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The TCAL9539RTWRQ1 device provides general-purpose parallel input/output (I/O) expansion for the two-wire bidirectional I 2C bus (or SMBus) protocol and is designed for 1.08-V to 3.6-V V CC operation.

The device supports 100 kHz (standard mode), 400 kHz (fast mode), and 1-MHz (fast mode-plus) I 2C clock frequencies. When additional I/O is required for switches, sensors, pushbuttons, LEDs, fans, etc., an I/O expander such as the TCAL9539-Q1 provides a simple solution.

The TCAL9539RTWRQ1 features Agile I/O ports with additional features designed to improve I/O performance in terms of speed, power consumption, and EMI. These additional features include: programmable output drive strength, programmable pull-up and pull-down resistors, latchable inputs, maskable interrupts, interrupt status registers, and programmable open-drain or push-pull outputs.

Features

Certified to AEC-Q100 for automotive applications:

Temperature Class 1: -40°C to +125°C, T A

Supports functional safety

Documentation is available to assist in the design of functionally safe systems

Operating supply voltage range of 1.08 V to 3.6 V

Low standby current consumption of 1 µA typical at 1.8 V

1-MHz fast mode and I 2C bus

Hardware address pin allows two devices to use the same I2C, SMBus bus

Active low reset input (RESET)

Open-drain active-low interrupt output (INT)

Input or output configuration registers

Polarity inversion register

Configurable I/O drive strength register

Pull-up and pull-down resistor configuration registers

Internal power-on reset

Noise filter on SCL or SDA inputs

Latching outputs with high-current maximum drive capability to directly drive LEDs

Latching performance in excess of 100 mA per AEC Q100-004 standard

ESD protection exceeds AEC-Q100 requirements

4000-V human body model (AEC - Q100-002)

1000 V charging device model (AEC - Q100-011)

Applications

- Automotive infotainment systems and clusters

- Body electronics and lighting

- Hybrid, electric and powertrain systems

- Industrial transport

- Products using GPIO-limited processors

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.