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X9221, X92217US, X9221AUP

Table of contents:
Info of X9221
Info of X92217US
Info of X9221AUP

X9221, X92217US, X9221AUP Selling Leads, Datasheet

MFG:XLCOR Package Cooled:SOP20 D/C:07/08+

X9221, X92217US, X9221AUP Datasheet download

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Part Number: X9221

MFG: XLCOR

Package Cooled: SOP20

D/C: 07/08+

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X9221 General Description

The X9221 integrates two nonvolatile E²POT™ digitally controlled potentiometers on a monolithic CMOS microcircuit.

The X9221 contains two resistor arrays, each composed of 63 resistive elements. Between each element and at either end are tap points accessible to the wiper elements. The position of the wiper element on the array is controlled by the user through the two-wire serial bus interface.

Each resistor array has associated with it a wiper counter register and four 8-bit data registers that can be directly written and read by the user. The contents of the wiper counter register control the position of the wiper on the resistor array.

The data register may be read or written by the user. The contents of the data registers can be transferred to the wiper counter register to position the wiper. The current wiper position can be transferred to any one of its associated data registers.

X9221 Maximum Ratings

Temperature under Bias .................. 65°C to +135°C
Storage Temperature ....................... 65°C to +150°C
Voltage on SCK, SCL or any Address Input
with Respect to V_SS................................... 1V to +7V
Voltage on any V_H or V_L Referenced to V_SS.............. ±8V
V = |V_HV_L| ........................................................... 16V
Lead Temperature (Soldering, 10 seconds)......... 300°C

X9221 Features

• Two E²POTs in One Package
• Two-Wire Serial Interface
• Register Oriented Format
   -Directly Write Wiper Position
   -Read Wiper Position
   -Store as Many as Four Positions per Pot
• Instruction Format
   -Quick Transfer of Register Contents to Resistor Array
• Low Power CMOS
• Direct Write Cell
   -Endurance - 100,000 Writes per Register
   -Register Data Retention - 100 years
• 8 Bytes of E²PROM memory
• 3 Resistor Array Values
   -2K to 50K Mask Programmable
• Resolution: 64 Taps each Pot
• 20-Lead Plastic DIP and 20-Lead SOIC Packages

X9221 Connection Diagram

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