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PCA9535RGER The Texas Instruments PCA9535RGER is a 16-bit I2C/SMBus I/O expander. It operates over a voltage range of 2.3V to 5.5V and features an interrupt output.
Mfr Part #:

PCA9535RGER

Available from 6 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments PCA9535RGER is a 16-bit I2C/SMBus I/O expander. It operates over a voltage range of 2.3V to 5.5V and features an interrupt output.
✓ Total Stock: 105,448 pcs
$ Price Range: $0.75

PCA9535RGER Available from 6 distributors

✓ Authorised
✓ Non-Authorised
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PCA9535RGER Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Current
ESD Protection
Features
Interface
Interrupt Output
Latch-up Performance
Lead Spacing
Mounting Type
Number of I
Operating Temperature
Output Type
Supplier Device Package
Supplier Package
Voltage
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PCA9535RGER Description

Short technical summary and product information.

The Texas Instruments PCA9535RGER is a 16-bit I/O expander designed for I2C and SMBus interfaces. It operates with a supply voltage ranging from 2.3V to 5.5V and supports a maximum clock frequency of 400 kHz.

 

This device offers 16 I/O pins that can be configured via registers. It includes features such as a power-on reset (POR), an open-drain active-low interrupt output, and 5-V tolerant I/O ports. The expander is compatible with most microcontrollers and allows for addressing up to eight devices using three hardware address pins.

 

The PCA9535RGER is available in a 24-VQFN (4x4) surface-mount package. It has an operating temperature range of -40°C to 85°C. The outputs feature high-current drive capability suitable for directly driving LEDs, and the device exhibits latch-up performance exceeding 100 mA.

 

Key electrical characteristics include a low standby current consumption of 1 µA maximum and output current capabilities of 10 mA and 25 mA. ESD protection exceeds JESD-22 standards.

PCA9535RGER Quick Information

Product Type: I/O Expander
Canonical Name: PCA9535RGER 16-bit I2C/SMBus I/O Expander with Interrupt and Configuration Registers
Subcategory: I2C & SPI General-Purpose I/Os (GPIOs)

PCA9535RGER Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

PCA9535RGER Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

PCA9535RGER Features

  • 16-bit I2C/SMBus I/O expander.
  • Operates from 2.3V to 5.5V supply.
  • Supports 400kHz fast I2C bus.
  • Features interrupt output and POR.
  • Available in 24-VQFN surface-mount package.

PCA9535RGER Applications

  • Expands microcontroller I/O capabilities.
  • Suitable for driving LEDs directly.
  • Used in systems requiring I2C interface.
  • Compatible with various microcontrollers.

PCA9535RGER FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the PCA9535RGER?

The PCA9535RGER operates from 2.3V to 5.5V.

How many I/O pins does the PCA9535RGER have?

The PCA9535RGER has 16 I/O pins.

What is the maximum clock frequency supported by the PCA9535RGER?

The maximum clock frequency supported is 400 kHz.

What is the operating temperature range for this I/O expander?

The operating temperature range is -40°C to 85°C.

Does the PCA9535RGER have an interrupt output?

Yes, it features an open-drain active-low interrupt output.

What package type is the PCA9535RGER available in?

The PCA9535RGER is available in a 24-VQFN (4x4) surface-mount package.

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