Ordering number : ENA2124 LC79431KNE CMOS LSI LC79431KNE Specifications Absolute Maximum Ratings at Ta = 252C, V = 0V SS Parameter Symbol Conditions Ratings unit Maximum supply voltage (Logic) V max -0.3 to +7.0 V DD Maximum supply voltage (LCD) V -V max *1 0 to 35 V DD EE Maximum input voltage V max -0.3 to V +0.3 V I DD Storage temperature Tstg -40 to +125 C Note *1 The following relations between elements should be maintained: V V1>V2>V5>V , V -V27V, DD EE DD V5-V 7V EE Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. Allowable Operating Ranges at Ta = -20 to +85C, V = 0V SS Parameter Symbol Conditions min typ max unit Supply voltage (Logic) V 2.7 5.5 V DD Supply voltage (LCD) V -V *2, 3 12 32 V DD EE Input high level voltage V DIO1, DIO80, CP, M, RS/LS, IH 0.8V V DD DISPOFF Input low level voltage V DIO1, DIO80, CP, M, RS/LS, IL 0.2V V DD DISPOFF CP Shift clock f CP 1MHz CP CP pulse width t CP 63 ns WC Setup time t DIO1 CP, DIO80 CP 100 ns SETUP Hold time t DIO1 CP, DIO80 CP 100 ns HOLD CP rise time t CP 50 ns R CP fall time t CP 50ns F Note *2 The following relations between elements should be maintained: V V1>V2>V5>V , V -V27V, DD EE DD V5-V 7V EE *3 When the power supply is turned on, power to the LCD driver is turned on after or simultaneously with the turning on of the logic sections power supply. When the power supply is turned off, the logic power supply is turned off after or at the same time the LCD driver power supply is turned off. Electrical Characteristics at Ta = 252C, V = 2.7 to 5.5V DD Parameter Symbol Conditions min typ max unit Input high level current I V =V , V =5.5V, DIO1, DIO80, IH IN DD DD 1 A CP, M, RS/LS, DISPOFF Input low level current I V =V , V =5.5V, DIO1, DIO80, IL IN SS DD -1 A DISPOFF CP, M, RS/LS, Output high level voltage V I =-0.4mA, DIO1, DIO80 V-0.4 V OH OH DD Output low level voltage V I =0.4mA, DIO1, DIO80 0.4 V OL OL Driver on resistance R(1) V -V =30V, V -V =0.5V ON DD EE DE O 1.0 k V =4.5V, O1 to O80 *4 DD R(2) V -V =20V, V -V =0.5V ON DD EE DE O 1.0 k V =4.5V, O1 to O80 *4 DD Consumable current drain (1) I V -V =30V, CP=14kHz SS DD EE 100 A no-load, V =5.5V V DD SS Consumable current drain (2) I V -V =30V, CP=14kHz EE DD EE 100 A no-load, V =5.5V V DD EE Input capacitance CI f=1MHz CP 6 pF Note *4 V = V1 or V2 or V5 or V , V1 = V , V2 = 16/17 (V -V ), V5 = 1/17 (V -V ) DE EE DD DD EE DD EE Switching Characteristics at Ta = 252C, V = 0V, V = 2.7 to 5.5V SS DD Parameter Symbol Conditions min typ max unit Output delay time t CL=15pF CP DIO1, CP DIO80 250 ns PLH t CL=15pF CP DIO1, CP DIO80 250 ns PHL No. A2124-2/7