參數(shù)資料
型號: X93255
廠商: Intersil Corporation
元件分類: 數(shù)字電位計
英文描述: Dual Digitally Controlled Potentiometers
中文描述: 雙數(shù)控電位器
文件頁數(shù): 5/8頁
文件大?。?/td> 183K
代理商: X93255
5
FN8187.0
March 4, 2005
A.C. OPERATING CHARACTERISTICS
(Over recommended operating conditions unless otherwise specified. In the
table, CS, INC, U/D, R
H
and R
L
are used to refer to either CS
1
or CS
2
, etc.)
POWER-UP AND DOWN REQUIREMENTS
There are no restrictions on the power-up or power-down conditions of V
CC
and the voltages applied to the potentiometer
pins provided that V
CC
is always more positive than or equal to V
H
and V
L
, i.e., V
CC
V
H,
V
L
. The V
CC
ramp rate spec is
always in effect.
A.C. TIMING
(In the table, CS, INC, U/D, R
H
and R
L
are used to refer to either CS
1
or CS
2
, etc.)
Symbol
t
Cl
t
lD
t
DI
t
lL
t
lH
t
lC
t
CPH
t
CPH
t
CYC
t
R
,
t
F(6)
t
R
V
CC(6)
t
WR
Parameter
Limits
Typ.
(6)
Unit
ns
ns
ns
μs
μs
μs
ns
ms
μs
μs
V/ms
ms
Min.
100
100
100
1
1
1
250
10
2
Max.
CS to INC setup
INC HIGH to U/D change
U/D to INC setup
INC LOW period
INC HIGH period
INC Inactive to CS inactive
CS Deselect time (NO STORE)
CS Deselect time (STORE)
INC cycle time
INC input rise and fall time
500
10,000
10
V
CC
power-up rate
Store cycle
1
5
CS
INC
U/D
t
CI
t
IL
t
IH
t
CYC
t
ID
t
DI
t
IC
t
CPH
t
F
t
R
10%
90%
90%
(Store)
X93255
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