X9420WP XICOR [Xicor Inc.], X9420WP Datasheet - Page 11

• Manufacturer Part Number: X9420WP
• Description: Single Digitally Controlled (XDCP) Potentiometer
• Manufacturer: XICOR [Xicor Inc.]

X9420
D.C. OPERATING CHARACTERISTICS (Over the recommended operating conditions unless otherwise specified.)
ENDURANCE AND DATA RETENTION
CAPACITANCE
POWER-UP TIMING
POWER UP REQUIREMENTS (Power up sequencing can affect correct recall of the wiper registers)
The preferred power-on sequence is as follows: First V
R
specification should be met, and any glitches or slope changes in the V
possible. If V
order for proper wiper register recall. Also, V
position will not be complete until V
Notes: (5) This parameter is periodically sampled and not 100% tested.
REV 1.1.6 7/30/02
Symbol
L
, and R
Symbol
I
I
Symbol
V
C
V
CC1
CC2
I
I
V
t
t
t
I
SB
LO
PUW
C
PUR
OL
R
LI
IH
OUT
IL
V
IN
(6) t
CC
(5)
(6)
(6)
(5)
Minimum Endurance
instruction can be issued. These parameters are periodically sampled and not 100% tested.
W
PUR
. Voltage should not be applied to the potentiometer pins before V+ or V– is applied. The V
V
V
(Non-volatile Write)
V
Input Leakage Current
Output Leakage Current
Input HIGH Voltage
Input LOW Voltage
Output LOW Voltage
Data Retention
CC
CC
CC
CC
Parameter
and t
Supply Current (Active)
Supply Current
Current (Standby)
powers down, it should be held below 0.1V for more than 1 second before powering up again in
Power-up to Initiation of Read Operation
Power-up to Initiation of Write Operation
PUW
Input Capacitance (A0, SI, and SCK)
Parameter
are the delays required from the time the third (last) power supply (V
Output Capacitance (SO)
V
CC
Parameter
Power up Ramp
CC
Test
, V+ and V– reach their final value.
V
CC
Min.
–0.5
CC
x 0.7
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100,000
should not reverse polarity by more than 0.5V. Recall of wiper
Min.
100
Typ.
CC
Limits
, then V+ and V–, and then the potentiometer pins, R
V
V
CC
CC
Max.
400
0.4
10
10
1
1
Max.
Max.
+ 0.5
x 0.1
0.2
1
5
8
6
Units
Data Changes per Bit per Register
mA
µA
CC
V
V
V
A
A
A
Characteristics subject to change without notice.
line should be held to <100mV if
Units
Max.
CC
50
pF
pF
1
5
f
Other Inputs = V
f
Other Inputs = V
SCK = SI = V
V
V
I
, V+ or V-) is stable until the specific
SCK
SCK
OL
IN
OUT
= 3mA
= V
Units
Years
= 2MHz, SO = Open,
= 2MHz, SO = Open,
= V
Test Conditions
SS
SS
to V
Test Conditions
to V
SS
CC
V
, Addr. = V
V
SS
SS
OUT
V/msec
CC
Units
IN
CC
ms
ms
= 0V
= 0V
ramp rate
11 of 20
SS
H
,