Overview
The MC33064DM-TR is an undervoltage sensing circuit produced by Microsemi Corporation, now part of onsemi. This component is specifically designed for use as a reset controller in microprocessor-based systems. It provides an economical solution for low voltage detection with a single external resistor. Although the MC33064DM-TR is listed as obsolete, its design and functionality remain relevant for understanding undervoltage sensing in various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Power Input Supply Voltage | -1.0 to 10 | V |
| Reset Output Voltage | 10 | V |
| Reset Output Sink Current | Internally Limited | mA |
| Clamp Diode Forward Current | 100 | mA |
| Operating Junction Temperature | +150 | °C |
| Operating Ambient Temperature | -40 to +85 | °C |
| Storage Temperature Range | -65 to +150 | °C |
| Comparator Threshold Voltage (High State Output) | 4.61 | V |
| Comparator Threshold Voltage (Low State Output) | 4.59 | V |
| Hysteresis | 0.02 | V |
| Quiescent Input Current (Vin = 5.0 V) | 390 to 500 | μA |
Key Features
- Trimmed-In-Package Temperature Compensated Reference: Ensures precise voltage thresholds over a wide temperature range.
- Precise Comparator Thresholds: Guaranteed over temperature to prevent erratic reset operations.
- Comparator Hysteresis: Prevents oscillations and ensures stable reset signals.
- Reset Output Capable of Sinking in Excess of 10 mA: Suitable for driving various loads.
- Internal Clamp Diode for Discharging Delay Capacitor: Helps in managing reset timing accurately.
- Guaranteed Reset Operation with 1.0 V Input: Ensures functionality even at low input voltages.
- Low Standby Current: Minimizes power consumption in idle states.
- Economical and Compact Packages: Available in TO-92, TSOP-5, SOIC-8, and Micro8 surface mount packages.
- Pb-Free and RoHS Compliant: Meets environmental and regulatory standards.
Applications
The MC33064DM-TR is used in various applications requiring undervoltage detection and reset control, including:
- Appliance Control Systems: Monitors power supply voltages to ensure proper operation.
- Automotive Systems: Used in automotive electronics for reliable voltage monitoring.
- Consumer Electronics: Ensures stable operation of consumer devices by monitoring power supply voltages.
- Industrial Equipment: Provides reliable reset functionality in industrial control systems.
Q & A
- What is the primary function of the MC33064DM-TR?
The MC33064DM-TR is an undervoltage sensing circuit designed to act as a reset controller in microprocessor-based systems.
- What are the key features of the MC33064DM-TR?
Key features include a trimmed-in-package temperature compensated reference, precise comparator thresholds, comparator hysteresis, and a reset output capable of sinking in excess of 10 mA.
- What are the operating temperature ranges for the MC33064DM-TR?
The operating ambient temperature range is -40°C to +85°C, and the storage temperature range is -65°C to +150°C.
- What types of packages are available for the MC33064DM-TR?
The component is available in TO-92, TSOP-5, SOIC-8, and Micro8 surface mount packages.
- Is the MC33064DM-TR Pb-Free and RoHS compliant?
- What is the typical quiescent input current of the MC33064DM-TR?
The quiescent input current is typically between 390 μA to 500 μA at Vin = 5.0 V.
- Can the MC33064DM-TR operate at low input voltages?
- What is the purpose of the internal clamp diode in the MC33064DM-TR?
The internal clamp diode is used for discharging delay capacitors, helping in managing reset timing accurately.
- In which applications is the MC33064DM-TR commonly used?
- Is the MC33064DM-TR still in production?
