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| Semiconductor S7145SF Bipolar Linear Integrated Circuit Description * As Control Circuit of Battery-Backed Memory * As Measure Against Erroneous Operations at Power On-Off * As Resetting Function for the CPU-Mounted Equipment --- PC, Printer, VTR, Fax, C-TV etc. * As Measure Against System Runaway at Instantaneous Break of Power Supply etc. Features * Current Consumption is Low (ICCL=300 Typ. ICCH=30 Typ.) * Resetting Output Minimum Guarantee Voltage is Low (0.8V Typ.) * Hysteresis Voltage is Provided (50 Typ.) Ordering Information Type NO. S7145SF Marking 745 Package Code SOT-23F Outline Dimensions unit : mm 2.40.1 1.60.1 Equivalent Circuit 1 2.90.1 1.90 BSC 2. Vcc 3 0.40.05 1. OUT 2 0.150.05 3. GND PIN Connections 1. Out 2. Vcc 3. GND 0.90.1 0~0.1 KSI-2038-000 1 S7145SF Absolute maximum ratings Characteristic Supply voltage Power Dissipation (Package Limitation) Operating Temperature Storage Temperature (Ta=25C) Symbol VCC PD* Topr Tstg Ratings -0.3 ~ +15 300 -30 ~ +75 -55 ~ +150 Unit V * With PCB(8x8 Copper Area) at Glass Epoxy Board (t=1.7 , Area; 20x20 ) Electrical Characteristics Characteristic Detecting voltage Low Level Output voltage Output Leakage Current Hysteresis Voltage Detecting Voltage Temperature Coefficient Circuit current at on Time Circuit current at off Time Threshold Operating Voltage 'L' Transmission Delay Time 'H' Transmission Delay Time Output Current at on Time I Output Current at on Time II (Ta=25C) Symbol VS VOL IOH VS VS/ T ICCL ICCH Vopr tPHL tPLH IOLI IOLII Test Circuit 1 1 1 1 1 1 1 1 2 2 1 1 Test Condition RL=200 , VOL 0.4V RL=200 VCC=15V RL=200 RL=200 VCC = VSmin - 0.05V VCC=5.25V RL=200 , VOL 0.4V RL=1.0 , CL=100 RL=1.0 , CL=100 VCC = VSmin - 0.05V Ta = 25 VCC = VSmin - 0.05V Ta = -30~+75 Min. 4.35 30 20 16 Typ. 4.5 50 0.01 300 30 0.8 10 15 - Max. 4.65 0.4 0.1 100 500 50 - Unit V V A %/ A A V Test Circuit 1 Test Circuit 2 KSI-2038-000 2 S7145SF Electrical Characteristic Curves Fig. 1 VOUT -VCC Fig. 2 ICC -VCC Fig. 3 ICCH-Temp Fig. 4 IOL -RL KSI-2038-000 3 |
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