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SP708REN from SP

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SP708REN

Manufacturer: SP, SIPEX, SIPEX

3.0V/3.3V Low Power Microprocessor Supervisory Circuits

Partnumber Manufacturer Quantity Availability
SP708REN SP, SIPEX, SIPEX 500 In Stock

Description and Introduction

3.0V/3.3V Low Power Microprocessor Supervisory Circuits The SP708REN is a microprocessor supervisory circuit manufactured by SP (Signal Processing Technologies, now part of Microchip Technology). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:**  
- SP (Signal Processing Technologies, now part of Microchip Technology)  

### **Specifications:**  
- **Voltage Monitoring:** Monitors 5V, 3.3V, or adjustable voltage supplies  
- **Reset Threshold Accuracy:** ±1.5%  
- **Reset Timeout Period:** Adjustable (200ms typical)  
- **Operating Voltage Range:** 1.0V to 5.5V  
- **Low Quiescent Current:** 12µA (typical)  
- **Manual Reset Input:** Active-low (MR) with internal pull-up  
- **Power-Fail Comparator:** Monitors an auxiliary voltage  
- **Watchdog Timer:** Independent watchdog with 1.6s timeout (default)  
- **Output Configuration:** Active-low or active-high reset output  

### **Descriptions:**  
- The SP708REN is a supervisory circuit designed to monitor power supply voltages in microprocessor and digital systems.  
- It provides a reset signal to the processor if the supply voltage drops below a preset threshold.  
- Includes a watchdog timer to detect software lock-ups and a manual reset input for external system control.  

### **Features:**  
- Precision voltage monitoring for 5V, 3.3V, or adjustable systems  
- Low power consumption  
- Adjustable reset timeout period  
- Manual reset capability  
- Power-fail comparator for early warning of voltage failure  
- Watchdog timer for system integrity  
- Available in 8-pin SOIC and PDIP packages  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

3.0V/3.3V Low Power Microprocessor Supervisory Circuits

Alternative Part Number

  • MAX708RCPA --: Pin-compatible supervisory IC with the same reset threshold and active-low reset function, widely available and a direct functional drop-in.
  • ADM708RAN --: Equivalent microprocessor supervisor with matching reset threshold and pinout, offering similar performance from a major vendor.
  • IMP708RCPA --: Second-source supervisor IC with the same reset threshold and functionality, suitable as a lower-cost alternative.
  • ADM708RANZ --: Direct functional replacement for the SP708R supervisor family with matching reset threshold and pinout, from a major reputable vendor.
  • CAT708RJI --: Low-cost microprocessor reset supervisor with comparable threshold and reset output, suitable drop-in substitute for the SP708R.
  • IMP708CPA --: Second-source supervisor with identical pinout and reset threshold, commonly used as a lower-cost substitute for the SP708 series.

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