X9241A Xicor, X9241A Datasheet - Page 12
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X9241A
Manufacturer Part Number
X9241A
Description
Quad Digitally Controlled Potentiometer (XDCP)
Manufacturer
Xicor
Datasheet
1.X9241A.pdf
(18 pages)
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X9241A
A.C. CONDITIONS OF TEST
SYMBOL TABLE
Equivalent A.C. Test Circuit
Circuit #3 SPICE Macro Model
REV 1.1.13 12/09/02
Input pulse levels
Input rise and fall times
Input and output timing levels
WAVEFORM
R
H
SDA Output
INPUTS
Must be
steady
May change
from LOW
to HIGH
May change
from HIGH
to LOW
Don’t Care:
Changes
Allowed
N/A
10pF
Macro Model
C
R
H
TOTAL
R
W
25pF
C
W
OUTPUTS
Center Line
5V
Will be
steady
Will change
from LOW
to HIGH
Will change
from HIGH
to LOW
Changing:
State Not
Known
is High
Impedance
V
10ns
V
1533Ω
CC
CC
100pF
10pF
C
L
x 0.1 to V
x 0.5
R
L
CC
www.xicor.com
x 0.9
Guidelines for Calculating
Typical Values of Bus Pull-Up Resistors
DCP Wiper Current De-rating Curve
7
6
4
3
2
1
0
5
0
10
120
100
80
60
40
20
0
20
Characteristics subject to change without notice.
0
Ambient Temperature (°C)
Min.
Resistance
Bus Capacitance (pF)
20
30
R
R
Max.
Resistance
MIN
MAX
40
40
=
=
V
I
C
60
OL MIN
CC MAX
t
BUS
R
50
80 100 120
=1.8KΩ
60
70
80
12 of 18
90