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Austriamicrosystems expands its supervisory portfolio with the AS1907-09 family of microprocessor supervisory ICs. The addition to this family is suitable for monitoring the supply voltages of 1.8 to 3.3 V systems. Highly reliable, the AS1907-09 family devices monitor the supply voltage of digital systems and microprocessors and initiate a reset if the voltage decreases below a certain threshold. The reset threshold itself has an outstanding accuracy of צ.9%. Reset thresholds from +1.6 to +2.5 V are available in approximately 100 mV increments. Each device is available with three minimum reset timeout period options of 1ms, 20 ms, or 100 ms. The product family offers three devices with different output drivers. The AS1907 has a push-pull driver with an active low reset. The AS1908 uses the same output stage, but has an active high reset. The AS1909 has an open drain output with an active low reset

Austriamicrosystems