FEATURES
Precision supply-voltage monitor - 4.63V (PT7M78xxL) - 4.38V (PT7M78xxM) - 3.08V (PT7M78xxT) - 2.93V (PT7M78xxS) - 2.63V (PT7M78xxR) - 2.32V (PT7M78xxZ) - 2.20V (PT7M78xxY) - 4.00V (PT7M78xxJ) - 2.25V (PT7M78xxK) - 2.80V (PT7M78xxG) 200ms reset pulse width Debounced CMOS-compatible manual-reset input (7811, 7812, 7823, 7825) Reset Output Signal for Watchdog and Power Abnormal, Manual Reset Reset Push-Pull output (PT7M7809,7811,7823, 7824,7825) Reset Open-Drain output (PT7M7803) Voltage monitor for power-fail or low battery warning Guaranteed RESET/RESET valid at VCC=1.0V PT7M7803/7809-7812/7823-7825 μP Supervisor Circuits DESCRIPTION
The PT7M78xx family microprocessor (P) supervisory circuits are targeted to improve reliability and accuracy of power-supply circuitry in P systems. The main functions are: 1. Asserting reset output during power-up, powerdown and brownout conditions for P system. 2. Watchdog functions 3. Manual reset. APPLICATIONS
Power-supply circuitry in P systems Networking Security System Server/Storage Embedded System Function Comparison Table Part No.