X9316W XICOR [Xicor Inc.], X9316W Datasheet

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X9316W

Manufacturer Part Number
X9316W
Description
Manufacturer
XICOR [Xicor Inc.]
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
X9316WS
Manufacturer:
XICOR
Quantity:
20 000
Low Noise, Low Power, 32 Taps
FEATURES
• Low Micropower CMOS
• Low Noise
• 31 Resistive Elements
• 32 Wiper Tap Points
• 100 Year Wiper Position Data Retention
• X9316Z = 1K
• X9316W = 10K
• Packages
FUNCTIONAL DIAGRAM
E2POT™ is a trademark of Xicor, Inc.
7000-1.5 7/16/97 T6/C0/D6 SH
Xicor, Inc. 1994, 1995, 1996 Patents Pending
—V
—Active Current, 50 A (Increment) Max
—Standby Current, 400 A (Store) Max
—Temperature Compensated
— 20% End to End Resistance Range
—–5V to +5V
—Wiper Positioned via Three-Wire Interface
—Similar to TTL Up/Down Counter
—Wiper Position Stored in Nonvolatile
—14-Lead PDIP
—14-Lead SOIC
Memory and Recalled on Power-Up
CC
= 3V to 5.5V
V +
V–
V
V
CC
SS
U/D
INC
CS
NONVOLATILE
STORE AND
CIRCUITRY
E
COUNTER
CONTROL
UP/DOWN
MEMORY
RECALL
2
5-BIT
5-BIT
POT™ Nonvolatile Digital Potentiometer
DECODER
POSITION
THIRTY-
WIPER
X9316
TWO
ONE
OF
1
DESCRIPTION
The Xicor X9316 is a solid state “micropower” nonvolatile
potentiometer and is ideal for digitally controlled resis-
tance trimming in battery-powered systems.
The X9316 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
nonvolatile memory and then be recalled upon a subse-
quent power-up operation.
The resolution of the X9316 is equal to the maximum
resistance value divided by 31. As an example, for the
X9316W (10K ) each tap point represents 323 .
All Xicor nonvolatile memories are designed and tested
for applications requiring extended endurance and data
retention.
CMOS SWITCH
Characteristics subject to change without notice
RESISTOR
ARRAY
V
V
V
H
L
W
7000 FRM F01

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X9316W Summary of contents

Page 1

... The resolution of the X9316 is equal to the maximum resistance value divided by 31 example, for the X9316W (10K ) each tap point represents 323 . All Xicor nonvolatile memories are designed and tested for applications requiring extended endurance and data retention. ...

Page 2

X9316 PIN DESCRIPTIONS V and The high (V ) and low (V ) terminals of the X9316 are H L equivalent to the fixed terminals of a mechanical potenti- ometer. The minimum voltage ...

Page 3

X9316 DEVICE OPERATION There are three sections of the X9316: the input control, counter and decode section; the nonvolatile memory; and the resistor array. The input control section operates just like an up/down counter. The output of this counter is ...

Page 4

... X9316W...........................................................10V Lead Temperature (Soldering 10 seconds) ....... 300 C Wiper Current..................................................... 1mA ANALOG CHARACTERISTICS Electrical Characteristics End-to-End Resistance Tolerance .................... 20% Power Rating X9316Z ........................................................16mW X9316W.......................................................10mW Wiper Current ........................................... 1mA Max. Typical Wiper Resistance ...................... 100 at 1mA Typical Noise ............................ < –140dB Hz Ref: 1V Resolution Resistance .............................................................3% Linearity (1) Absolute Linearity ...

Page 5

... Supply C (5) CS, INC, U/D Input IN Capacitance STANDARD PARTS Part Number Maximum Resistance X9316Z X9316W Notes: (4) Typical values are for and nominal supply voltage. A (5) This parameter is periodically sampled and not 100% tested. Max. Supply Voltage +70 C X9316 +85 C 7000 FRM T02 ...

Page 6

X9316 A.C. CONDITIONS OF TEST Input Pulse Levels Input Rise and Fall Times Input Reference Levels A.C. OPERATING CHARACTERISTICS (Over recommended operating conditions unless otherwise specified) Symbol Parameter INC Setup Cl t INC HIGH to U/D Change ...

Page 7

X9316 TYPICAL NOISE 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 TYPICAL RTOTAL vs. TEMPERATURE 10000 9800 9600 9400 9200 9000 8800 8600 8400 8200 8000 -55 ...

Page 8

X9316 TYPICAL TOTAL RESISTANCE TEMPERATURE COEFFICIENT 0 -50 -100 -150 PPM -200 -250 -300 -350 -55 -45 -35 -25 -15 TYPICAL WIPER RESISTANCE 800 700 600 500 400 300 200 100 ...

Page 9

X9316 TYPICAL ABSOLUTE % ERROR PER TAP POSITION 40.0% 30.0% 20.0% 10.0% 0.0% -10.0% -20.0% -30.0% -40. TYPICAL RELATIVE % ERROR PER TAP POSITION 20.0% 15.0% 10.0% 5.0% 0.0% -5.0% -10.0% -15.0% -20. ...

Page 10

X9316 PACKAGING INFORMATION 14-LEAD PLASTIC DUAL IN-LINE PACKAGE TYPE P PIN 1 INDEX HALF SHOULDER WIDTH ON ALL END PINS OPTIONAL SEATING PLANE 0.150 (3.81) 0.125 (3.18) 0.110 (2.79) 0.090 (2.29) 0.015 (0.38) MAX. TYP . 0.010 (0.25) NOTE: 1. ...

Page 11

X9316 PACKAGING INFORMATION 14-LEAD PLASTIC SMALL OUTLINE GULL WING PACKAGE TYPE S PIN 1 INDEX PIN 1 0.014 (0.35) 0.020 (0.51) (4X) 7 0.050 (1.27) 0.010 (0.25 0.020 (0.50) 0 – 8 0.016 (0.410) 0.037 (0.937) NOTE: ALL ...

Page 12

X9316 ORDERING INFORMATION LIMITED WARRANTY Devices sold by Xicor, Inc. are covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only. Xicor, Inc. makes no warranty, express, statutory, implied description regarding the information ...

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