IQ82C55AZ

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The IQ82C55AZ is a versatile input/output (I/O) expander that can come in handy in many situations. It features a 6-bit tri-state, open-drain I/O port, allowing it to be used as both an input and an output peripheral. This expander is often used in systems that require the ability to quickly control multiple I/O lines in a short amount of space. The IQ82C55AZ has several features which make it attractive to system designers and engineers, including built-in voltage monitoring and an auto-reset timer.

The IQ82C55AZ also integrates a temperature sensor and current sources, which can be used for critical system monitoring needs. The device also includes a voltage monitor and power-on reset circuit, which can protect against power surges and enable proper system startup. The device can be interfaced using the widely supported I2C bus protocol, making it easy to integrate the IC into existing systems.

The device works by connecting to an 8-bit tri-state, open-drain I/O port. When a certain I/O line is turned on, it allows the driving voltage to enter the expander and supply power to the applications located behind it. Furthermore, the expander can be connected to an external ground if needed. The IQ82C55AZ also offers a variety of frequency options and can be used with a wide range of logic families, including TTL and CMOS.

The device includes several protection measure, such as a temperature sensor, that can be used to track device temperature and protect the system from being damaged due to high temperatures. It also has a power-on reset circuit, which can be used to ensure system startup. In addition, the IQ82C55AZ features a volt-adjustable power supply, which can be set to a range of voltages, allowing the expander to be used in a variety of applications.

The IQ82C55AZ is popular with many system designers and engineers because it is a small-footprint device that can quickly control multiple I/O lines in a short amount of space. It is also robust, as it integrates numerous protection measures and features a wide range of voltage and frequency settings. With these features, the IQ82C55AZ is ideal for use in a variety of systems that require the ability to quickly and safely control multiple I/O lines without taking up too much space.

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