MC33064: Voltage Supervisor, Undervoltage Sensing Circuit
The MC33064/MC34064 is an undervoltage sensing circuit specifically designed for use as a reset controller in microprocessor-based systems. It offers the designer an economical solution for low voltagedetection with a single external resistor. The MC33064/MC34064 features a trimmed-in-package bandgap reference, and a comparator with precise thresholds and built-in hysteresis to prevent erratic reset operation. The open collector reset output is capable of sinking in excess of 10 mA, and operation is guaranteed down to 1.0 V input with low standby current. The MC devices are packaged in 3-pinTO-226AA, 8-pin SO-8,Micro-8 and 5pin SOT-23/TSOP-5 surface mount packages. The NCV device is packaged in SO-8 and TO-226AA. Applications include direct monitoring of the 5.0 V MPU/logic power supply used in appliance, automotive, consumer and industrial equipment.
Features- Trimmed-In-Package Temperature Compensated Reference
- Comparator Threshold of 4.6 V at 25° C
- Precise Comparator Thresholds Guaranteed Over Temperature
- Comparator Hysteresis Prevents Erratic Reset
- Reset Output Capable of Sinking in Excess of 10 mA
- Internal Clamp Diode for Discharging Delay Capacitor
- Guaranteed Reset Operation with 1.0 V Input
- Low Standby Current
- Economical TO-226AA, SO-8, Micro-8 and SOT-23/TSOP-5 Surface Mount Packages
- Pb-Free Packages are Available
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Data Sheets (1)
Package Drawings (4)
Order Information
| Product | Status | Compliance | Package | MSL* | Container | Budgetary Price/Unit |
|---|
| MC33064D-5G | Active | Pb-free
Halide free | SOIC-8 | 751-07 | 1 | Tube | 98 | Contact BDTIC |
| MC33064D-5R2G | Active | Pb-free
Halide free | SOIC-8 | 751-07 | 1 | Tape and Reel | 2500 | $0.4267 |
| MC33064DM-5R2G | Active | Pb-free
Halide free | Micro8™ | 846A-02 | 1 | Tape and Reel | 4000 | Contact BDTIC |
| MC33064P-5G | Active | Pb-free
Halide free | TO-92 | 29-11 | NA | Bulk Bag | 2000 | $0.4267 |
| MC33064P-5RAG | Active | Pb-free
Halide free | TO-92 | 29-11 | NA | Tape and Reel | 2000 | Contact BDTIC |
| MC33064P-5RPG | Active | Pb-free
Halide free | TO-92 | 29-11 | NA | Fan-Fold | 2000 | Contact BDTIC |
| MC33064SN-5T1G | Active | Pb-free
Halide free | TSOP-5 / SOT-23-5 | 483 | 1 | Tape and Reel | 3000 | Contact BDTIC |
| MC33064D-005 | Obsolete | | SOIC-8 | 751-07 | 1 | Tube | 98 | |
| MC33064D-5R2 | Last Shipments | | SOIC-8 | 751-07 | 1 | Tape and Reel | 2500 | |
| MC33064DM-5R2 | Obsolete | | Micro8™ | 846A-02 | 1 | Tape and Reel | 4000 | |
| MC33064P-005 | Obsolete | | TO-92 | 29-11 | NA | Bulk Bag | 2000 | |
| MC33064P-5RA | Obsolete | | TO-92 | 29-11 | NA | Tape and Reel | 2000 | |
| MC33064P-5RP | Obsolete | | TO-92 | 29-11 | NA | Fan-Fold | 2000 | |
| MC33064SN-5T1 | Obsolete | | TSOP-5 / SOT-23-5 | 483 | 1 | Tape and Reel | 3000 | |
Specifications
| Product | Voltages Monitored | VCC Max (V) | V(TO) Typ (V) | IQ Typ (µA) | Reset Active State | Reset Timer | Manual Reset | Watchdog Timer |
|---|
| MC33064D-5G | 1 | 6.5 | 4.61 | 390 | Low | No | No | No |
| MC33064D-5R2G | 1 | 6.5 | 4.61 | 390 | Low | No | No | No |
| MC33064DM-5R2G | 1 | 6.5 | 4.61 | 390 | Low | No | No | No |
| MC33064P-5G | 1 | 6.5 | 4.61 | 390 | Low | No | No | No |
| MC33064P-5RAG | 1 | 6.5 | 4.61 | 390 | Low | No | No | No |
| MC33064P-5RPG | 1 | 6.5 | 4.61 | 390 | Low | No | No | No |
| MC33064SN-5T1G | 1 | 6.5 | 4.61 | 390 | Low | No | No | No |
