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| TECHNICAL DATA ILC556N General purpose dual timer ILC556N/D is designed to be used: as high-precision pulse oscillator with adjustable frequency and on-off time ratio; for producing accurate time delays using external resistors and capacitors; as a timer in domestic appliances, in measuring equipment, computers; as functional units in electronic instruments. The timer may be used as oscillator producing accurate time delays and frequencies. In astable mode the pulse width of each circuit is controlled by one external resistor and capacitor. In monostable mode, when used as oscillator, its own frequency of oscillation and on-off time ratio are controlled by two external resistors and one capacitor. Unlike bipolar timer, CONTROL VOLTAGE output does not require any capacitor decoupling. TRIGGER, RESET inputs are active as per low level. Output inverter provides sufficient drain and source currents to control TTL-loads, and provides minimum bias when controlling CMOS-loads. Input voltage levels are compatible with standard CMOS levels. * * * * * * * * * * * ORDERING INFORMATION ILC556N Plastic ILC556D SOIC TA = -20 to 70 C for all packages Output voltage levels are compatible with input levels of CMOS ICs. Supply current: not more than 600 A. Supply voltage range: from 2.0 to 18V. Input current: 50, 100 pA at T=25 . Output current: 20 mA. Timing from microseconds to hours. Operates both in astable and monostable modes. Adjustable duty cycle. Temperature stability: 0.06%/. Latch current not less than 100 mA at T=70 . Allowed static potential value: not less than 2000V (HBM) and not less than 200 V (). Pin Configuration DISCHARGE1 01 14 13 12 VCC THRESHOLD1 02 CONTROL VOLTAGE1 03 RESET1 OUTPUT1 TRIGGER1 GND 04 05 06 07 DISCHARGE2 THRESHOLD2 CONTROL VOLTAGE2 RESET2 OUTPUT2 TRIGGER2 ILC556N 11 10 09 08 Figure 1 1 ILC556 Truth Table THRESHOLD X > 2/3 VCC < 2/3 VCC X TRIGGER X > 1/3 VCC > 1/3 VCC < 1/3 VCC RESET L H H H OUTPUT L L STABLE H DISCHARGE ON ON STABLE OFF Maximum ratings and recommended operating conditions Parameter, unit Symbol Recommended operating conditions Typical Min Supply voltage, V Output current, mA Input voltage, V Power dissipation, mW Operating temperature, Storage temperature, Lead solder temperature, (10 sec max) VCC IO VTH, VTRIG, VRST PD TOPR TSTG TSOLDER 2.0 -20 Max 18.0 20 70 Min 0 -0.3 -20 -65 Maximum ratings Typical Max 18.0 100 VCC+0.3 300 85 150 260 2 ILC556 AC characteristics Parameter Threshold voltage, VCC Trigger voltage, VCC 2.0 Reset voltage, V VRST 18.0 2.0 18.0 Control voltage, VCC Output voltage, LOW, V VOL IOL = 3.2 IOL = 20 IOL = 3.2 IOL = 20 Output voltage, HIGH, V VOH IOH = -0.8 5.0 15.0 5.0 15.0 5.0 15.0 5.0 15.0 2.0 Supply current , ICC 18.0 2.0 18.0 4.0 14.3 3.5 14.0 400 600 800 1000 -20, 70 2510 -20, 70 VCV 0.65 0.60 0.69 0.80 0.4 1.0 0.6 1.5 2510 -20, 70 2510 -20, 70 2510 0.2 1.5 -20, 70 VTRIG 5.0 Symbol IOL, IOH VTH Condition VCC, V 5.0 Min 0.65 0.60 0.31 0.28 0.4 Typical Max 0.70 0.80 0.36 0.40 1.0 Temperature, 2510 -20, 70 2510 -20, 70 2510 3 ILC556 DC characteristics Parameter Symbol RL, CL Clock rise and fall time, ns Maximum oscillation frequency, kHz Initial frequency, % Oscillation frequency temperature ratio, %/ Oscillation frequency instability, %/V tTHL, tTLH RL = 10 hm, CL = 10 pF fMAX Monostable mode Condition VCC, V 5.0 Min 500 200 5 Typical Max 75 150 Temperature 2510 -20, 70 2510 -20, 70 -20, 70 2.018.0 5.0 10.0 15.0 5.0 f RL = 1 - 100 khm, CL = 0.1 F f 0.02 0.03 0.06 3 6 2510 -20, 70 Vcc R Comparator A RESET Trigger THRESHOLD CONTROL VOLTAGE + - OUTPUT DISCHARGE R + TRIGGER R - Comparator B Figure 2 - Block diagram VCC 0.9 TRIGGER tHL 0.9 OUTPUT 0.1 0.1 GND 0.1 GND VCC 0.9 tTLH tTHL Figure 3 - Time diagram 4 ILC556 N SUFFIX PLASTIC DIP (MS - 001AA) A 14 8 B 1 7 Dimension, mm Symbol A B C MIN 18.67 6.1 MAX 19.69 7.11 5.33 0.36 1.14 2.54 7.62 0 2.92 7.62 0.2 0.38 10 3.81 8.26 0.36 0.56 1.78 F L D F C -T- SEATING N G D 0.25 (0.010) M T K PLANE G H H J M J K L M N NOTES: 1. Dimensions "A", "B" do not include mold flash or protrusions. Maximum mold flash or protrusions 0.25 mm (0.010) per side. D SUFFIX SOIC (MS - 012AB) Dimension, mm 8 A 14 Symbol A MIN 8.55 3.8 1.35 0.33 0.4 1.27 5.27 0 0.1 0.19 5.8 0.25 MAX 8.75 4 1.75 0.51 1.27 H B P B C 1 G 7 C R x 45 D F G -TD 0.25 (0.010) M T C M K SEATING PLANE H J F M J K M P R 8 0.25 0.25 6.2 0.5 NOTES: 1. Dimensions A and B do not include mold flash or protrusion. 2. Maximum mold flash or protrusion 0.15 mm (0.006) per side for A; for B 0.25 mm (0.010) per side. 5 |
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