DS1232L
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The DS1232L MicroMonitor Chip is a precision monitoring circuit that ensures the proper operation of microprocessor-based systems. It provides several functions, including reset pulse generation on power-up and power-down, push-button reset control, and watchdog timer to guard against system lockup. The DS1232L is designed to operate over a wide supply voltage range, making it suitable for a variety of applications.
Key Features:
- Power supply monitoring and reset generation
- Push-button reset input
- Watchdog timer to prevent system lockup
- Precision temperature-compensated voltage reference and comparator
- Reset timeout period adjustable
- Low power consumption
- Compact 8-pin DIP/SOIC package
- Supply Voltage (VCC): 4.5V to 5.5V (standard version), 3.0V to 5.5V (low-voltage version)
- Reset Threshold Voltage: 4.37V (standard version), 2.63V (low-voltage version)
- Reset Timeout Period: 250ms, 600ms, or 1.2s (adjustable)
- Watchdog Timeout Period: 150ms, 600ms, or 1.2s (adjustable)
- Operating Temperature Range: -40°C to +85°C
- Package: 8-pin DIP/SOIC
- Microprocessor Systems: Ensures proper reset and watchdog functionality in microprocessor-based systems.
- Embedded Systems: Provides system monitoring and control in embedded applications.
- Industrial Control: Used in industrial control systems to ensure reliable operation.
- Telecommunications: Ensures stability and reliability in communication equipment.
- Consumer Electronics: Integrated into various consumer electronic devices for enhanced reliability.
- Automotive Systems: Suitable for automotive applications requiring robust system monitoring.
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment