Key Features:
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16 Additional GPIO Pins – Expand your microcontroller’s I/O without upgrading hardware
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I²C Bus Communication – Requires only two data lines (SCL & SDA)
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Interrupt Capability – Trigger actions immediately based on input state changes
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Individually Configurable Pins – Input/output, pull-ups, interrupts, and polarity
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Low Power Standby – Suitable for battery-operated systems
Technical Specifications:
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Operating Voltage: 1.8V – 5.5V
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Communication Interface: I²C (up to 1.7 MHz)
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Number of GPIO Pins: 16 (2 x 8-bit ports)
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Interrupt Support: 2 interrupt output pins
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Pull-Up Resistors: Configurable per pin
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Package Type: DIP-28
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Operating Temperature: -40°C to +125°C
Applications:
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Home Automation Systems
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Robotics and Mechatronics
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Industrial Control Panels
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Sensor and Peripheral Expansion
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STEM and Educational Kits