+3V Voltage Monitoring, Low-Cost, µP Supervisory Circuits The MAX706SCPA+ is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features:
### **Specifications:**
- **Manufacturer:** Maxim Integrated
- **Part Number:** MAX706SCPA+
- **Package:** 8-PDIP
- **Operating Voltage Range:** 1.0V to 5.5V
- **Reset Threshold Options:** 4.40V, 4.00V, 3.08V, 2.93V, 2.63V, 2.32V (adjustable via external resistor)
- **Reset Timeout Period:** 200ms (min)
- **Watchdog Timeout Period:** 1.6s (nominal)
- **Operating Temperature Range:** 0°C to +70°C
- **Manual Reset Input:** Yes (active-low)
- **Power-Fail Comparator:** No
- **Quiescent Current:** 35μA (typ)
### **Descriptions:**
The MAX706SCPA+ is a supervisory circuit designed to monitor power supply voltages in microprocessor-based systems. It provides a reset signal to the μP during power-up, power-down, or brownout conditions. It also includes a watchdog timer to detect software lockups and a manual reset input for external system reset control.
### **Features:**
- **Precision Voltage Monitoring:** Ensures reliable reset generation at specified thresholds.
- **Watchdog Timer:** Detects system lockups and triggers a reset if not cleared within 1.6s.
- **Manual Reset Input:** Allows external push-button reset functionality.
- **Low Power Consumption:** 35μA typical quiescent current.
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures proper operation even at low voltages.
- **No External Components Required:** Simplifies circuit design (except for adjustable threshold models).
- **Space-Saving 8-Pin Package:** Available in PDIP and SOIC options.
This information is based on the manufacturer's datasheet and technical documentation.
