PCA9555PWG4 Overview
It has 16 I/Os programmed.A TSSOP-shaped packaging surrounds the device.As a whole, it has terminations on the 24 axis.24 pins make up the part.At 3V, there is voltage provided by the device.It is used to run 260 using this part's peak reflow temperature.A total of four 2 ports are present on the device.In IC chips, 16 bits are present.A 24-pin is present on the device.The chip conducts at 5.5V voltage.PARALLEL IO PORT, GENERAL PURPOSE uPs/uCs/peripheral ICs fall under this type.Maximum operating temperature reaches 85°C.It is required that this device's minimum working temperature is -40°C.Using this chip, you can get a maximum frequency of 400kHz.With a frequency of 400kHz, it is able to perform effectively.Outputs are available in 2 format.
PCA9555PWG4 Features

PCA9555PWG4 Applications
There are a lot of Texas Instruments
PCA9555PWG4 I/O Expanders applications.

Common Mode Voltage Translation
Portable Instrumentation
Multiprotocol RFID Readers: EPC-GEN2, ISD and IPX
IDEN, PHS, GSM Basestations
Repeaters, Radio Links, and Modems
Wireless Telemetry
JTRS
802.11x Receivers
IDEN
PHS

Package / Case	TSSOP
Surface Mount	YES
Number of Pins	24
Weight	89.499445mg
JESD-609 Code	e4
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	24
ECCN Code	EAR99
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Max Operating Temperature	85°C
Min Operating Temperature	-40°C
Terminal Position	DUAL
Terminal Form	GULL WING
Peak Reflow Temperature (Cel)	260
Supply Voltage	3V
Terminal Pitch	0.65mm
Frequency	400kHz
Time@Peak Reflow Temperature-Max (s)	NOT SPECIFIED
Pin Count	24
Number of Outputs	2
Qualification Status	Not Qualified
Operating Supply Voltage	5.5V
Temperature Grade	INDUSTRIAL
Number of I/O	16
Number of Ports	2
uPs/uCs/Peripheral ICs Type	PARALLEL IO PORT, GENERAL PURPOSE
Number of Bits	16
Frequency (Max)	400kHz
Length	7.8mm
Width	4.4mm
RoHS Status	RoHS Compliant
Lead Free	Lead Free