PCA9500D,112 Overview
8 I/Os are used in its programming.A 16-SOIC (0.295, 7.50mm Width) is enclosed in the package with the device.In addition, it is available in a Tube case as well.The vote is delivered within 2.5V~3.6V.Mounting type Surface Mount is recommended.In operation, the device works when the temperature ranges between -40°C~85°C and X.As for the performance, it works with a frequency of 400kHz.It is also possible to find EEPROM, POR with the use of this device.
PCA9500D,112 Features

PCA9500D,112 Applications
There are a lot of Rochester Electronics, LLC
PCA9500D,112 I/O Expanders applications.

Low Voltage, Low Noise, Differential Signal Processing
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

Mounting Type	Surface Mount
Package / Case	16-SOIC (0.295, 7.50mm Width)
Supplier Device Package	16-SO
Operating Temperature	-40°C~85°C
Packaging	Tube
Feature	EEPROM, POR
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Voltage - Supply	2.5V~3.6V
Output Type	Push-Pull
Interface	I2C, SMBus
Number of I/O	8
Clock Frequency	400kHz
Interrupt Output	No
Current - Output Source/Sink	100μA 25mA
RoHS Status	ROHS3 Compliant