參數(shù)資料
型號(hào): X9400WS24
廠商: INTERSIL CORP
元件分類: 數(shù)字電位計(jì)
英文描述: Fuses, Fast blow, pigtail
中文描述: QUAD 10K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24
封裝: 0.300 INCH, PLASTIC, MS-013AD, SOIC-24
文件頁數(shù): 11/22頁
文件大小: 150K
代理商: X9400WS24
X9400
Characteristics subject to change without notice.
11 of 22
REV 1.1.4 10/11/02
www.xicor.com
D.C. OPERATING CHARACTERISTICS
(Over the recommended operating conditions unless otherwise specified.)
ENDURANCE AND DATA RETENTION
CAPACITANCE
POWER-UP TIMING
Symbol
I
CC1
Parameter
Limits
Typ.
Test Conditions
f
SCK
= 2MHz, SO = Open,
Other Inputs = V
SS
f
SCK
= 2MHz, SO = Open,
Other Inputs = V
SS
SCK = SI = V
SS
, Addr. = V
SS
V
IN
= V
SS
to V
CC
V
OUT
= V
SS
to V
CC
Min.
Max.
400
Units
μA
V
CC
supply current (Active)
I
CC2
V
CC
supply current (Nonvol-
atile Write)
V
CC
current (standby)
Input leakage current
Output leakage current
Input HIGH voltage
Input LOW voltage
Output LOW voltage
1
mA
I
SB
I
LI
I
LO
V
IH
V
IL
V
OL
1
10
10
μA
μA
μA
V
V
V
V
CC
x 0.7
–0.5
V
CC
+ 0.5
V
CC
x 0.1
0.4
I
OL
= 3mA
Parameter
Minimum endurance
Data retention
Min.
100,000
100
Unit
Data changes per bit per register
years
Symbol
C
OUT
(4)
C
IN
(4)
Test
Max.
8
6
Unit
pF
pF
Test Conditions
V
OUT
= 0V
V
IN
= 0V
Output capacitance (SO)
Input capacitance (A0, A1, SI, and SCK)
Symbol
t
PUR
(5)
t
PUW
(5)
t
R
V
CC
(4)
Parameter
Min.
Max.
1
5
50
Unit
ms
ms
V/msec
Power-up to initiation of read operation
Power-up to initiation of write operation
V
CC
Power up ramp
0.2
POWER UP REQUIREMENTS
(Power Up sequencing
can affect correct recall of the wiper registers)
The preferred power-on sequence is as follows: First
V
CC
, then the potentiometer pins, R
H
, R
L
, and R
W
.
Voltage should not be applied to the potentiometer pins
before V+ or V- is applied. The V
CC
ramp rate specifi-
cation should be met, and any glitches or slope
changes in the V
CC
line should be held to <100mV if
possible. If V
CC
powers down, it should be held below
0.1V for more than 1 second before powering up again
in order for proper wiper register recall. Also, V
CC
should not reverse polarity by more than 0.5V. Recall of
wiper position will not be complete until V
CC
, V+ and V-
reach their final value.
EQUIVALENT A.C. LOAD CIRCUIT
5V
1533
100pF
SDA Output
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