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MAX1232CSA
+NomenclatureIC SUPERVISOR 1 CHANNEL 8SOIC
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FabricantAnalog Equipment GmbH / intégration Maxim
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Pièce fabricant #MAX1232CSA
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Package SOIC-8
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En stock5127
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Spécifications
| Attribut | Valeur |
| Package / Case | Tube |
| Part Status | Obsolete |
| Type | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 |
| Voltage - Threshold | 4.37V, 4.62V |
| Output | Open Drain or Open Collector |
| Reset | Active High/Active Low |
| Reset Timeout | 250ms Minimum |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
Présentation
Description
Key features of the MAX1232CSA include:
1. Reset Output: It generates a reset signal for a predefined time period when the supply voltage dips below the threshold level or when the watchdog timer times out.
2. Watchdog Timer: This feature ensures the microprocessor is functioning properly. If the microprocessor fails to reset the watchdog timer within the allocated time, the MAX1232CSA issues a reset signal.
3. Voltage Monitoring: The device monitors the supply voltage and initiates a reset if it drops below a safe operating level.
These features make the MAX1232CSA ideal for applications requiring high reliability and system stability.
Equivalent
Features
1. Voltage Monitoring: It monitors the system's power supply voltage and initiates a reset if the voltage falls below a preset threshold.
2. Reset Functions: Provides a reset pulse of a fixed duration when the supply voltage drops below the threshold or if it detects a manual reset.
3. Watchdog Timer: Includes a watchdog timer that requires periodic toggling from the microprocessor to avoid automatic system resets, ensuring the system is running correctly.
4. Manual Reset: Allows for a manual reset option via an external push-button.
5. Low Power Consumption: Designed to operate with low power, making it suitable for battery-powered applications.
6. Package: Available in an 8-pin SOIC package.
These features make the MAX1232CSA ideal for enhancing system reliability by ensuring proper operation and recovery from faults in microprocessor-based systems.
Pinout
Here is a brief description of the pin functions:
1. VCC (Pin 1): Power supply input.
2. GND (Pin 2): Ground reference for the device.
3. NC (Pin 3): No connection, often used for mechanical stability.
4. TOL (Pin 4): Tolerance pin to select the reset threshold level.
5. TD (Pin 5): Timeout delay set pin; connects to a capacitor to set the timeout delay period.
6. PBRST (Pin 6): Push-button reset input; debounced input to manually reset the microprocessor.
7. RST (Pin 7): Active-low reset output; signals a reset to the microprocessor.
8. RST (Pin 8): Active-high reset output; complementary to the active-low reset.
This device helps ensure reliable operation of a microprocessor by monitoring supply voltage and providing necessary reset signals.
Manufacturer
Application
1. Embedded Systems: Ensures reliable operation by providing reset capabilities during power-up, power-down, and brownout conditions.
2. Computers and Servers: Monitors voltage and watchdog timing to help prevent system crashes or hangs.
3. Consumer Electronics: Maintains system integrity in devices like set-top boxes and home appliances.
4. Industrial Control Systems: Enhances reliability by overseeing processor operation in harsh environments.
5. Networking Equipment: Manages and protects routers, switches, and other critical networking hardware.
Overall, the MAX1232CSA is crucial for any application requiring robust microprocessor monitoring and reset management.