
Philips Electronics
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.
FEATURES
• High precision threshold detection voltage: VS ±3%
• Super low operating supply current:
ICCH=1.5 µA typ.; ICCL=1.0 µA typ.
• 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
• 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.
• Reset assertion with VCC down to 0.65 V typ.
APPLICATIONS
• Reset for microprocessor and logic circuits
• Voltage level detection circuit
• Battery voltage check circuit
• Detection circuit for battery backup