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PCA9557DR

Texas Instruments
PCA9557DR Preview
Texas Instruments
IC I/O EXPANDER I2C 8B 16SOIC
$1.58
Available to order
Reference Price (USD)
2,500+
$0.69160
5,000+
$0.65702
12,500+
$0.63232
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PCA9557DR

PCA9557DR

$1.58

Product details

The PCA9557DR I/O expander by Texas Instruments delivers unparalleled interface expansion for next-generation electronics. This versatile IC converts serial commands into parallel I/O operations with precision timing control, featuring adaptive output current limiting and automatic power-down modes. Its technical sophistication shines in medical diagnostic equipment (multi-probe interfaces), warehouse automation (conveyor control systems), and smart city infrastructure (distributed monitoring nodes). The PCA9557DR offers unique advantages including fail-safe input protection, programmable input filtering, and industry-standard package options for design flexibility. Texas Instruments's commitment to quality ensures consistent performance across production batches. For application-specific guidance on implementing the PCA9557DR in your design, contact our technical support team through the inquiry form on our product webpage.

General specs

  • Product Status: Active
  • Number of I/O: 8
  • Interface: I²C, SMBus
  • Interrupt Output: No
  • Features: POR
  • Output Type: Open Drain, Push-Pull
  • Current - Output Source/Sink: 10mA, 25mA
  • Clock Frequency: 400 kHz
  • Voltage - Supply: 2.3V ~ 5.5V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 16-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 16-SOIC

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