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NE56632-43D Datasheet(PDF) 2 Page - NXP Semiconductors |
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NE56632-43D Datasheet(HTML) 2 Page - NXP Semiconductors |
2 / 16 page Philips Semiconductors Product data NE56632-XX Active-LOW system reset with adjustable delay time 2 2002 Mar 25 853–2329 27919 DESCRIPTION The NE56632-XX is a family of Active-LOW, power-on reset that offers precision threshold voltage detection within ±1.5% and super low operating supply current of typically 3.0 µA. It includes a reset delay that is user adjustable with an external capacitor. Several detection threshold voltages are available at 1.9V , 2.0 V, 2.7 V, 2.8 V, 2.9 V, 3.0 V, 3.1 V, 4.2 V, 4.3 V, 4.4 V, 4.5 V, and 4.6 V. Other thresholds are offered upon request at 100 mV steps from 1.9 V to 4.6 V. With its ultra low supply current and high precision voltage threshold detection capability, the NE56632-XX is well suited for various battery powered applications such as reset circuits for logic and microprocessors, voltage check, and level detecting. It is available in the SOT23-5 package. FEATURES • High precision threshold detection voltage: V S ±1.5% • Super low operating supply current: 3 µA typ. • Built-in hysteresis voltage: 50 mV typ. • Detection threshold voltage: 1.9 V, 2.0 V, 2.7 V, 2.8 V, 2.9 V, 3.0 V, 3.1 V, 4.2 V, 4.3 V, 4.4 V, 4.5 V, and 4.6 V. • Reset Output: Active-LOW, open collector • Other detection threshold voltages available upon request at 100 mV steps from 1.9 V to 4.6 V. • Large low reset output current: 30 mA typ. • Power-on reset delay time adjustable with external capacitor: 200 µs to 200 ms • Reset assertion with V CC down to 0.65 V APPLICATIONS • Reset for microprocessor and logic circuits • Voltage level detection circuit • Battery voltage check circuit • Detection circuit for battery back-up SIMPLIFIED SYSTEM DIAGRAM 12 3 4 5 NE56632-XX RPU TO RESET TERMINAL OF CPU SL01605 CD TO VCC Figure 1. Simplified system diagram. |
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