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PDF X9316 Data sheet ( Hoja de datos )
| Número de pieza | X9316 | |
| Descripción | E 2 POT Nonvolatile Digital Potentiometer | |
| Fabricantes | Xicor | |
| Logotipo |  |
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Low Noise, Low Power, 32 Taps
X9316
E2POT™ Nonvolatile Digital Potentiometer
FEATURES
• Low Micropower CMOS
—VCC = 3V to 5.5V
—Active Current, 50µA (Increment) Max
—Standby Current, 400µA (Store) Max
• Low Noise
• 31 Resistive Elements
—Temperature Compensated
—± 20% End to End Resistance Range
—–5V to +5V
• 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
• X9316Z = 1KΩ
• X9316W = 10KΩ
• Packages
—14-Lead PDIP
—14-Lead SOIC
FUNCTIONAL DIAGRAM
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 (10KΩ) each tap point represents 323Ω.
All Xicor nonvolatile memories are designed and tested
for applications requiring extended endurance and data
retention.
U/D 5-BIT
INC UP/DOWN
CS COUNTER
CMOS SWITCH
VH
5-BIT
NONVOLATILE
MEMORY
VCC
VSS
V+
V–
STORE AND
RECALL
CONTROL
CIRCUITRY
E2POT™ is a trademark of Xicor, Inc.
©Xicor, Inc. 1994, 1995, 1996 Patents Pending
7000-1.5 7/16/97 T6/C0/D6 SH
ONE
OF
THIRTY-
TWO
WIPER
POSITION
DECODER
1
RESISTOR
ARRAY
VL
VW
7000 FRM F01
Characteristics subject to change without notice
1 page  
X9316
RECOMMENDED OPERATING CONDITIONS
Temperature
Commercial
Industrial
Min.
0°C
–40°C
Max.
+70°C
+85°C
7000 FRM T02
Supply Voltage
X9316
Limits
5V ±10%
7000 FRM T03.1
D.C. OPERATING CHARACTERISTICS (Over recommended operating conditions unless otherwise specified.)
Limits
Symbol
ICC
ISB
Parameter
VCC Active Current (Increment)
VCC Active Current (Store)
Standby Supply Current
IV+(5)
V+ Supply Current
IV–(5)
V– Supply Current
ILI CS, INC, U/D Input Leakage
Current
Min.
Typ.(4)
Max.
50
400
1
400
400
±10
Units
µA
µA
µA
µA
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
CS = VIL, U/D = VIL or VIH and
INC = 0.4V/2.4V @ max. tCYC
CS = VIL, U/D = VIL or VIH and
INC = 0.4V/2.4V @ max. tCYC
VIN = VSS to VCC
VIH CS, INC, U/D Input HIGH
Voltage
2
VCC + 1 V
VIL
RW
VVH
VVL
V+
V–
CIN(5)
CS, INC, U/D Input LOW
Voltage
Wiper Resistence
VH Terminal Voltage
VL Terminal Voltage
Analog Positive Power Supply
Analog Negative Power
Supply
CS, INC, U/D Input
Capacitance
–1
V–
V–
VCC
–VCC
100
0.8
200
V+
V+
VCC
0
10
V
Ω Max. Wiper Current ±1mA
V
V
V
V
pF VCC = 5V, VIN = VSS, TA = 25°C
7000 FRM T04.1
STANDARD PARTS
Part Number
X9316Z
X9316W
Maximum Resistance
1KΩ
10KΩ
Wiper Increments
32.3Ω
323Ω
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
100Ω
100Ω
7000 FRM T05
5
5 Page 
X9316
PACKAGING INFORMATION
14-LEAD PLASTIC SMALL OUTLINE GULL WING PACKAGE TYPE S
PIN 1 INDEX
PIN 1
(4X) 7°
0.014 (0.35)
0.020 (0.51)
0.336 (8.55)
0.345 (8.75)
0.050 (1.27)
0.150 (3.80)
0.158 (4.00)
0.228 (5.80)
0.244 (6.20)
0.053 (1.35)
0.069 (1.75)
0.004 (0.10)
0.010 (0.25)
0° – 8°
0.010 (0.25)
0.020 (0.50) X 45°
0.016 (0.410)
0.037 (0.937)
0.050" Typical
0.0075 (0.19)
0.010 (0.25)
0.250"
0.050" Typical
FOOTPRINT
0.030"Typical
14 Places
NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS)
7000 FRM 05
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet X9316.PDF ] | |
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