X9315WS-C7898 Intersil, X9315WS-C7898 Datasheet - Page 5

• Manufacturer Part Number: X9315WS-C7898
• Manufacturer: Intersil

Specifications of X9315WS-C7898

• Lead Free Status / Rohs Status: Not Compliant

Mode Selection
changed by the system or until a power-up/down cycle
recalled the previously stored data.
This procedure allows the system to always power-up to a
preset value stored in nonvolatile memory; then during
system operation minor adjustments could be made. The
adjustments might be based on user preference, system
parameter changes due to temperature drift, etc...
The state of U/D may be changed while CS remains LOW.
This allows the host system to enable the device and then
move the wiper up and down until the proper trim is attained.
CS
H
L
L
INC
H
X
L
L
L
U/D
H
X
X
X
H
L
L
Wiper up
Wiper down
Store wiper position to nonvolatile
memory
Standby
No store, return to standby
Wiper Up (not recommended)
Wiper Down (not recommended)
5
MODE
X9315
Power-up and Down Requirements
There are no restrictions on the power-up or power-down
conditions of V
potentiometer pins provided that V
positive than or equal to V
V
W
. The V
CC
ramp rate spec is always in effect.
CC
and the voltages applied to the
H
, V
L
, and V
CC
is always more
W
, i.e., V
December 21, 2009
CC
≥ V
FN8179.2
H
, V
L
,