PT7A7524
Description
The PT7A751X/752X/753X family microprocessor (P) supervisory circuits are targeted to improve reliability and accuracy of power-supply circuitry in P’s systems. These devices reduce the complexity and number of components required to monitor power-supply and battery functions.
Key Features
- Precision supply-voltage monitor - 4.63V (PT7A7511, 7521, 7531) - 4.38V (PT7A7512, 7522, 7532) - 3.08V (PT7A7513, 7523, 7533) - 2.93V (PT7A7514, 7524, 7534) - 2.63V (PT7A7515, 7525, 7535)
- 200ms reset pulse width
- Debounced TTL/CMOS-compatible manual- reset input
- Independent watchdog timer 1.6sec time-out (not available for PT7A7531 - 7535)
- Reset output signal: - Active-low only (PT7A7511 - 7515) - Active-high only (PT7A7521 - 7525) - Active-high and active-low (PT7A7531 - 7535)
- Voltage monitor for power-fail or low battery warning
- Guaranteed RESET/RESET valid at VCC=1.2V
