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X9313TSI3 Datasheet(PDF) 1 Page - Xicor Inc. |
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X9313TSI3 Datasheet(HTML) 1 Page - Xicor Inc. |
1 / 10 page X9313 1 ©Xicor, Inc. 1994, 1995, 1996 Patents Pending Characteristics subject to change without notice 3866-1.5 6/12/96 T5/C1/D8 NS E2POT™ is a trademark of Xicor, Inc. DESCRIPTION The Xicor X9313 is a solid state nonvolatile potentiom- eter and is ideal for digitally controlled resistance trimming. The X9313 is a resistor array composed of 31 resistive elements. Between each element and at either end are tap points accessible to the wiper element. The position of the wiper element is controlled by the CS, U/D, and INC inputs. The position of the wiper can be stored in nonvola- tile memory and then be recalled upon a subsequent power-up operation. The resolution of the X9313 is equal to the maximum resistance value divided by 31. As an example, for the X9313W (10K Ω) each tap point represents 323Ω. All Xicor nonvolatile memories are designed and tested for applications requiring extended endurance and data retention. FEATURES • Low Power CMOS —VCC = 3V to 5.5V —Active Current, 3mA Max —Standby Current, 500 µA Max • 31 Resistive Elements —Temperature Compensated — ±20% End to End Resistance Range — –5V to +5V Range • 32 Wiper Tap Points —Wiper Positioned via Three-Wire Interface —Similar to TTL Up/Down Counter —Wiper Position Stored in Nonvolatile Memory and Recalled on Power-Up • 100 Year Wiper Position Data Retention • X9313Z = 1K Ω • X9313W = 10K Ω • Packages —8-Lead MSOP —8-Lead PDIP —8-Lead SOIC FUNCTIONAL DIAGRAM 3866 FHD F01 E2POT™ Nonvolatile Digital Potentiometer X9313 5-BIT UP/DOWN COUNTER 5-BIT NONVOLATILE MEMORY STORE AND RECALL CONTROL CIRCUITRY ONE OF THIRTY- TWO DECODER RESISTOR ARRAY 31 30 29 28 2 1 0 VL VW VH U/D INC CS VCC GND TRANSFER GATES Terminal Voltage ±5V, 32 Taps APPLICATION NOTES A V AILABLE AN42 • AN44–48 • AN50 • AN52 • AN53 • AN71 • AN73 |
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