLK /RST LCD Controller LSI ST7920 32 COM LCD PANEL 122 x 32 dots 8 64 SEG 58 SEG ST7921 LED BACKLIGHT SPECIFICATIONS (Ta=25°C) LEDA LEDK Item LED Backlight Forward Voltage Forward Current Emission Wave Length Symbol Vf If λp Typ. 4.1 120 568 Ma...