TECHNICAL DATA IN556 Timing Circuit The IN556 monolithic timing circuit is a highly stable controller capable of producing accurate time delays, or oscillation. • Timing From Microseconds Through Hours • Operates in Both Astable and Monostable Modes • High Current Output Can Source or Sink 200 mA PIN ASSIGNMENT ORDERING INFORMATION IN556N Plastic IN556D SOIC TA = -10° to 70° C for all packages LOGIC DIAGRAM 1 IN556 MAXIMUM RATINGS* Symbol Parameter VCC Supply Voltage Tstg 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 Max Supply Current VCC=5.0 V, RL =∞ VCC=15 V, RL=∞ 12 30 mA Timing Error R=1.0 kΩ to 100 kΩ Initial Accuracy C = 0.1 µF VCC=5.0 V and VCC=15 V 4 % Vth Threshold Voltage VCC=5.0 V VCC=15 V 2.6 9 4.0 11 V VT Trigger Voltage VCC=5.0 V VCC=15 V 1.1 4.5 2.2 5.6 V IT Trigger Current V06,08 =0 V, VCC=15 V -2 µA VR Reset Voltage VCC=15 V 1.0 V IR Reset Current V04,10 =0 V, VCC=15 V -0.6 mA Ith Threshold Current (Note 1) V02,12 =10 V, VCC=15 V 0.25 µA Idis Discharge Leakage Current VCC=15 V, V01,13 =15 V 100 nA VREF Control Voltage Level VCC=15 V VCC=5.0 V 11 4.0 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 tOLH Rise Time of Output VCC=15 V 300 ns tOHL Fall Time of Output VCC=15 V 300 ns Note 1. This will determine the maximum value of RA + RB for 15 V operation. The maximum total R=20 MΩ. 2 Unit 12 12.75 2.75 V