S-8264AAI-I8T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management IC
• Characteristics: Low-power consumption, high efficiency
• Package: Small outline package (SOP)
• Essence: Voltage detector with watchdog timer
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Operating Temperature Range: -40°C to +85°C
• Detection Voltage Accuracy: ±1.5%
• Watchdog Timer Timeout Period: 1.6s, 3.2s, 6.4s, or 12.8s
• Quiescent Current: 0.7μA (typical)

Detailed Pin Configuration

The S-8264AAI-I8T1U has a total of 8 pins: 1. VDD: Supply voltage input 2. GND: Ground reference 3. RESET: Output signal indicating power supply voltage is below the detection threshold 4. WDI: Watchdog timer input for system monitoring 5. MR: Manual reset input 6. CT: Capacitor connection terminal for watchdog timer timeout period adjustment 7. VOUT: Output voltage for external use 8. CE: Chip enable input for controlling the operation of the IC

Functional Features

• Voltage detection: Monitors the power supply voltage and generates a reset signal when it falls below the specified threshold.
• Watchdog timer: Provides a mechanism to reset the system if it becomes unresponsive within the set timeout period.
• Manual reset: Allows for manual resetting of the IC.
• Adjustable timeout period: The watchdog timer's timeout period can be adjusted according to the application requirements.

Advantages and Disadvantages

Advantages: - Low-power consumption - High detection voltage accuracy - Small package size - Adjustable watchdog timer timeout period

Disadvantages: - Limited supply voltage range (1.6V to 6.0V) - Requires an external capacitor for watchdog timer adjustment

Working Principles

The S-8264AAI-I8T1U operates by continuously monitoring the power supply voltage using an internal voltage reference. If the voltage falls below the detection threshold, the IC generates a reset signal (RESET) to indicate a power failure. Additionally, the watchdog timer monitors the system's activity through the WDI input. If the system becomes unresponsive within the set timeout period, the IC generates a reset signal to restart the system.

Detailed Application Field Plans

The S-8264AAI-I8T1U is commonly used in various battery-powered devices and applications where reliable power management is crucial. Some of the potential application fields include: - Portable electronic devices (e.g., smartphones, tablets, portable gaming consoles) - Wearable devices (e.g., smartwatches, fitness trackers) - Internet of Things (IoT) devices - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

1. S-8264AAB-I8T1U: Similar to S-8264AAI-I8T1U but with a different package (SOT-23-5).
2. S-8264AAC-I8T1U: Similar to S-8264AAI-I8T1U but with a wider supply voltage range (1.2V to 6.0V).
3. S-8264AAD-I8T1U: Similar to S-8264AAI-I8T1U but with a longer watchdog timer timeout period (25.6s).

(Note: The above alternative models are provided for illustrative purposes and may not represent an exhaustive list of alternatives.)

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