Low-Cost, uP Supervisory Circuits The MAX706CPA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features:
### **Specifications:**
- **Manufacturer:** Maxim Integrated
- **Type:** Microprocessor Supervisory Circuit
- **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)
- **Operating Voltage Range:** 1.0V to 5.5V
- **Reset Threshold Options:** 4.40V, 4.00V, 3.08V, 2.93V, 2.63V, 1.80V (factory-set)
- **Reset Timeout Period:** 200ms (min)
- **Operating Temperature Range:** 0°C to +70°C
- **Watchdog Timer:** 1.6s (typical)
- **Manual Reset Input:** Yes (active-low)
- **Power-Fail Comparator:** Yes
### **Descriptions:**
The MAX706CPA monitors system voltages for microprocessors and ensures proper operation during power-up, power-down, and brownout conditions. It provides a reset signal to the μP if the supply voltage drops below a preset threshold. It also includes a watchdog timer to detect software lockups and a manual reset input for user-initiated resets.
### **Features:**
- **Precision Voltage Monitoring:** Ensures reliable μP reset during power anomalies.
- **Watchdog Timer:** Detects software failures by requiring periodic toggling.
- **Manual Reset Input:** Allows external pushbutton reset.
- **Power-Fail Comparator:** Early warning for impending power loss.
- **Low Power Consumption:** Typically 50μA supply current.
- **Guaranteed Reset Valid to VCC = 1V:** Ensures reset remains active even at low voltages.
This information is based on the manufacturer's datasheet.
