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PCA9557 Datasheet (PDF) - NXP Semiconductors

PCA9557 Datasheet PDF - NXP Semiconductors
Part # PCA9557
Download  PCA9557 Download

File Size   127.39 Kbytes
Page   16 Pages
Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors
Description 8-bit I2C and SMBus I/0 port with reset

PCA9557 Datasheet (PDF)

Go To PDF Page Download Datasheet
PCA9557 Datasheet PDF - NXP Semiconductors

Part # PCA9557
Download  PCA9557 Click to download

File Size   127.39 Kbytes
Page   16 Pages
Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors
Description 8-bit I2C and SMBus I/0 port with reset

PCA9557 Datasheet (HTML) - NXP Semiconductors

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PCA9557 Product details

DESCRIPTION
The PCA9557 is a silicon CMOS circuit which provides parallel input/output expansion for SMBus and I2C applications. The PCA9557 consists of an 8-bit input port register, 8-bit output port register, and an I2C/SMBus interface. It has low current consumption and a high impedance open drain output pin, I/O0. The system master can enable the PCA9557’s I/O as either input or output by writing to the configuration register.

FEATURES
• Lower voltage, higher performance migration path for the PCA9556
• 8 general purpose input/output expander/collector
• Input/output configuration register
• Active HIGH polarity inversion register
• I2C and SMBus interface logic
• Internal power-on reset
• Noise filter on SCL/SDA inputs
• Active LOW reset input
• 3 address pins allowing up to 8 devices on the I2C/SMBus
• High impedance open drain on I/O0
• No glitch on power-up
• Power-up with all channels configured as inputs
• Low standby current
• Operating power supply voltage range of 2.3 V to 5.5 V
• 5 V tolerant inputs/outputs
• 0 to 400 kHz clock frequency
• ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101
• Latch-up testing is done to JESDEC Standard JESD78 which exceeds 100 mA
• Package offer: SO 16, TSSOP 16




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About NXP Semiconductors


NXP Semiconductors is a publicly traded multinational company that designs, develops, and manufactures a wide range of semiconductors and integrated circuits for various applications, including automotive, industrial, communications, and consumer markets.
The company was founded in 2006 and is headquartered in Eindhoven, Netherlands.
NXP offers a broad portfolio of products, including microcontrollers, microprocessors, secure authentication ICs, power management ICs, RF and microwave components, and sensor solutions, among others.
The company's products are designed to be energy efficient, secure, and reliable, and are used in a variety of applications, including automotive systems, industrial automation and control, smart homes and buildings, and connected devices.
NXP is dedicated to innovation and customer satisfaction, and is committed to providing its customers with the best semiconductor solutions to meet their needs.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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