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PCA9501BS Datasheet (PDF) - NXP Semiconductors

PCA9501BS Datasheet PDF - NXP Semiconductors
Part # PCA9501BS
Download  PCA9501BS Download

File Size   146.48 Kbytes
Page   22 Pages
Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors
Description 8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins

PCA9501BS Datasheet (PDF)

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PCA9501BS Datasheet PDF - NXP Semiconductors

Part # PCA9501BS
Download  PCA9501BS Click to download

File Size   146.48 Kbytes
Page   22 Pages
Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors
Description 8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins

PCA9501BS Datasheet (HTML) - NXP Semiconductors

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PCA9501BS Product details

DESCRIPTION
The PCA9501 is an 8-bit I/O expander with an on-board 2-kbit EEPROM.
The I/O expandable eight quasi bidirectional data pins can be independently assigned as inputs or outputs to monitor board level status or activate indicator devices such as LEDs. The system master writes to the I/O configuration bits in the same way as for the PCF8574. The data for each Input or Output is kept in the corresponding Input or Output register. The system master can read all registers.
The EEPROM can be used to store error codes or board manufacturing data for read-back by application software for diagnostic purposes and are included in the I/O expander package.
The PCA9501 Active-LOW open-drain interrupt output is activated when any input state differes from its corresponding input port register state. It is used to indicate to the system master that an input state has changed and the device needs to be interrogated.
The PCA9501 has six address pins with internal pull-up resistors allowing up to 64 devices to share the common two wire I2C software protocol serial data bus. The fixed GPIO address starts with “1” and the fixed EEPROM I2C address starts with “0”, so the PCA9501 appears as two separate devices to the bus master.
The PCA9501 supports hot insertion to facilitate usage in removable cards on backplane systems.

FEATURES
• 8 general purpose input/output expander/collector
• Replacement for PCF8574 with integrated 2-kbit EEPROM
• Internal 256 × 8 EEPROM
• Self timed write cycle (5 ms typ)
• 16 byte page write operation
• I2C and SMBus interface logic
• Internal power-on reset
• Noise filter on SCL/SDA inputs
• Active low interrupt output
• 6 address pins allowing up to 64 devices on the I2C/SMBus
• No glitch on power-up
• Supports hot insertion
• Power-up with all channels configured as inputs
• Low standby current
• Operating power supply voltage range of 2.5 V to 3.6 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
• Packages offered: SO20, TSSOP20, HVQFN20





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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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