PDF X9314 Data sheet ( Hoja de datos )

Número de pieza	X9314
Descripción	E2POT Nonvolatile Digital Potentiometer
Fabricantes	Xicor
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No Preview Available ! APPLICATION NOTES AVA I L A B L E AN42 • AN44–50 • AN52 • AN53 • AN71 • AN73 TXe9r3m14inal Voltage ±5V, 32 Taps, Log Taper X9314 E2POT™ Nonvolatile Digital Potentiometer FEATURES • Low Power CMOS —VCC = 3V to 5.5V —Active Current, 3mA Max —Standby Current, 500µA 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 • X9314W = 10KΩ • Packages —8-Lead MSOP —8-Lead PDIP —8-Lead SOIC DESCRIPTION The Xicor X9314 is a solid state nonvolatile potentiom- eter and is ideal for digitally controlled resistance trim- ming. The X9314 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. All Xicor nonvolatile Digitally Controlled Potentiometers are designed and tested for applications requiring ex- tended endurance and data retention. FUNCTIONAL DIAGRAM U/D 5-BIT INC UP/DOWN CS COUNTER 5-BIT NONVOLATILE MEMORY VCC GND STORE AND RECALL CONTROL CIRCUITRY E2POT™ is a trademark of Xicor, Inc. ©Xicor, Inc. 1994, 1995, 1996 Patents Pending 6427-1.7 6/12/96 T3/C1/D8 NS 31 30 29 ONE 28 OF THIRTY- TWO DECODER 2 1 0 VH TRANSFER GATES RESISTOR ARRAY VL VW 6427 FHD F01 1 Characteristics subject to change without notice 1 page X9314 RECOMMENDED OPERATING CONDITIONS Temperature Min. Max. Commercial Industrial Military 0°C –40°C –55°C +70°C +85°C +125°C 6427 PGM T03.1 Supply Voltage X9314 X9314-3 Limits 5V ±10% 3V to 5.5V 6427 PGM T04.1 D.C. OPERATING CHARACTERISTICS (Over recommended operating conditions unless otherwise specified.) Symbol Parameter ICC VCC Active Current ISB Standby Supply Current ILI VIH VIL RW VVH VVL CIN(5) CS, INC, U/D Input Leakage Current CS, INC, U/D Input HIGH Voltage CS, INC, U/D Input LOW Voltage Wiper Resistance VH Terminal Voltage VL Terminal Voltage CS, INC, U/D Input Capacitance Min. Limits Typ.(4) 1 Max. 3 500 ±10 Units mA µA µA Test Conditions CS = VIL, U/D = VIL or VIH and INC = 0.4V/2.4V @ max. tCYC CS = VCC – 0.3V, U/D and INC = VSS or VCC – 0.3V VIN = VSS to VCC 2 VCC + 1 V –1 0.8 V 40 –5 –5 100 Ω Max. Wiper Current ±1mA +5 V +5 V 10 pF VCC = 5V, VIN = VSS, TA = 25°C, f = 1MHz 6427 PGM T05.3 STANDARD PARTS Part Number X9314W Maximum Resistance 10KΩ Wiper Increments Log Taper Notes: (4) Typical values are for TA = 25°C and nominal supply voltage. (5) This parameter is periodically sampled and not 100% tested. Minimum Resistance 40Ω 6427 PGM T08.1 Test Circuit #1 Test Circuit #2 VH TEST POINT VW VL 6427 ILL F04 VH TEST POINT VW FORCE VL CURRENT 6427 ILL F05 5 5 Page

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