X9221AYSI Overview
Package 20-SOIC (0.295, 7.50mm Width) contains it.At Non-Volatile, this pentometer is stored for the first time.This digital potentiometer includes 2 embedded circuits.The digital analogic is secured using this package Tube.64 taps protect this pentometer against overcurrent.In general, Surface Mount is recommended for mounting.It can supply voltages up to 5V.For this digital potentiometer, there is a temperature range of -40°C~85°C.Flow can be restricted using 2kOhm.Pentometer belongs to the family X9221A.It is possible to find Selectable Address using this digital variable resistor.
X9221AYSI Features
Available in 20-SOIC (0.295, 7.50mm Width) package
2 Circuits
Mounting Type: Surface Mount
Operate temperature at the range of -40°C~85°C

X9221AYSI Applications
There are a lot of Renesas Electronics America Inc.
X9221AYSI Digital Potentiometers applications.

Refrigerator
Programmable computer
Power supply
Power meter
Automatic detection of equipment
Optic fiber network
Adjusting the LCD Display
Voltage control
Replaces mechanical potentiometers
Matching Linear Impedance

Mounting Type	Surface Mount
Package / Case	20-SOIC (0.295, 7.50mm Width)
Operating Temperature	-40°C~85°C
Packaging	Tube
Series	XDCP™
Tolerance	±20%
Feature	Selectable Address
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Resistance	2kOhm
Voltage - Supply	5V
Base Part Number	X9221A
Configuration	Potentiometer
Interface	I2C
Number of Circuits	2
Memory Type	Non-Volatile
Taper	Linear
Number of Taps	64
Resistance - Wiper (Ω) (Typ)	40
Temperature Coefficient (Typ)	±300ppm/°C
RoHS Status	Non-RoHS Compliant