X9409_15 Datasheet, PDF (4/19 Pages) Intersil Corporation – Low Noise/Low Power/2-Wire Bus Quad Digita Controlled Potentiometers

Symbol Table
WAVEFORM INPUTS
Must be
steady
May change
from Low to
High
May change
from High to
Low
Don’t Care:
Changes
Allowed
N/A
OUTPUTS
Will be
steady
Will change
from Low to
High
Will change
from High to
Low
Changing:
State Not
Known
Center Line
is High
Impedance
X9409
Guidelines for Calculating
Typical Values of Bus Pull-Up
Resistors
120
100
R_{MIN =} ^{VCC MAX} _{= 1.8kΩ}
I _{OL MIN}
80
60
R_{MAX =}
t_R
C_BUS
40
MAX.
RESISTANCE
20 _MIN.
RESISTANCE
0
0
20
40
60
80
100
120
BUS CAPACITANCE (pF)
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4
FN8192.6
September 3, 2015