What is the Surface Mount ?

having leads that are designed to be soldered on the side of a circuit board that the body of the component is mounted on.

What is the Operating Temperature ?

The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

What is the Packaging ?

Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

What is the Part Status ?

Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

What is the Terminal Form ?

Occurring at or forming the end of a series, succession, or the like; closing; concluding.

What is the Terminal Pitch ?

The center distance from one pole to the next.

What is the Max Supply Voltage ?

In general, the absolute maximum common-mode voltage is VEE-0.3V and VCC+0.3V, but for products without a protection element at the VCC side, voltages up to the absolute maximum rated supply voltage (i.e. VEE+36V) can be supplied, regardless of supply voltage.

What is the Min Supply Voltage ?

The minimum supply voltage (V min ) is explored for sequential logic circuits by statistically simulating the impact of within-die process variations and gate-dielectric soft breakdown on data retention and hold time.

What is the Nominal Supply Current ?

Nominal current is the same as the rated current. It is the current drawn by the motor while delivering rated mechanical output at its shaft.

What is the Quiescent Current ?

The quiescent current is defined as the current level in the amplifier when it is producing an output of zero.

What is the Synchronous Rectifier ?

Synchronous rectification is a technique for improving the efficiency of rectification by replacing diodes with actively controlled switches, usually power MOSFETs or power bipolar junction transistors (BJT).

What is the RoHS Status ?

RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

PCA9535CPW | NXP USA Inc.| IC I/O EXPANDER I2C 16B 24TSSOP

Name: PCA9535CPW
Brand: NXP USA Inc.
Price: 0.28 USD
Availability: InStock
Rating: 5 (1 reviews)

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PCA9535CPW 2. Features and benefits

 Operating power supply voltage range of 2.3 V to 5.5 V 5 V tolerant I/Os Polarity Inversion register Active LOW interrupt output Low standby current Noise filter on SCL/SDA inputs

PCA9535CPW 1. General description

The PCA9535 and PCA9535C are 24-pin CMOS devices that provide 16 bits of GeneralPurpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and wasdeveloped to enhance the NXP Semiconductors family of I2C-bus I/O expanders. Theimprovements include higher drive capability, 5 V I/O tolerance, lower supply current,individual I/O configuration, and smaller packaging. I/O expanders provide a simplesolution when additional I/O is needed for ACPI power switches, sensors, push buttons,LEDs, fans, etc.The PCA9535 and PCA9535C consist of two 8-bit Configuration (Input or Outputselection), Input, Output and Polarity Inversion (active HIGH or active LOW operation)registers. The system master can enable the I/Os as either inputs or outputs by writing tothe I/O configuration bits. The data for each input or output is kept in the correspondingInput or Output register. The polarity of the read register can be inverted with the PolarityInversion register. All registers can be read by the system master. Although pin-to-pin andI2C-bus address compatible with the PCF8575, software changes are required due to theenhancements and are discussed in Application Note AN469.The PCA9535 is identical to the PCA9555 except for the removal of the internal I/Opull-up resistor which greatly reduces power consumption when the I/Os are held LOW.The PCA9535C is identical to the PCA9535 except that all the I/O pins arehigh-impedance open-drain outputs.The PCA9535 and PCA9535C open-drain interrupt output is activated when any inputstate differs from its corresponding Input Port register state and is used to indicate to thesystem master that an input state has changed. The power-on reset sets the registers totheir default values and initializes the device state machine.Three hardware pins (A0, A1, A2) vary the fixed I2C-bus address and allow up to eightdevices to share the same I2C-bus/SMBus. The fixed I2C-bus address of the PCA9535and PCA9535C are the same as the PCA9555 allowing up to eight of these devices in anycombination to share the same I2C-bus/SMBus.

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