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KS88C2148 Datasheet(PDF) 31 Page - Samsung semiconductor |
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KS88C2148 Datasheet(HTML) 31 Page - Samsung semiconductor |
31 / 34 page KS88C2148/P2148 KS88P2148 OTP 20-5 Table 20-4. D.C. Electrical Characteristics (T A = – 40 °C to + 85°C, V DD = 2.0 V to 5.5 V) Parameter Symbol Conditions Min Typ Max Unit Operating Voltage V DD f OSC = 8 MHz (Instruction clock = 1.33 MHz) 2.2 – 5.5 V f OSC = 6 MHz (Instruction clock = 1 MHz) 2.0 Input High voltage V IH1 P0 and P1 0.7 V DD – V DD V V IH2 RESET, P2, P3, P4, and P5 0.8 V DD V DD V IH3 X IN, XTIN V DD – 0.1 V DD Input Low voltage V IL1 P0 and P1 0 – 0.3 V DD V IL2 RESET, P2, P3, P4, and P5 0.2 V DD V IL3 X IN, XTIN 0.1 Output High voltage V OH V DD = 3 V; IOH = – 200 µA All output pins V DD – 1.0 – – Output Low voltage V OL V DD = 3 V; IOL= 1 mA All output pins – 0.4 1.0 Input High leakage current I LIH1 V IN = VDD All input pins except those specified below for I LIH2 – – 1 µA I LIH2 V IN = VDD X IN, XOUT, XTIN, and XTOUT 20 Input Low leakage current I LIL1 V IN = 0 V All input pins except those specified below for I LIL2 and RESET – – – 1 I LIL2 V IN = 0 V X IN, XOUT, XTIN, and XTOUT – 20 Output High leakage current I LOH V OUT = VDD All output pins – – 1 Output Low leakage current I LOL V OUT = 0 V All output pins – – – 1 |V DD–COMi| voltage drop (i = 0-7) V DC V DD = 2.7 V to 5.5 V – 15 µA per common pin – – 120 mV |V DD–SEGx| voltage drop (x = 0-31) V DS V LCD = 2.7 V to 5.5 V – 15 µA per segment pin – – 120 |
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