SLC555 Timing Circuit The SLC555 monolithic timing circuit is a highly stable controller capable of producing accurate time delays, or oscillation. • • • • Direct Replacement for NE555 Timers Timing From Microseconds Through Hours Operates in Both Astable and Monostable Modes High Current Output Can Source or Sink 200 mA PIN ASSIGNMENT LOGIC DIAGRAM SLS System Logic Semiconductor ORDERING INFORMATION SLC555N Plastic SLC555D SOIC TA = -10° to 70° C for all packages SLC555 MAXIMUM RATINGS * Symbol VCC Tstg Parameter Supply Voltage Storage Temperature Value Unit 18 V -60 to +85 °C RECOMMENDED OPERATING CONDITIONS Symbol Parameter Min Max Unit VCC Supply Voltage 4.5 16 V TA Operating Temperature, All Package Types -10 +70 °C ELECTRICAL CHARACTERISTICS (TA =+25°C) Symbol Parameter Test Conditions Guaranteed Limits Min ICC Supply Current VCC=5.0 V, RL =∞ VCC=15 V, RL=∞ Timing Error R=1.0 kΩ to 100 kΩ Initial Accuracy C = 0.1 µF VCC=5.0 V and VCC=15 V Vth Threshold Voltage VCC=5.0 V VCC=15 V VT Trigger Voltage VCC=5.0 V VCC=15 V IT Trigger Current V02=0 V, VCC=15 V V02=15 V, VCC=15 V VR Reset Voltage VCC=15 V IR Reset Current Ith Threshold Current (Note 1) Idis Unit Max 6.0 15 mA 4 % 2.6 9 4.0 11 V 1.1 4.5 2.2 5.6 V -2 0.5 µA 1.0 V V04=0 V, VCC=15 V V04=15 V, VCC=15 V -0.4 0.5 mA µA V06=0 V, VCC=15 V V06=10 V, VCC=15 V -0.5 0.25 µA Discharge Leakage Current (Pin VCC=15 V, V07=15 V 7) 100 nA 11 4.0 V VREF Control Voltage Level VCC=15 V VCC=5.0 V VOL Output Voltage Low (VCC=15 V) Isink=10 mA, Isink=50 mA, Isink=100 mA, VCC=5.0 V, Isink=5.0 mA 0.4 9.0 2.6 V 0.25 0.75 2.3 0.35 VOH Output Voltage High Isource=200 mA,VCC=15 V Isource=100 mA, VCC=15 V Isource=100 mA, VCC=5.0 V 12 12.75 2.75 tOLH Rise Time of Output VCC=15 V 150 ns tOHL Fall Time of Output VCC=15 V 150 ns SLS V System Logic Semiconductor IL34119 Note 1. This will determine the maximum value of RA + RB for 15 V operation. The maximum total R=20 MΩ. 3