HE125XX50 128 X 64 Dots 1、EXTERNAL DIMENSION AND DISPLAY PATTERN 2、MECHANICAL DATA 3、ELECTRICAL CHARACTERISTICS (Ta=25℃) ITEM SPECIFICATION UNIT ITEM Module Size (W×H×T) Viewing Area (W×H) Number of Dots (W×H) Dot Pitch (W×H) Dot Size (W×H)) 70.0×43.0×6.0 59.0×30.5 128×64 0.43×0.43 0.39×0.39 mm mm dots mm mm Supply Voltage (Logic) Supply Current (Logic) “HIGH” Input Voltage “LOW” “HIGH” Output Voltage “LOW” LCD Operating Voltage SPEC. VALUE SYMBOL CONDITION VDD - VSS IDD VIH VIL VOH VOL VDD - Vo VDD=5V -IOH=0.205mA IOL=1.6mA VDD=5V, Ta=25℃ UNIT MIN. TYP. MAX. 2.7 0.8VDD VSS 0.8VDD VSS 3.0 120 - 3.3 180 VDD 0.2VDD VDD 0.2VDD V uA V V V V - 9.0 - V 4、PIN CONFIGURATION PIN SYMBOL SIGNAL DESCRIPTION PIN SYMBOL 1 2 3 4 5 6 7 8 9 10 NC V0 V4 V3 V2 V1 C2C2+ C1+ C1- No Connection LCD Driver Supply Voltage LCD Driver Supply Voltage LCD Driver Supply Voltage LCD Driver Supply Voltage LCD Driver Supply Voltage Cap. 2 Negative Connection Pin for Voltage Converter Cap. 2 Positive Connection Pin for Voltage Converter Cap. 1 Positive Connection Pin for Voltage Converter Cap. 1 Negative Connection Pin for Voltage Converter 11 12 13 14 15 16 17 18 19 20 C3+ Vout VSS VDD SI SCL RS /RES /CS NC 5、BLOCK DIAGRAM SIGNAL DESCRIPTION Cap. 3 Positive Connection Pin for Voltage Converter Voltage Converter Input/Output Pin GND (0V) Power Supply Serial Input Data Serial Input Clock Register Select Input Pin Reset Signal Chip Select Signal No Connection 6、BACKLIGHTING CHARACTERISTICS (Ta=25℃) LED ITEM SYMBOL CONDITION MIN TYP MAX UNIT Supply Voltage VLED - - - - V Power Consumption PLED IF = 60 mA - 0.27 - W Luminous IV IF = 60 mA - 50 - cd/m2