NE56631-43

INTEGRATED CIRCUITS NE56631-XX Active-LOW system reset Product data Supersedes data of 2002 Oct 07 2003 Feb 14 Philips Semiconductors Philips Semiconductors Product data Active-LOW system reset NE56631-XX GENERAL DESCRIPTION The NE56631-XX is a family of Active-LOW, power-on resets that offers precision threshold voltage detection within ±3% and super low operating supply current of typically 1.5 µA. Several detection threshold voltages are available at 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. 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 NE56631-XX is well suited for various battery powered applications such as reset circuits for logic and microprocessors, voltage check, and level detecting. FEATURES High precision threshold detection voltage: Super low operating supply current: ICCH=1.5 µA typ.; ICCL=1.0 µA typ. APPLICATIONS VS ±3% Hysteresis voltage: 50 mV typ. Internal Power-On-Reset Delay time: 20 µs 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 for microprocessor and logic circuits Voltage level detection circuit Battery voltage check circuit Detection circuit for battery backup Other detection threshold voltages available upon request at 100 mV steps from 1.9 V to 4.6 V Large low ...