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X9420WS 数据表(PDF) 11 Page - Intersil Corporation

部件名 X9420WS
功能描述  Single Digitally Controlled (XDCP) Potentiometer
PDF  20 Pages
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制造商  INTERSIL [Intersil Corporation]
网页  http://www.intersil.com/cda/home
标志 INTERSIL - Intersil Corporation

X9420WS 数据表(HTML) 11 Page - Intersil Corporation

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11
FN8195.0
March 7, 2005
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 VCC, then V+ and V-, and then the potentiometer pins, RH, RL,
and RW. Voltage should not be applied to the potentiometer pins before V+ or V- is applied. The VCC ramp rate
specification should be met, and any glitches or slope changes in the VCC line should be held to <100mV if possible.
If VCC 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, VCC should not reverse polarity by more than 0.5V. Recall of wiper position will not
be complete until VCC, V+ and V- reach their final value.
Notes: (5) This parameter is periodically sampled and not 100% tested.
(6) tPUR and tPUW are the delays required from the time the third (last) power supply (VCC, V+ or V-) is stable until the specific instruction
can be issued. These parameters are periodically sampled and not 100% tested.
Symbol
Parameter
Limits
Test Conditions
Min.
Typ.
Max.
Units
ICC1
VCC Supply Current (Active)
400
µA
fSCK = 2MHz, SO = Open,
Other Inputs = VSS
ICC2
VCC Supply Current
(Non-volatile Write)
1mA
fSCK = 2MHz, SO = Open,
Other Inputs = VSS
ISB
VCC Current (Standby)
1
µA
SCK = SI = VSS, Addr. = VSS
ILI
Input Leakage Current
10
µAV
IN = VSS to VCC
ILO
Output Leakage Current
10
µAV
OUT = VSS to VCC
VIH
Input HIGH Voltage
VCC x 0.7
VCC + 0.5
V
VIL
Input LOW Voltage
-0.5
VCC x 0.1
V
VOL
Output LOW Voltage
0.4
V
IOL = 3mA
Parameter
Min.
Units
Minimum Endurance
100,000
Data Changes per Bit per Register
Data Retention
100
Years
Symbol
Test
Max.
Units
Test Conditions
COUT
(5)
Output Capacitance (SO)
8
pF
VOUT = 0V
CIN
(5)
Input Capacitance (A0, SI, and SCK)
6
pF
VIN = 0V
Symbol
Parameter
Max.
Max.
Units
tPUR
(6)
Power-up to Initiation of Read Operation
1
1
ms
tPUW
(6)
Power-up to Initiation of Write Operation
5
5
ms
tRVCC
VCC Power-up Ramp
0.2
50
V/msec
X9420



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