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HCF4098BM1 Folha de dados(PDF) 2 Page - STMicroelectronics |
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HCF4098BM1 Folha de dados(HTML) 2 Page - STMicroelectronics |
2 / 14 page FUNCTIONAL DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VDD* Supply Voltage : HC C Types HCF Types – 0.5 to + 20 – 0.5 to + 18 V V V i Input Voltage – 0.5 to VDD + 0.5 V I I DC Input Current (any one input) ± 10 mA Pto t Total Power Dissipation (per package) Dissipation per Output Transistor for T op = Full Package-temperature Range 200 100 mW mW T op Operating Temperature : HCC Types HCF Types –55 to + 125 –40 to + 85 °C °C T stg Storage Temperature – 65 to + 150 °C RECOMMENDED OPERATING CONDITIONS Symbol Parameter Value Unit VDD Supply Voltage : HC C Types HCF Types 3to 18 3to 15 V V VI Input Voltage 0 to VDD V T op Operating Temperature : HCC Types HCF Types – 55 to + 125 –40 to + 85 °C °C Stresses above those listed under ”Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for external periods may affect device reliability. * All voltage values are referred to VSS pin voltage. pulse one period) on the application of each new trigger pulse. For operation in the non-triggerable mode, Q is connected to –TR when leading-edge triggering (+ TR) is used or Q is connected to + TR when trailing-edge triggering (– TR) is used. The time period (T) for this multivibrator can be approximated by TX = 1/2 RX CX for CX ≥ 0.01 µF. Time periods as a function of RX for values of CX and VDD are given in fig. 8. Values of T vary from unit to unit and as a func- tion of voltage, temperature, and RX CX. The minimum value of external resistance, RX,is 5 k Ω. The maxi- mum value of external capacitance, CX, is 100 µF. Fig.9 shows time periods as a function of CX forvalues of RX and VDD. The output pulse width has vari- ations of ±2.5%typically, over the temperature range of – 55 °C to 125° Cfor CX = 1000pF and RX = 100 k Ω. For power supply variations of ± 5%, the output pulse width has variations of ± 0.5% typically, for VDD = 10V and 15V and ± 1% typically, for VDD =5 V at CX = 1000 pF and RX =5k Ω. HCC/HCF4098B 2/14 |
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