X9409 Xicor, X9409 Datasheet - Page 12

• Manufacturer Part Number: X9409
• Description: Quad Digitally Controlled Potentiometers
• Manufacturer: Xicor

X9409 – Preliminary Information
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
ramp rate specification should be met, and any glitches or slope changes in the V
if possible. If V
order for proper wiper register recall. Also, V
position will not be complete until V
Notes: (4) This parameter is periodically sampled and not 100% tested
REV 1.6 1/30/03
Symbol
Symbol
I
I
V
V
t
CC1
CC2
I
I
Symbol
V
I
C
r
SB
LO
C
LI
OL
IH
IL
V
I/O
IN
(5) t
(6) Sample tested only.
CC
(4)
(4)
(6)
Minimum endurance
issued. These parameters are periodically sampled and not 100% tested.
PUR
V
V
(Nonvolatile Write)
V
Input leakage current
Output leakage current
Input HIGH voltage
Input LOW voltage
Output LOW voltage
Data retention
CC
CC
CC
Parameter
and t
CC
Input/output capacitance (SDA)
Input capacitance (A0, A1, A2, A3, and SCL)
supply current (Active)
supply current
current (standby)
V
PUW
powers down, it should be held below 0.1V for more than 1 second before powering up again in
CC
Parameter
power-up rate
are the delays required from the time the (last) power supply (V
Parameter
CC
Test
reaches its final value.
V
CC
Min.
–0.5
100,000
x 0.7
Min.
100
CC
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should not reverse polarity by more than 0.5V. Recall of wiper
Typ.
CC
Limits
, then the potentiometer pins, R
V
V
CC
CC
Max.
100
0.4
10
10
1
1
+ 0.5
x 0.1
Min.
0.2
Max.
8
6
Data changes per bit per register
CC
Unit
mA
µA
µA
µA
µA
V
V
V
) is stable until the specific instruction can be
Characteristics subject to change without notice.
f
Other Inputs = V
f
Other Inputs = V
SCL = SDA = V
V
V
I
SCL
SCL
OL
CC
IN
OUT
Max.
Years
Unit
Unit
= 3mA
= V
line should be held to <100mV
50
pF
pF
= 400kHz, SDA = Open,
= 400kHz, SDA = Open,
= V
SS
Test Conditions
SS
H
to V
, R
to V
CC
L
CC
Test Conditions
, and R
SS
SS
CC
, Addr. = V
V
V
I/O
IN
V/ms
Unit
W
= 0V
= 0V
. The V
SS
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CC