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TEXAS INSTRUMENTS  PCA9535DWR  I/O Expander, 16bit, 400 kHz, I2C, SMBus, 2.3 V, 5.5 V, SOIC

TEXAS INSTRUMENTS PCA9535DWR

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Product Overview

The PCA9535DWR is a 16-bit I/O Expander for the two-line bidirectional bus (I²C) is designed for 2.3 to 5.5V VCC operation. It provides general-purpose remote I/O expansion for most microcontroller families via the I²C interface [serial clock (SCL), serial data (SDA)]. It consists of two 8-bit configuration (input or output selection), input port, output port and polarity inversion (active-high or active-low operation) registers. At power on, the I/Os are configured as inputs. The system master can enable the I/Os as either inputs or outputs by writing to the I/O configuration bits. The data for each input or output is kept in the corresponding input or output port register. The polarity of the input port register can be inverted with the polarity inversion register. All registers can be read by the system master. The system master can reset the PCA9535 in the event of a timeout or other improper operation by utilizing the power-on reset feature.
  • Open-drain active-low interrupt (INT)\ output
  • Compatible with most microcontrollers
  • 400kHz Fast I²C bus
  • Address by 3 hardware address pins for use of up to 8 devices
  • Polarity inversion register
  • Latched outputs with high-current drive capability for directly driving LEDs
  • Latch-up performance exceeds 100mA per JESD 78, class II
  • 1μA Maximum low standby-current consumption
  • Green product and no Sb/Br

Applications

Sensing & Instrumentation; Automation & Process Control

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Product Information

Chip Configuration:
16bit
Bus Frequency:
400kHz
IC Interface Type:
I2C, SMBus
Supply Voltage Min:
2.3V
Supply Voltage Max:
5.5V
Interface Case Style:
SOIC
No. of Pins:
24Pins
No. of I/O's:
16I/O's
Packaging:
Cut Tape
Product Range:
-
MSL:
MSL 1 - Unlimited
Supply Voltage Range:
2.3V to 5.5V
SVHC:
No SVHC (15-Jun-2015)

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Legislation and Environmental

Moisture Sensitivity Level:
MSL 1 - Unlimited
Product Traceability
RoHS Compliant:
Yes

Applications

  • Sensing & Instrumentation;
  • Automation & Process Control

Substitutes

I/O Expander, 16bit, 400 kHz, I2C, SMBus, 2.3 V, 5.5 V, SOIC

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