PCA9535DBR The PCA9535DBR is an IO expander from Texas Instruments with 16 I/O ports, supporting I2C and SMBus interfaces, and packaged in a 24-SSOP form factor.
Mfr Part #:

PCA9535DBR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The PCA9535DBR is an IO expander from Texas Instruments with 16 I/O ports, supporting I2C and SMBus interfaces, and packaged in a 24-SSOP form factor.
Total Stock: 3,966 pcs
$ Price Range: $1.15

PCA9535DBR Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,645 pcs
2645 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,321 pcs
1321 pcs On Request 1 On Request On Request 1336+5 On Request On Request

PCA9535DBR 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
Voltage

PCA9535DBR Description

Short technical summary and product information.

The PCA9535DBR is an input/output expander integrated circuit manufactured by Texas Instruments. It features 16 I/O ports that can be controlled via I2C or SMBus interfaces operating at 400 kHz. The device operates within a voltage range of 2.3 V to 5.5 V and is suitable for applications requiring additional I/O lines in a compact form. It is packaged in a 24-SSOP surface-mount package measuring 0.209 inches (5.30 mm) in width. The device includes configuration registers and an interrupt pin, making it suitable for use in embedded systems, automation, and control applications where space and interface flexibility are critical.

PCA9535DBR Quick Information

Product Type: IO Expander
Canonical Name: PCA9535DBR 16-bit I2C/SMBus I/O Expander with Interrupt and Configuration Registers

PCA9535DBR Compliance

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

PCA9535DBR Estimated Pricing

Qty Low High
1+ $1.15 $1.15

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

PCA9535DBR Features

  • Supports 16 I/O ports via I2C/SMBus
  • Operates at 400 kHz clock frequency
  • Voltage range from 2.3 V to 5.5 V
  • Surface mount in 24-SSOP package
  • Includes configuration registers and interrupt pin

PCA9535DBR Applications

  • Ideal for I/O expansion in embedded systems
  • Used in automation and control applications
  • Suitable for space-constrained designs
  • Supports low-power standby operation

PCA9535DBR FAQs

3 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the PCA9535DBR?

The PCA9535DBR operates within a voltage range of 2.3 V to 5.5 V.

What package type is the PCA9535DBR available in?

The PCA9535DBR is available in a 24-SSOP surface-mount package.

What is the maximum clock frequency supported by the PCA9535DBR?

The device supports a clock frequency of up to 400 kHz.

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