전자부품 데이터시트 검색엔진 |
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IZ44780-01 데이터시트(PDF) 3 Page - Integral Corp. |
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IZ44780-01 데이터시트(HTML) 3 Page - Integral Corp. |
3 / 10 page IN44780U 3 ELECTRICAL CHARACTERISTICS (Ta = 25oC, VDD = +5V, VSS = 0V unless otherwise specified) Characteristic Symbol Test Condition Applicable Terminals Min Typ Max Unit Operating Voltage VDD 4.5 5.5 V Operating Current (*1) IDD Internal oscillation or external clock fOSC = 270KHz 0.35 0.6 HIGH Input Voltage VIH E, DB0 ~ DB7, R/W, RS 2.2 VDD V OSC1 VDD-1.0 VDD LOW Input Voltage VIL E, DB0 ~ DB7, R/W, RS -0.3 0.6 V OSC1 -0.2 1.0 HIGH Output Voltage VOH IOH = -0.205 mA DB0 ~ DB7 2.4 V IOH = -40µA CLK1, CLK2, M, D 0.9VDD LOW Output Voltage VOL IOL = 1.2mA DB0 ~ DB7 0.4 V IOL = 40µA CLK1, CLK2, M, D 0.1VDD Driver Voltage Descending VCOM IO = ± 0.1mA COM1 ~ COM16 1.0 V VSEG SEG1 ~ SEG40 1.0 Input Leakage Current ILKG VIN =0V ~ VDD E -1 1 µA Input LOW Current IIL VCC = 5V (test pull up R) RS, R/W, DB0 ~ DB7 -50 -125 -250 µA Frequency (*1) fEC 125 250 350 KHz External Duty DUTY OSC1 46 50 55 % Clock Rise time tR 0.2 µs Fall time tF 0.2 µs Internal Clock Frequency(*1) fOSC1 Rf = 91K Ω ± 2% OSC1, OSC2 190 270 350 KHz Ceramic Resonator Oscillation Frequency (*1) fOSC2 245 250 255 LCD Driving Voltage (*2) VLCD1 VDD – V5 1/5 bias V1 ~ V5 4.6 10.0 V VLCD2 1/4 bias 3.0 10.0 Notes: *1). Oscillation circuit |
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