PCA9500PW - NXP

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

PCA9500PW
Manufacturer

NXP
ChipWorker Part#

CW69274540
Category

Interface IC, Interface Controller
Package

TSSOP
Description

I/O Expander, 8Bit, 400kHz, I2C, SMBus, 2.5V, 3.6V, TSSOP
Documentation

Datasheet

PCA9500PW Global Supplier

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PCA9500PW Specifications

Attribute	Attribute Value

Part Number	PCA9500PW
Manufacturer	NXP
ChipWorker Part#	CW69274540
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	TSSOP
Supply Voltage (DC)	3.30 V
Number of Positions	16 Position
Clock Speed	400 kHz
Number of Bits	8 Bit
Number of Inputs and Outputs	8 Input IO
Supply Voltage (Max)	3.6 V
Supply Voltage (Min)	2.5 V
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Product Lifecycle Status	Unknown
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC

Product Description

The PCA9500PW is an 8-bit I/O Expander with an on-board 2-kbit EEPROM. The I/O expander"s 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. The PCA9500 has 3 address pins with internal pull-up resistors allowing up to 8 devices to share the common two-wire I²C software protocol serial data bus. The fixed GPIO I²C-bus address is the same as the PCF8574 and the fixed EEPROM I²C-bus address is the same as the PCF8582C-2, so the PCA9500 appears as two separate devices to the bus master.
Self-timed write cycle
4-byte Page write operation
I²C-bus and SMBus Interface logic
Internal power-ON reset
Noise filter on SCL/SDA input
3 Address pins allowing up to 8 devices on the I²C-bus/SMBus
No glitch on power-up
Supports hot insertion
Power-up with all channels configured as inputs
Low standby current consumption
Latch-up testing is done to JEDEC standard JESD78 which exceeds 100mA

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