X93254 Datasheet, PDF (7/10 Pages) Intersil Corporation – Dual Digitally Controlled Potentiometers

X93254
The state of U/D may be changed while CS remains
LOW. This allows the host system to enable the
device and then move each wiper up and down until
the proper trim is attained.
MODE SELECTION
CS INC U/D
Mode
L
H Wiper Up
L
L Wiper Down
H
X Store Wiper Position
H
X
X Standby Current
L
X No Store, Return to Standby
L
H Wiper Up (not recommended)
L
L Wiper Down (not recommended)
SYMBOL TABLE
WAVEFORM INPUTS
OUTPUTS
Must be
steady
May change
from Low to
High
May change
from High to
Low
Don’t Care:
Changes
Allowed
N/A
Will be
steady
Will change
from Low to
High
Will change
from High to
Low
Changing:
State Not
Known
Center Line
is High
Impedance
7
FN8186.0
March 1, 2005