TCA9535DBR Overview
It features 16 I/Os.24-SSOP (0.209, 5.30mm Width) comes in a package with the device.The case comes in the form of a Tape & Reel (TR).In this case, the vote is supplied within the range of 1.65V~5.5V.It is recommended that you mount it in a Surface Mount-position.As long as the operating temperature ranges -40°C~85°C, the device works.In terms of performance, its output frequency is 400kHz.I would say that it has 24 terminations as a whole.A voltage is provided at 1.8V by the device.There are a total of four 2 ports on the device.It is possible to search for parts related to the CA9535 family based on the part number.As a result of the use of this device, POR can also be founded.An IC chip has 16 bits in total.There are 24 pins on the device.
TCA9535DBR Features

TCA9535DBR Applications
There are a lot of Texas Instruments
TCA9535DBR I/O Expanders applications.

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
TD-SCDMA
CDMA2000

Lifecycle Status	ACTIVE (Last Updated: 6 days ago)
Factory Lead Time	6 Weeks
Mounting Type	Surface Mount
Package / Case	24-SSOP (0.209, 5.30mm Width)
Surface Mount	YES
Number of Pins	24
Operating Temperature	-40°C~85°C
Packaging	Tape & Reel (TR)
JESD-609 Code	e4
Feature	POR
Pbfree Code	yes
Part Status	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	24
ECCN Code	EAR99
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Voltage - Supply	1.65V~5.5V
Terminal Position	DUAL
Terminal Form	GULL WING
Supply Voltage	1.8V
Terminal Pitch	0.65mm
Base Part Number	CA9535
Output Type	Push-Pull
Interface	I2C, SMBus
Number of I/O	16
Number of Ports	2
Number of Bits	16
Clock Frequency	400kHz
Supply Current-Max	0.04mA
Interrupt Output	Yes
Current - Output Source/Sink	10mA 25mA
Height	2mm
Length	8.2mm
Width	5.3mm
Thickness	1.95mm
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free