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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 VCC Tstg Supply Voltage Storage Temperature Parameter Value 18 -60 to +85 Unit V C
RECOMMENDED OPERATING CONDITIONS
Symbol VCC TA Supply Voltage Operating Temperature, All Package Types Parameter Min 4.5 -10 Max 16 +70 Unit V C
ELECTRICAL CHARACTERISTICS(TA =+25C)
Symbol ICC Parameter Supply Current Timing Error Test Conditions VCC=5.0 V, RL = VCC=15 V, RL= R=1.0 k to 100 k Initial Accuracy C = 0.1 F VCC=5.0 V and VCC=15 V VCC=5.0 V VCC=15 V VCC=5.0 V VCC=15 V V06,08 =0 V, VCC=15 V VCC=15 V V04,10 =0 V, VCC=15 V V02,12 =10 V, VCC=15 V VCC=15 V, V01,13 =15 V VCC=15 V VCC=5.0 V (VCC=15 V) Isink=10 mA, Isink=50 mA, Isink=100 mA, VCC=5.0 V, Isink=5.0 mA Isource=200 mA,VCC=15 V Isource=100 mA, VCC=15 V Isource=100 mA, VCC=5.0 V VCC=15 V VCC=15 V 12 12.75 2.75 300 300 9.0 2.6 0.4 2.6 9 1.1 4.5 Guaranteed Limits Min Max 12 30 4 mA % Unit
Vth VT IT VR IR Ith Idis VREF VOL
Threshold Voltage Trigger Voltage Trigger Current Reset Voltage Reset Current Threshold Current (Note 1) Discharge Leakage Current Control Voltage Level Output Voltage Low
4.0 11 2.2 5.6 -2 1.0 -0.6 0.25 100 11 4.0 0.25 0.75 2.3 0.35
V V A V mA A nA V V
VOH
Output Voltage High
V
tOLH tOHL
Rise Time of Output Fall Time of Output
ns ns
Note 1. This will determine the maximum value of RA + RB for 15 V operation. The maximum total R=20 M.
2

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